SEAT Workshop Service and Repair Manuals

Fault table, fault indexes 00668...65280 t  The fault table is ordered according to the 5 digit fault indexes appearing on the left. t  Explanations on the types of fault (e.g.: “Interruption/short circuit to ground”) → Instructions of use of fault reader. t  If faulty components are indicated: First check the cables and connectors to the components, and the system ground cables, against the current circuit diagram. This is particularly valid when the faults are indicated as “sporadic” (SP). t  After eliminating existing faults, the fault memory must be cleared. Message given by the -V.A.G 1551- printer, for instance: 16502 P0118 035 Coolant temperature transmitter -G62- Very high signal Sporadic fault Explanation t  16502 = fault index t  P0118 = supplementary index (currently only for USA) t  035 = number representing the type of fault t  Coolant temperature transmitter -G62- = faulty current track or component with fault t  Very high signal = text indicating the type of fault t  Sporadic fault = the fault does not always appear, for example: a loose contact

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
00668 On board voltage junction 30 Signal not plausible	t  Relay for supply of voltage junction -J317- faulty t  Stuck relay (sporadically)	t  The engine does not start t  Faults in the Running behaviour and even with the engine not Running	–  Check the voltage supply to the control unit of the diesel direct injection system → Chapter
00741 Watching the brake pedal Signal not plausible	t  Brake light switch -F- faulty t  Brake pedal switch -F47- faulty	t  The preheating warning light -K29- blinks t  Fault brake light	–  Check the signals from -F- and -F47- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
01044 Control unit, incorrect coding	t  Control unit coding not valid	t  The preheating warning light -K29- blinks	–  Code the control unit → Chapter
01117 Charge signal for DF alternator junction Signal not plausible	t  Faulty alternator t  Faulty voltage regulator t  Cable break	t  Engine preheating does not work t  Engine preheating does not work	–  Check the alternator → Current flow diagrams, Electrical fault finding and Fitting locations

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
01193 Relay for low calorific power -J359- Break/short circuit to ground	t  Cable break t  Short circuit to ground t  Relay for low calorific power -J359- faulty	t  Engine preheating does not work	–  Check -J359- → Chapter, actuator diagnosis
01194 Relay for high calorific power -J360- Break/short circuit to ground	t  Cable break t  Short circuit to ground t  Relay for high calorific power -J360- faulty	t  Engine preheating does not work	–  Check -J360- → Chapter, actuator diagnosis

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
01283 Motor for inlet manifold plate -V157- Break/short circuit to ground	t  Cable break t  Motor for inlet manifold plate -V157- faulty	t  There is no exhaust recirculation, valve entirely open	–  Check -V157- → Chapter
Short circuit to positive	t  Short circuit to positive
There is no signal	t  State cable faulty	t  There is no exhaust recirculation, valve entirely open	–  Check the cable harness → Current flow diagrams, Electrical fault finding and Fitting locations
Faulty	t  Regulierungsklappe faulty	t  There is no exhaust recirculation, valve entirely open	–  Check -V157- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
16500 P0116 Coolant temperature transmitter -G62- Signal not plausible	t  Coolant temperature transmitter -G62- faulty t  Thermostat faulty	t  Black smoke when starting t  There is always preheating for some 20 seconds	t  Check -G62- → Chapter t  Check the thermostat → Rep. Gr.19

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
16705 P0321 Engine speed transmitter -G28- Signal not plausible	t  Engine speed transmitter -G28- faulty t  Excessive distance between speed transitter and generator wheel t  Metal chips in transmitter -G28- or loose base	t  The engine does not start t  The engine stops t  The preheating warning light -K29- blinks t  No indication on the tachometer	–  Check -G28- → Chapter
16706 P0322 Engine speed transmitter -G28- No signal	t  Break in cable or short circuit t  Engine speed transmitter -G28- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
16885 P0501 Vehicle speed signal Signal not plausible	t  No signal in speedometer transmitter -G22- t  Instrument panel faulty	t  The speedometer does not work correctly t  The vehicle shakes when the gear is changed t  The air conditioning turns off	t  Check the speed signal → Chapter
16989 P0605 Control unit -J248- faulty	t  Control unit -J248- with internal fault	t  Faults in the Running behaviour t  The engine stops t  The preheating warning light -K29- blinks	–  Replace -J248- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17568 P1160 Temperature transmitter of the inlet manifold -G72- Short circuit to ground	t  Short circuit to ground t  Temperature transmitter of the inlet manifold -G72- faulty	t  Exceeding the pre-set value of 136,8 °C t  The engine preheating does not work	–  Check -G72- → Chapter
17569 P1161 Temperature transmitter of the inlet manifold -G72- Break/Short circuit to positive	t  Cable break t  Short circuit to positive t  Temperature transmitter of the inlet manifold -G72- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17570 P1162 Fuel temperature transmitter -G81- Short circuit to ground	t  Short circuit to ground t  Fuel temperature transmitter -G81- faulty	t  Exceeding the pre-set value of -5,4 °C t  High emisions	–  Check -G81- → Chapter
17571 P1163 Fuel temperature transmitter -G81- Break/Short circuit to positive	t  Cable break t  Short circuit to positive t  Fuel temperature transmitter -G81- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17653 P1245 Needle stroke transmitter -G80- Short circuit to ground	t  Short circuit to ground t  Needle stroke transmitter -G80- faulty	t  The preheating warning light -K29- blinks t  Hard engine Running t  Reduced power t  High emissions	–  Check -G80- → Chapter
17654 P1246 Needle stroke transmitter -G80- Signal not plausible	t  Lack of fuel t  Air in fuel system t  Injection pipe to injector, with needle stroke transmitter, incorrect t  Needle stroke transmitter -G80- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17655 P1247 Needle stroke transmitter -G80- Break/Short circuit to positive	t  Cable break t  Short circuit to positive t  Needle stroke transmitter -G80- faulty	t  The preheating warning light -K29- blinks t  Hard engine Running t  Reduced power t  High emisions	–  Check -G80- → Chapter
17656 P1248 Injection start regulation Regulation difference	t  Empty fuel tank t  Incorrect fuel supply; lack of fuel t  Incorrect supply start t  Valve for starting injection -N108- faulty t  Needle stroke transmitter -G80- faulty	t  Hard engine Running t  Reduced power t  High emisions t  Poor behaviour on cold starts	–  Fuel filter or pipe obstructed –  Check and dynamically adjust the start of the injection → Chapter –  Check -N108- → Chapter, actuator diagnosis –  Check -G80- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17659 P1251 Injection start valve -N108- Short circuit to positive	t  Short circuit to positive t  Injection start valve -N108- faulty	t  Engine pinking when idling because the injection start is always “advanced”	–  Check -N108- → Chapter, actuator diagnosis
17660 P1252 Injection start valve -N108- Break/short circuit to ground	t  Cable break t  Injection start valve -N108- faulty	t  Engine pinking when idling because the injection start is always “advanced”	–  Check -N108- → Chapter, actuator diagnosis
	t  Short circuit to ground	t  Lack of power because the injection start is constantly “retarded”

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17663 P1255 Coolant temperature transmitter -G62- Short circuit to ground	t  Short circuit to ground t  Coolant temperature transmitter -G62- faulty	t  Black smoke when starting t  There is always preheating for some 20 seconds t  Engine preheating does not work	–  Check -G62- → Chapter
17664 P1256 Coolant temperature transmitter -G62- Break/Short circuit to positive	t  Cable break t  Short circuit to positive t  Coolant temperature transmitter -G62- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17762 P1354 Stroke transmitter of the regulating slide -G149- Fault in the electric circuit	t  Injection pump faulty t  Break in cable or short circuit	t  The preheating warning light -K29- blinks t  Faults in the Running behaviour t  Engine stopped	–  Check -G149- → Chapter
17795 P1387 Stroke transmitter of the regulating slide -G149- Control unit faulty	t  Control unit -J248- with internal fault	t  Faults in the Running behaviour t  The engine stops	–  Replace -J248- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17810 P1402 Valve for exhaust gas recirculation -N18- Short circuit to positive	t  Short circuit to positive	t  There is no exhaust gas recirculation	–  Check -N18- → Chapter, actuator diagnosis
17849 P1441 Valve for exhaust gas recirculation -N18- Break/short circuit to ground	t  Cable break t  Valve for exhaust gas recirculation -N18- faulty	t  There is no exhaust gas recirculation
	t  Short circuit to ground	t  Excessive exhaust gas recirculation t  Reduced power, black smoke

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17911 P1503 Charge signal of the DF alternator junction Signal not plausible	t  Generator faulty t  Voltage regulator faulty t  Cable break	t  The engine preheating does not work	–  Check the alternator → Current flow diagrams, Electrical fault finding and Fitting locations
17945 P1537 Fuel cut valve -N109- Working failure	–  Fuel cut valve -N109- faulty, not sealed or strangled	t  Reduced power t  The engine stops	–  Check -N109- → Chapter, actuator diagnosis
17946 P1538 Fuel cut valve -N109- Break/short circuit to ground	t  Cable break t  Short circuit to ground t  Kraftstoffabschaltventil -N109- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17948 P1540 Vehicle speed signal Very high signal	t  Instrument panel faulty	t  The speedometer does not work correctly t  The vehicle shakes when changing gear t  The air conditioning turns off	–  Check the speed signal → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17969 P1561 Doser -N146- Regulation difference	t  Break in cable or short circuit t  Injection pump faulty	t  The preheating warning light -K29- blinks t  Faults in the Running behaviour t  The engine stops	–  Check -N146- → Chapter
17970 P1562 Doser -N146- Upper limit value	t  The upper limit value was reached t  Doser -N146- faulty/blocked	t  Reduced power t  Shaking
17971 P1563 Doser -N146- Lower limit value	t  The lower limit value was reached t  Doser -N146- faulty/blocked	t  Black smokes t  Uneven idling

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
17978 P1570 Engine control unit, blocked	t  Attempted start with unauthorised key t  Undue attempted manipulation t  Short circuit in the communication cable t  Incorrect coding t  Fault in the immobiliser system t  Immobiliser control unit, fault t  The engine control unit was changed and did not adapt to the immobiliser	t  The engine starts briefly and then stops again t  The preheating warning light -K29- blinks	–  Adap the control unit to the electronic immobiliser → Chapter –  Checking the electronic immobiliser → Rep. Gr.96

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18008 P1600 Voltage supply to junction 15 Insufficient voltage	t  There is no voltage when the ignition is on (junction 15)	t  Faults in Running behaviour and even engine stopped	–  Check the voltage supply to the control unit of the diesel direct injection system → Chapter
18009 P1601 Voltage supply relay - junction 30 -J317- Signal not plausible	t  Voltage supply relay 30 -J317- faulty t  Stuck relay (sporadically)	t  The engine does not start t  Faults in Running behaviour and even engine stopped	–  Check the voltage supply to the control unit of the diesel direct injection system → Chapter
18020 P1612 Engine control unit Incorrect coding	t  Control unit coding not valid	t  The preheating warning light -K29- blinks	–  Code the control unit → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18024 P1616 Preheating time warning light -K29- Short circuit to positive	t  Short circuit to positive	t  Preheating time warning light -K29- does not work	–  Check the preheating time warning light -K29- → Current flow diagrams, Electrical fault finding and Fitting locations
18025 P1617 Preheating time warning light -K29- Break/short circuit	t  Cable break t  Lamp faulty	t  Preheating time warning light -K29- does not work
	t  Short circuit to ground	t  Preheating time warning light -K29- always alight

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18026 P1618 Relay for glow plugs -J52- Short circuit to positive	t  Short circuit to positive t  Relay for glow plugs -J52- faulty	t  Preheating system does not work t  Poor behaviour in cold start t  The preheating warning light -K29- blinks	–  Check -J52- → Chapter, actuator diagnosis
18027 P1619 Relay for glow plugs -J52- Break/short circuit to ground	t  Cable break t  Short circuit to ground t  Relais für Glühkerzen -J52- faulty

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18039 P1631 Accelerator pedal position transmitter -G79- Very high signal	t  Accelerator pedal position transmitter -G79- faulty	t  The preheating warning light -K29- blinks t  Idle speed slightly high	–  Check and adjust -G79- → Rep. Gr.20
18040 P1632 Accelerator pedal position transmitter -G79- Supply voltage	t  Break in cable or short circuit t  Excessive or insufficient service voltage

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18047 P1639 Accelerator pedal position 1/2 transmitter -G79- + -G185- Signal not plausible	t  Break in cable or short circuit t  Accelerator pedal position transmitter -G79- faulty	t  The preheating warning light -K29- blinks t  Idle speed slightly high	–  Check and adjust -G79- → Rep. Gr.20
18048 P1640 Control unit -J248- faulty	t  Control unit -J248- with internal fault	t  Faults in the Running behaviour t  The engine stops t  The preheating warning light -K29- blinks	–  Replace -J248- → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18057 P1649 Power unit data bus Lack of message from the CU of the ABS	t  Fault in the data cable to the ABS control unit t  Fault in the system: ABS (lacking control unit of the ABS, control unit of the ABS with incorrect coding)	t  Without dynamic Running regulation t  The ASR does not work t  The MSR does not work	–  Check data bus → Current flow diagrams, Electrical fault finding and Fitting locations –  Check the control unit of the ABS → Rep. Gr.01

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
18065 P1657 Air conditioning inlet/outlet Short circuit to positive	t  Short circuit to positive	t  Lower acceleration of the vehicle with air conditioning on	–  Check the intervention of the air conditioning compressor → Chapter, actuator diagnosis
18262 P1854 Faulty power unit data bus	t  Fault in cables transmitting data to the control unit of the ABS	t  Without dynamic Running regulation t  The ASR does not work t  The MSR does not work	–  Check the final resistance for the bus → Chapter

Message given by the -V.A.G 1551- printer	Possible cause of the fault	Possible repercussions	Fault elimination
19459 P3003 Relay for low calorific power -J359- Short circuit to positive	t  Cable break t  Cable with short circuit to positive t  Relay for low calorific power -J359- faulty	t  Engine preheating does not work	–  Check -J359- → Chapter, actuator diagnosis
19461 P3005 Relay for high calorific power -J360- Short circuit to positive	t  Cable break t  Cable with short circuit to positive t  Relay for high calorific power -J360- faulty	t  Engine preheating does not work	–  Check -J360- → Chapter, actuator diagnosis
65280 Faulty power unit data bus	t  Fault in cables transmitting data to the control unit of the ABS	t  Without dynamic Running regulation t  The ASR does not work t  The MSR does not work	–  Check the final resistance for the bus → Chapter