Part 3, up to fault code 18171 / P1763
Part 3, up to fault code 18171 / P1763
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17110 P0726
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Fault in engine speed sender -G28 diagnosed by engine control unit Excessive engine speed detected (engine over-revved)
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- Read measured value block , Display Group Number 001 1) Read out engine control unit fault memory and eliminate faults => Refer to Engine Workshop Manual; Repair Group 01; Self-diagnosis
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Speed signal from engine control unit
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Incorrect or defective engine control unit
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- Check identification of engine control unit => Refer to Engine Workshop Manual; Repair Group 01; Self-diagnosis Replace engine control unit if necessary
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Implausible signal
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Incorrect or defective gearbox control unit
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- Check identification of gearbox control unit
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1) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Note on fault code 17110 / P0726:
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◆ Engine speed signal is transmitted from engine control unit via CAN bus wire to gearbox control unit.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17114 P0730
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ATF level not OK or ATF contaminated
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- Check ATF level
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Gear/ratio monitoring
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Clutch slipping/defective or solenoid valve dirty/defective
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- Perform final control diagnosis
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Open circuit in wiring or short to earth/positive
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- Use current flow diagram to check wiring and connectors Perform Electrical Check
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Wrong ratio
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Refer to next page for notes and footnotes on fault code 17114 / P0730.
Notes on fault recognition for fault code 17114 / P0730:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
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◆ When testing stall speed, gearbox input speed in torque converter with vehicle stationary and gear engaged must be virtually zero. If this is not the case, this fault will also be displayed due to the possibility of clutch damage (Reading measured value block ; Display group number 001).
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17115 P0731
1. Gear
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Clutch for this gear slipping/defective or solenoid valve for this gear dirty/defective
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- Perform final control diagnosis
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Wrong ratio
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Notes on fault recognition for fault code 17115 / P0731:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17116 P0732
2. Gear
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Clutch for this gear slipping/defective or solenoid valve for this gear dirty/defective
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- Perform final control diagnosis
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Wrong ratio
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Notes on fault recognition for fault code 17116 / P0732:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17117 P0733
3. Gear
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Clutch for this gear slipping/defective or solenoid valve for this gear dirty/defective
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- Perform final control diagnosis
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Wrong ratio
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Notes on fault recognition for fault code 17117 / P0733:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17118 P0734
4. Gear
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Clutch for this gear slipping/defective or solenoid valve for this gear dirty/defective
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- Perform final control diagnosis
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Wrong ratio
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Notes on fault recognition for fault code 17118 / P0734:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17119 P0735
5. Gear
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Clutch for this gear slipping/defective or solenoid valve for this gear dirty/defective
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- Perform final control diagnosis
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Wrong ratio
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Gearbox output speed sender -G195 defective
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- Perform fault rectification as per fault code 17105 / P0721 or 17106 / P0722
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Gearbox input speed sender -G182 defective
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- Perform fault rectification as per fault code 17100 / P0716 or 17101 / P0717
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Incorrect gearbox control unit fitted or wrongly encoded
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- Check identification of gearbox control unit
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Notes on fault recognition for fault code 17119 / P0735:
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◆ Gearbox control-unit gear monitoring checks transmission ratios by comparing gearbox input and gearbox output speeds with allowance for gear engaged in each case. This fault is displayed if an impermissible gear ratio (implausibility) is detected.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17125 P0741
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ATF level not OK Defective or incorrect torque converter
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- Check ATF level
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Lock-up clutch coupling
No power transmission
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Mechanical fault in pressure control valve 4 -N218 1) Problems with ATF supply to pressure control valve 4 -N218 1)
Torque converter pressure valve defective Torque converter clutch valve defective
Continued ▼
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- Read measured value block =>Page
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1) Pressure control valve 4 -N218 is also referred to as solenoid valve 7 -N94.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17125 P0741
Lock-up clutch coupling
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(Fault 17125 / P0741 continued) Torque converter lock-up clutch defective, worn
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No power transmission
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Fault in electrical actuation of pressure control valve 4 -N218 1)
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- Perform fault rectification as per fault code 18237 or 18238
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1) Pressure control valve 4 -N218 is also referred to as solenoid valve 7 -N94.
Notes on fault recognition for fault code 17125 / P0741:
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◆ Ratio of gearbox input speed (-G182) to engine speed with torque converter clutch engaged is not appropriate (implausible).
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17135 P0751
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Open circuit in wiring or short to earth
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 1=>Solenoid 1-N88
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Solenoid valve 1 -N88 defective
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- Read measured value block , Display Group Number 005 2)
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Open circuit/short to earth
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- Perform final control diagnosis
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17136 P0752
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Short to positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 1=>Solenoid 1-N88
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Solenoid valve 1 -N88 defective
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- Read measured value block , Display Group Number 005 2)
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Short to positive
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- Perform final control diagnosis
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Refer to next page for notes and footnotes on fault codes 17135 / P0751 and 17136 / P0752.
1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault detection for fault codes 17135 / P0751 and 17136 / P0752
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◆ Check for short to positive is made on switching on ignition. All types of fault are recognised when engine is running.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17137 P0753
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Open circuit in wiring or short to earth/positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 1=>Solenoid 1-N88
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Solenoid valve 1 -N88 defective
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- Read measured value block , Display Group Number 005 2)
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Electrical fault in current circuit
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- Perform final control diagnosis
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1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17140 P0756
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Open circuit in wiring or short to earth
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 2 =>Solenoid 2-N89
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Solenoid valve 2 -N89 defective
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- Read measured value block , Display Group Number 005 2)
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Open circuit/short to earth
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- Perform final control diagnosis
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17141 P0757
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Short to positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 2 =>Solenoid 2-N89
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Solenoid valve 2 -N89 defective
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- Read measured value block , Display Group Number 005 2)
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Short to positive
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- Perform final control diagnosis
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Refer to next page for notes and footnotes on fault codes 17140 / P0756 and 17141 / P0757.
1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17142 P0758
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Open circuit in wiring or short to earth/positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 2=>Solenoid 2-N89
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Solenoid valve 2 -N89 defective
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- Read measured value block , Display Group Number 005 2)
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Electrical fault in current circuit
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- Perform final control diagnosis
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1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17145 P0761
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Open circuit in wiring or short to earth
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 3 =>Solenoid 3-N90
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Solenoid valve 3 -N90 defective
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- Read measured value block , Display Group Number 005 2)
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Open circuit/short to earth
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- Perform final control diagnosis
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17146 P0762
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Short to positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 3 =>Solenoid 3-N90
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Solenoid valve 3 -N90 defective
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- Read measured value block , Display Group Number 005 2)
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Short to positive
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- Perform final control diagnosis
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Refer to next page for notes and footnotes on fault codes 17145 / P0761 and 17146 / P0762.
1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17147 P0763
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Open circuit in wiring or short to earth/positive
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- Use current flow diagram to check wiring and connectors 1)
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Switch valve 3=>Solenoid 3-N90
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Solenoid valve 3 -N90 defective
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- Read measured value block , Display Group Number 005 2)
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Electrical fault in current circuit
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- Perform final control diagnosis
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1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults affecting solenoid valves are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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17968 P1560
Maximum engine revs surpassed
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Fault in signal from engine speed sender to engine control unit Engine speed sender -G28 defective Engine speed signal being biased by incorrectly laid wiring (e.g. service installation of telephone)
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- Read measured value block ; Display Group Number 001 1) Read out engine control unit fault memory and eliminate faults => Refer to Engine Workshop Manual; Repair Group 01; Self-diagnosis
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Impermissible change-down by gearbox (e.g due to mechanical fault in valve body)
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- Read measured value block, Display group numbers 005 =>Page
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1) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Note on fault code 17968 / P1560:
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◆ Fault detection condition: Engine speed greater than 7400 rpm
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18112 P1704
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Short to earth between -F8 and gearbox control unit
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- Use current flow diagram to check wiring and connectors
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Kickdown switch -F8
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Open circuit in wiring between -F8 and gearbox control unit
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- Read measured value block ; Display Group Number 008 2)
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Electrical fault in current circuit
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Kickdown switch -F8 1) defective
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- Perform Electrical Check
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1) Kickdown switch -F8 is integrated into accelerator position sender -G79.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault code 18112 / P1704:
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◆ Fault detection conditions: Throttle valve signal OK, throttle valve value less than 25 % and short to earth in kickdown input at gearbox control unit(corresponds to kickdown signal) or short to positive; engine must be running.
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◆ This fault may be erroneously displayed if brake pedal is pressed and accelerator is pressed as far as kickdown (full throttle) at the same time although kickdown switch is OK.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18141 P1733
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Short to earth in Tiptronic switch -F189 1)
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- Read measured value block ; Display Group Number 011 4)
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Tiptronic switch, back -F189
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Short to earth in wiring
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- Perform Electrical Check
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Short to earth
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Tiptronic switch -F189 2) defective Magnet in masking panel of shift mechanism has worked loose 3)
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- Replace symbol panel 2) or masking panel 3) of shift mechanism
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Refer to next page for notes and footnotes on fault code 18141 / P1733.
1) When selector lever is in Tiptronic gate, manual change-down can be implemented by tapping selector lever to rear (-) or - on vehicles with Tiptronic sports steering wheel - by pressing one of the minus (-) buttons on the steering wheel (change-down position).
2) Tiptronic switch -F189 incorporates detection switch, change-up position and change-down position. It is permanently installed in the printed circuit board of the symbol panel, i.e. symbol panel must be replaced if Tiptronic switch -F189 is defective.
3) Tiptronic switch -F189 receives information on Tiptronic gate recognition and Tiptronic change-up/change-down by way of the large magnet attached to the transverse slide of the masking panel. Masking panel must be replaced if magnet has worked loose.
4) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Note on fault recognition for fault code 18141 / P1733:
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◆ Fault is displayed if switching of change-down position 1) is detected in selector lever position other than D.
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◆ This fault can only be displayed on vehicles with Tiptronic shift mechanism.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18147 P1739
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Short to earth in Tiptronic switch -F189 1)
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- Read measured value block ; Display Group Number 011 4)
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Tiptronic switch, up -F189
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Short to earth in wiring
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- Perform Electrical Check
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Short to earth
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Tiptronic switch -F189 2) defective Magnet in masking panel of shift mechanism has worked loose 3)
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- Replace symbol panel 2) or masking panel 3) of shift mechanism
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Refer to next page for notes and footnotes on fault code 18147 / P1739.
1) When selector lever is in Tiptronic gate, manual change-up can be implemented by tapping selector lever forwards (+) or -on vehicles with Tiptronic sports steering wheel - by pressing one of the plus (+) buttons on the steering wheel (change-up position).
2) Tiptronic switch -F189 incorporates detection switch, change-up position and change-down position. It is permanently installed in the printed circuit board of the symbol panel, i.e. symbol panel must be replaced if Tiptronic switch -F189 is defective.
3) Tiptronic switch -F189 receives information on Tiptronic gate recognition and Tiptronic change-up/change-down by way of the large magnet attached to the transverse slide of the masking panel. Masking panel must be replaced if magnet has worked loose.
4) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault recognition for fault code 18147 / P1739:
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◆ Fault is displayed if switching of change-up position 1) is detected in selector lever position other than D.
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◆ This fault can only be displayed on vehicles with Tiptronic shift mechanism.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18152 P1744
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Short to earth in Tiptronic switch -F189 1)
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- Read measured value block ; Display Group Number 011 4)
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Tiptronic switch, recognition -F189
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Short to earth in wiring
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- Perform Electrical Check
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Short to earth
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Tiptronic switch -F189 2) defective Magnet in masking panel of shift mechanism has worked loose 3)
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- Replace symbol panel 2) or masking panel 3) of shift mechanism
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Refer to next page for notes and footnotes on fault code 18152 / P1744.
1) Shifting into Tiptronic gate in selector lever position D is recognised by the Tiptronic switch -F189 and transmitted to gearbox control unit.
2) Tiptronic switch -F189 incorporates detection switch, change-up position and change-down position. It is permanently installed in the printed circuit board of the symbol panel, i.e. symbol panel must be replaced if Tiptronic switch -F189 is defective.
3) Tiptronic switch -F189 receives information on Tiptronic gate recognition and Tiptronic change-up/change-down by way of the large magnet attached to the transverse slide of the masking panel. Masking panel must be replaced if magnet has worked loose.
4) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault recognition for fault code 18152 / P1744:
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◆ Fault is displayed if Tiptronic is recognised although selector lever is not in Tiptronic gate.
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◆ This fault can only be displayed on vehicles with Tiptronic shift mechanism.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18153 P1745
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Short to positive in contacts 52, 53 of automatic gearbox control unit -J217
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- Check supply voltage to control unit -J217 by reading measured value block ; Display group number 003 2)
|
Supply voltage for solenoid
|
|
Automatic gearbox control unit -J217 defective
|
- Use current flow diagram to check wiring and connectors 1)
|
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Short to positive
|
|
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- Perform Electrical Check
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1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
|
18155 P1747
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Open circuit in wiring or short to earth in contacts 52, 53 of automatic gearbox control unit -J217
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- Check supply voltage to control unit -J217 by reading measured value block ; Display group number 003 2)
|
Supply voltage for solenoid
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Automatic gearbox control unit -J217 defective
|
- Check supply voltage to control unit -J217 Use current flow diagram to check wiring and connectors 1)
|
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Open circuit/short to earth
|
|
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- Perform Electrical Check
|
1) Start by checking connectors for contact corrosion or ingress of water and replace if necessary. Particular attention is to be paid to 16-pin connector at gearbox between valve body and wiring harness if faults are displayed.
2) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
|
18156 P1748
|
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|
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Control unit defective
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Automatic gearbox control unit -J217 defective
|
- Replace control unit
|
Notes on fault codes 18156 / P1748:
Establish possible cause of trouble and eliminate the following faults:
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◆ Mechanical faults
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◆ Hydraulic faults
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◆ Electr./electronic components and wiring
Display on VAS 5051
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Possible cause of trouble
|
Fault remedy
|
18157 P1749
|
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Control unit for automatic gearbox
|
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Gearbox control unit detects invalid code
|
- Check identification of gearbox control unit
|
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Wrong coding
|
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Engine control unit incorrectly encoded or incorrect engine control unit fitted
|
- Check identification of engine control unit => Refer to Engine Workshop Manual; Repair Group 01; Self-diagnosis Replace engine control unit if necessary
|
Display on VAS 5051
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Possible cause of trouble
|
Fault remedy
|
18158 P1750
|
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Open circuit in wiring or short to earth
|
- Use current flow diagram to check wiring and connectors
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Voltage supply
|
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- Check supply voltage to control unit -J217
|
|
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Battery monitoring detects fault
|
- Read measured value block ; Display Group Number 003 1)
|
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Voltage too low
|
|
Open circuit/short to permanent positive in gearbox control unit
|
- Perform Electrical Check
|
1) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault code 18158 / P1750:
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◆ Fault detection condition: Battery voltage less than/equal to 9 V => Gearbox switches to emergency running mode => Page 01-3.
-
◆ Failure of electrical system voltage (terminal 30) results in loss of application values, i.e. gearbox control unit has to learn these values again on restarting. Gearshift quality may be poorer than usual during this "re-learning" process.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
|
18159 P1751
|
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Supply voltage for automatic gearbox control unit -J217 greater than 16 V
|
- Use current flow diagram to check wiring and connectors
|
Voltage supply
|
|
Voltage regulator -C1 for alternator defective Second battery inadvertently connected in series e.g. on external starting
|
- Check supply voltage to control unit -J217 Read measured value block
|
|
Voltage too high
|
|
|
- Check and, if necessary, replace voltage regulator -C1 for alternator
|
1) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault code 18159 / P1751:
-
◆ Fault detection condition: Battery voltage greater than 16 V.
-
◆ Battery monitoring makes a distinction between four ranges: (U = battery voltage) 1. U < 7 V => Gearbox switches to emergency running mode => Page 01-3
Display on VAS 5051
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Possible cause of trouble
|
Fault remedy
|
18160 P1752
|
|
Supply voltage for automatic gearbox control unit -J217 subject to major fluctuations/interrupted
|
- Use current flow diagram to check wiring and connectors Check supply voltage to control unit -J217
|
Voltage supply
|
|
Voltage regulator -C1 for alternator defective
|
- Read measured value block
|
|
Implausible signal
|
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- Check and, if necessary, replace voltage regulator -C1 for alternator
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1) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Notes on fault code 18160 / P1752:
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◆ Fault detection condition: Battery voltage less than/equal to 9 V => Gearbox switches to emergency running mode
=> Page 01-3.
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◆ Failure of electrical system voltage (terminal 30) results in loss of application values, i.e. gearbox control unit has to learn these values again on restarting. Gearshift quality may be poorer than usual during this "re-learning" process.
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18169 P1761
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Short to earth 3)
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- Use current flow diagram to check wiring and connectors
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Select. lev. lock=>solenoid -N110 1)
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Solenoid -N110 not being supplied with power Fuse defective
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- Read measured value block , Display Group Number 003 4)
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Short to earth
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Selector lever lock solenoid -N110 defective
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- Perform Electrical Check =>Page
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Short circuit on shift mechanism printed circuit board
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- Replace shift mechanism symbol panel if necessary 2)
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Automatic gearbox control unit -J217 defective
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- If necessary, replace control unit -J217 => Page 01-6
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Refer to next page for notes and footnotes on fault code 18169 / P1761.
1) Selector lever lock=>solenoid -N110 is also referred to as selector lever lock solenoid -N110.
2) Printed circuit board is permanently installed in symbol panel, i.e. symbol panel must be replaced if printed circuit board is defective.
3) Selector lever lock solenoid -N110 cannot be deactivated, i.e. selector lever cannot be moved out of positions P or D even by pressing brake pedal.
4) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18170 P1762
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Short to positive 3)
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- Use current flow diagram to check wiring and connectors
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Select. lev. lock=>solenoid -N110 1)
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Selector lever lock solenoid -N110 defective
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- Read measured value block , Display Group Number 003 4)
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Short to positive
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- Perform Electrical Check =>Page
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Short circuit on shift mechanism printed circuit board
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- Replace shift mechanism symbol panel2)
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Automatic gearbox control unit -J217 defective
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- If necessary, replace control unit -J217 => Page 01-6
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Refer to next page for notes and footnotes on fault code 18170 / P1762.
1) Selector lever lock=>solenoid -N110 is also referred to as selector lever lock solenoid -N110.
2) Printed circuit board is permanently installed in symbol panel, i.e. symbol panel must be replaced if printed circuit board is defective.
3) Selector lever lock solenoid -N110 cannot be activated in selector lever positions P and N, i.e. it is possible to shift out of P and N without pressing brake pedal.
4) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
Display on VAS 5051
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Possible cause of trouble
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Fault remedy
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18171 P1763
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Open circuit in wiring to selector lever lock solenoid -N110 2)
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- Use current flow diagram to check wiring and connectors
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Select. lev. lock=>solenoid -N110 1)
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Selector lever lock solenoid -N110 defective
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- Read measured value block , Display Group Number 003 3)
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Open circuit
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- Perform Electrical Check =>Page
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Automatic gearbox control unit -J217 defective
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- If necessary, replace control unit -J217 => Page 01-6
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1) Selector lever lock=>solenoid -N110 is also referred to as selector lever lock solenoid -N110.
2) Selector lever lock solenoid -N110 cannot be activated in selector lever positions P and N, i.e. it is possible to shift out of P and N without pressing brake pedal.
3) When selecting measured value block, note type of gearbox hydraulic control system. For a more detailed description, refer to Page 01-194 onwards => under "Reading measured value block".
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