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Skoda Workshop Service and Repair Manuals

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Self-diagnosis IV > < Self-diagnosis III

Fabia Mk1

Fault codes 17510 ... 18097
   
Fault codes 17510 ... 18097
Readout on -V.A.G 1552-Rectifying fault
17040
Fuel consumption signal		Electrical fault in the circuit
–  Check the fuel consumption signal → Electrical System; Rep. Gr.90.
–  Checking the data BUS → Chapter.
17510
Bank 1 - probe 1, heating circuit		Short circuit to positive
–  Testing lambda probe and lambda control upstream of catalytic converter → Chapter.
17511
Bank 1 - probe 1, heating circuit		Output too low
17513
Bank 1 - probe 1, heating circuit		Short circuit to positive
17523
Bank 1 - probe 1, heating circuit		Short circuit to earth
17524
Bank 1 - probe 1, heating circuit		Open circuit
17525
Bank 1 - probe 2, heating circuit		Short circuit to earth
–  Testing lambda probe and lambda control downstream of catalytic converter → Chapter.
17526
Bank 1 - probe 2, heating circuit		Open circuit
17549
Load detection		implausible value
–  Testing the intake system for tightness (unmetered air) → Chapter.
–  Erase the fault memory and carry out test drive.
17563
Intake manifold pressure sender --G71--		Short circuit to positive
–  Check intake manifold pressure sender -G71- → Chapter.
–  Testing the intake system for tightness (unmetered air) → Chapter.
17564
Intake manifold pressure sender --G71--		Open circuit/Short-circuit to earth
17568
Intake manifold temperature sender -G72-		Short circuit to earth
–  Check intake manifold temperature sender -G72- → Chapter.
17569
Intake manifold temperature sender -G72-		Open circuit/Short circuit to positive
17579
TV drive angle sender 2 -G188		Implausible signal
–  Inspecting Throttle valve control unit -J338- → Chapter.
17580
TV drive angle sender 2 -G188		Signal too low
17581
TV drive angle sender 2 -G188		Signal too high
17584
Bank 1 lambda correction after catalyst		Regulating limit reached
–  Testing the intake system for tightness (unmetered air) → Chapter.
–  Testing lambda probe and lambda control downstream of catalytic converter → Chapter.
17621
Injector cyl. 1 -N30-		Short circuit to positive
–  Testing injection valves → Chapter.
17622
Injector cyl. 2 -N31-		Short circuit to positive
17623
Injector cyl. 3 -N32-		Short circuit to positive
17624
Injector cyl. 4 -N33-		Short circuit to positive
17633
Injector cyl. 1 -N30-		Short circuit to earth
17634
Injector cyl. 2 -N31-		Short circuit to earth
17635
Injector cyl. 3 -N32-		Short circuit to earth
17636
Injector cyl. 4 -N33-		Short circuit to earth
17645
Injector cyl. 1 -N30-		Open circuit
17646
Injector cyl. 2 -N31-		Open circuit
17647
Injector cyl. 3 -N32-		Open circuit
17648
Injector cyl. 4 -N33-		Open circuit
17658
Fuel level		too low
–  Fill up vehicle.
–  Inspecting fuel gauge sender -G- → Electrical System; Rep. Gr.90.
17743
Engine torque monitoring 2		Regulating limit exceeded
–  Test intake system for leaks → Chapter.
–  Check accelerator pedal position sender -G79- and -G185- → Chapter.
–  Inspecting throttle valve control unit -J338- → Chapter.
17744
Engine torque monitoring		Regulating limit exceeded
17746
Bank 1, camshaft pos. sensor => -G163- → Note		Open circuit/Short circuit to positive
–  Test camshaft position sensor -G163- → Chapter.

1)  The camshaft position sensor -G163- is identical to the Hall sender -G40-.
   
Readout on -V.A.G 1552-Rectifying fault
17748
Camshaft position/crankshaft position sensor		Incorrect assignment
–  Test camshaft position sensor -G163- → Chapter.
–  Check engine speed sender -G28- → Chapter.
–  Test timing → 1.0/37; 1.4/44; 1.4/50 Engine -Mechanics; Rep. Gr.15.
17764
Ignition control cyl. 1		Short circuit to positive
–  Inspecting ignition terminal → Chapter.
17765
Ignition control cyl. 1		Short circuit to earth
17767
Ignition control cyl. 2		Short circuit to positive
17768
Ignition control cyl. 2		Short circuit to earth
17794
Control unit defective		 
–  Replacing engine control unit → Chapter.
17796
Control unit defective		 
17805
Rotor for engine speed		Adaption limit reached
–  Check engine speed sender -G28- → Chapter.
–  Test flywheel → 1.0/37; 1.4/44, 1.4/50 Engine - Mechanical Components; Rep. Gr.13.
17818
Tank ventilation valve -N80-		Short circuit to positive
–  Testing solenoid valve for activated charcoal filter -N80- → Chapter.
17833
Tank vent valve -N80-		Short circuit to earth
17834
Tank vent valve -N80-		Open circuit
17909
Fuel pump relay -J17		Short circuit to earth
–  Testing fuel pump relay -J17- → Chapter.
17910
Fuel pump relay -J17		Short circuit to positive
17911
Load signal of alternator tml. DF		Implausible signal
–  Check alternator and cables to alternator → Current flow diagrams and Fitting locations
17915
Idling air system-initialisation value		bottom limit reached
–  Testing idling speed → Chapter.
–  Testing the intake system for tightness (unmetered air) → Chapter.
–  Check accelerator pedal position sender -G79- and -G185- → Chapter.
–  Inspecting throttle valve control unit -J338- → Chapter.
17916
Idling air system-initialisation value		top limit reached
17950
TV drive angle sender -G187		Implausible signal
–  Inspecting throttle valve control unit -J338- → Chapter.
17951
TV drive angle sender -G187		Signal too low
17952
TV drive angle sender -G187		Signal too high
17953
Throttle valve control		Malfunction
17966
Throttle valve drive -G186		Electrical fault in the circuit
17967
Throttle valve control unit -J338-		Incorrect basic setting
–  Adapt the engine control unit to the throttle valve control unit -J338- → Chapter.
17972
Throttle valve control unit -J338-		Undervoltage on basic setting
–  Inspecting throttle valve control unit -J338- → Chapter.
17973
Throttle valve control unit -J338-		Bottom limit not reached
–  Check throttle valve for damage or dirt.
–  Inspecting throttle valve control unit -J338- → Chapter.
17976
Throttle valve control unit -J338-		Mechanical fault
17977
CCS switch -E45-		Implausible signal
–  Testing cruise control system → Chapter.
–  Inspecting vehicle voltage control unit -J519- → Electrical System; Rep. Gr.90.
17978
Engine control unit blocked → Note		 
–  Adapt the engine control unit to the electronic immobiliser → Electrical System; Rep. Gr. 96.
–  Test electronic immobiliser → Electrical System; Rep. Gr. 96.

   
Readout on -V.A.G 1552-Rectifying fault
17987
Throttle valve control unit -J338-		Adaption not started
–  Inspect plug assignment on the throttle valve control unit -J338- → Current flow diagrams and Fitting locations.
–  Inspecting throttle valve control unit -J338- → Chapter.
18010
Voltage supply tml. 30		Voltage too low
–  Check charge state of battery → Electrical System; Rep. Gr. 27.
–  Check alternator and cables to alternator → Current flow diagrams and Fitting locations
 
18011
Control unit defective		 
–  Replacing engine control unit → Chapter.
18020
Engine control unit		Incorrectly coded
–  Code engine control unit → Chapter.
18038
Accelerator pedal position sender -G79-		Signal too low
–  Check accelerator pedal position sender -G79- → Chapter.
18039
Accelerator pedal position sender -G79-		Signal too high
18041
Accelerator pedal position sender 2 -G185-		Signal too low
–  Check accelerator pedal position sender 2 -G185- → Chapter.
18042
Accelerator pedal position sender 2 -G185-		Signal too high
18043
Databus drive		missing message from AC CU
–  Testing CAN databus line → Chapter.
–  Inspect air conditioning control unit -J301- → Heating, Air Conditioning; Rep. Gr.01.
18044
Databus drive		Missing message from airbag CU
–  Testing CAN databus line → Chapter.
–  Test airbag control unit → Body work; Rep. Gr. 01.
18045
Databus drive		missing message form electron. CU
–  Testing CAN databus line → Chapter.
–  Inspecting vehicle voltage control unit -J519- → Electrical System; Rep. Gr.90.
18047
Sender 1/2 for accelerator pedal position -G79 + G185-		Implausible signal
–  Check accelerator pedal position sender -G79- and -G185- → Chapter.
18048
Control unit defective		 
–  Replacing engine control unit → Chapter.
18056
Databus drive		defective
–  Testing CAN databus line → Chapter.
18057
Databus drive		Missing message from ABS CU
–  Testing CAN databus line → Chapter.
–  Inspecting ABS control unit - J104- → Running Gear; Rep. Gr.45.
18058
Databus drive		Missing message from combiinstrument
–  Testing CAN databus line → Chapter.
–  Test dash panel insert → Electrical System; Rep. Gr. 90.
18088
Non-resetable emergency running mode active		 
–  Inspecting throttle valve control unit -J338- → Chapter.
–  Check accelerator pedal position sender -G79- and -G185- → Chapter.
18097
Databus drive		Implausible signal from electron. CU
–  Testing CAN databus line → Chapter.
–  Inspecting vehicle voltage control unit -J519- → Electrical System; Rep. Gr.90.

2)  When attempting to start with a non-adapted key a static fault is stored in the memory. If a subsequent start attempt occurs with an adpated key the fault is changed to a sporadic fault.
3)  The immobilizer control unit is a component part of the dash panel insert and therefore must not be replaced individually.
   

Self-diagnosis IV > < Self-diagnosis III