audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Final control diagnosis > < Fault table: from V.A.G code 16486 / SAE P0 codes
MM-MPI injection and ignition system (4-cylinder)
Fault table: from V.A.G code 17510 / SAE P1 codes
Fault table: from V.A.G code 17510 / SAE P1 codes

Notes:

  • ◆ The fault code overview is listed according to SAE or V.A.G code.
  • ◆ Erase fault memory after rectifying fault .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1102

17510

Bank 1, probe 1 heating current circuit short to positive1)

- Check Lambda probe heating before catalytic converter

P1105

17513

Bank 1, probe 2 heating current circuit short to positive1)

- Check Lambda probe heating after catalytic converter
=> Page 24-37

P1115

17523

Bank 1, probe 1 heating current circuit short to earth1)

- Check Lambda probe heating before catalytic converter
=> Page 24-31

P1116

17524

Bank 1, probe 1 heating current circuit open circuit1)


P1117

17525

Bank1, probe 2 heating current circuit short to earth1)

- Check Lambda probe heating after catalytic converter
=> Page 24-37

P1118

17526

Bank 1, probe 2 heating current circuit open circuit1)


1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1151

17559

Bank1, mixture adaption region 1
Below lean limit1); 2)

- Check fuel pressure regulator and holding pressure
=> Page 24-88

- Check injectors

- Check fuel pump:

- Check intake system for leaks => Page 24-93

- Check exhaust system for leaks:

Continued on next page

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)add. = additive, i.e. the fault only affects the system at idling speed.

Fault code

Fault text

Fault elimination

SAE

V.A.G


P1151


17559

Continuation
Bank1, mixture adaption region 1
Below lean limit1); 2)

- Check exhaust gas recirculation valve (-N18): => Page 01-72, Final control diagnosis
Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter system for leaks:

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)add. = additive, i.e. the fault only affects the system at idling speed.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1152

17560

Bank1, mixture adaption region 2
Below lean limit1); 2)

- Check fuel pressure regulator and holding pressure
=> Page 24-88

- Check injectors

- Check fuel pump:

- Check intake system for leaks => Page 24-93

- Check exhaust system for leaks:

Continued on next page

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)mult. = multiplicative, i.e. the fault affects the system across the whole range of engine speeds and engine loads.

Fault code

Fault text

Fault elimination

SAE

V.A.G


P1152


17560

Continuation
Bank1, mixture adaption region 2
Below lean limit1) 2)

- Check exhaust gas recirculation valve (-N18):
=> Page 01-72, Final control diagnosis
Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter system for leaks:

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)mult. = multiplicative, i.e. the fault affects the system across the whole range of engine speeds and engine loads.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1155

17563

Intake manifold pressure sender -G71short to positive1)2)

- Check intake manifold pressure sender

P1156

17564

Intake manifold pressure sender -G71 open circuit/short to earth1)2)

P1158

17566

Intake manifold pressure sender -G71, implausible signal1)2)

- Clean throttle valve

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp .

2)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1165

17573

Bank1, mixture adaption region 1
Rich limit exceeded1); 2)

- Check fuel pressure regulator and holding pressure
=> Page 24-88

- Check injectors

- Check fuel pump:

- Check intake system for leaks => Page 24-93

- Check exhaust system for leaks:

Continued on next page

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)add. = additive, i.e. the fault only affects the system at idling speed.

Fault code

Fault text

Fault elimination

SAE

V.A.G


P1165


17573

Continuation
Bank1, mixture adaption region 1
Rich limit exceeded1); 2)

- Check exhaust gas recirculation valve (-N18):
=> Page 01-72, Final control diagnosis
Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter system for leaks:

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)add. = additive, i.e. the fault only affects the system at idling speed.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1166

17574

Bank1, mixture adaption region 2
Rich limit exceeded1) 2)

- Check fuel pressure regulator and holding pressure
=> Page 24-88

- Check injectors

- Check fuel pump:

- Check intake system for leaks => Page 24-93

- Check exhaust system for leaks:

Continued on next page

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)mult. = multiplicative, i.e. the fault affects the system across the whole range of engine speeds and engine loads.

Fault code

Fault text

Fault elimination

SAE

V.A.G


P1166


17574

Continuation
Bank1, mixture adaption region 2
Rich limit exceeded1); 2)

- Check exhaust gas recirculation valve (-N18):
=> Page 01-72, Final control diagnosis
Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter system for leaks:

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Note:

2)mult. = multiplicative, i.e. the fault affects the system across the whole range of engine speeds and engine loads.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1171

17579

Angle sender 2 for throttle valve drive -G188,
implausible signal1)2)

- Check throttle valve control part => Page 24-49

P1172

17580

Angle sender 2 for throttle valve drive -G188, signal too low1)2)

P1173

17581

Angle sender 2 for throttle valve drive -G188, signal too high1)

- Clean throttle valve

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

2)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1174

17582

Bank1, fuel measurement system
Deviation in injection timing1)

- Check fuel pressure regulator and holding pressure => Page 24-88

- Check injectors

- Check fuel pump:

- Check intake system for leaks => Page 24-93

- Check exhaust system for leaks:

Continued on next page

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G


P1174


17582

Continuation
Bank1, fuel measurement system
Deviation in injection timing1)

- Check exhaust gas recirculation valve
=> Page 01-72, Final control diagnosis
Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter system for leaks:

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1176

17584

Bank 1 Lambda correction after cat, control limit reached1)

- Check intake system for leaks (unmetered air) => Page 24-93

- Check Lambda probe and Lambda regulation after catalytic converter => Page 24-108

- Check Lambda probe heating after catalytic converter
=> Page 24-37

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1178

17586

Linear Lambda probe/pump current, Open circuit1)

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

P1179

17587

Linear Lambda probe/pump current, Short to earth1)

P1180

17588

Linear Lambda probe/pump current, Short to positive1)

- Check Lambda probe heating before catalytic converter => Page 24-31

P1181

17589

Linear Lambda probe/reference voltage, Open circuit1)

- Check Lambda probe and Lambda regulation before catalytic converter => Page 24-100

P1182

17590

Linear Lambda probe/reference voltage, Short to earth1)

- Check Lambda probe heating before catalytic converter => Page 24-31

P1183

17591

Linear Lambda probe/reference voltage, Short to positive1)

- Check ignition cables and spark plugs => Page 28-1

P1190

17598

Linear Lambda probe/reference voltage implausible1)

- Check misfire detection
=> Page 28-22

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1196

17604

Bank 1, probe 1 heating element circuit, Electrical fault1)

- Check Lambda probe heating before catalytic converter

P1198

17606

Bank 1, probe 2 heating element circuit, Electrical fault1)

- Check Lambda probe heating after catalytic converter
=> Page 24-37

P1213

17621

Injector Cyl. 1 -N30 short to positive1)

- Check injectors

P1214

17622

Injector Cyl. 2 -N31 short to positive1)

P1215

17623

Injector Cyl. 3 -N32 short to positive1)

P1216

17624

Injector Cyl. 4 -N33 short to positive1)

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1237

17645

Injector Cyl. 1 -N30 open circuit1)

- Check injectors

P1238

17646

Injector Cyl. 2 -N31 open circuit1)

P1239

17647

Injector Cyl. 3 -N32 open circuit1)

P1240

17648

Injector Cyl. 4 -N33 open circuit1)

P1337

17745

Bank 1, camshaft pos. sensor => sender -G40, Short to earth

- Check Hall sender

P1338

17746

Bank 1, camshaft pos. sensor => sender -G40, Open circuit/ short to positive

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1341

17749

Ignition output 1, short to earth1)

- Check ignition transformer => Page 28-12

P1342

17750

Ignition output 1, short to positive1)

- Check Hall sender => Page 28-9

P1343

17751

Ignition output 2 short to earth1)

P1344

17752

Ignition output 2, short to positive1)

P1348

17756

Ignition output 1, open circuit1)

P1349

17757

Ignition output 2, open circuit1)

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

2)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Fault code

Fault text

Fault rectification

SAE

V.A.G

P1355

17763

Ignition circuit cylinder 11)
Open circuit

- Check ignition transformer
=> Page 28-12

P1356

17764

Ignition circuit cylinder 11)
Short to positive

P1357

17765

Ignition circuit cylinder 11)
Short to earth

P1358

17766

Ignition circuit cylinder 21)
Open circuit

P1359

17767

Ignition circuit cylinder 21)
Short to positive

P1360

17768

Ignition circuit cylinder 21)
Short to earth

1)Faults relating to "Ignition circuit..." apply to wiring connections between the engine control unit and the ignition output stage of the ignition coil via which the engine control unit activates the output stages. "Ignition circuit, cylinder 1..."applies to cylinders one and four, "Ignition circuit, cylinder 2..." applies to cylinders two and three.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1385

17793

Control unit defective1)

- Renew engine control unit
=> Page 24-126

P1388

17796

Control unit defective1)2)

- Renew engine control unit
=> Page 24-126

P1398

17806

Engine speed signal, TD short to earth

- Check engine speed sender

P1399

17807

Engine speed signal, TD short to positive

P1401

17809

Exhaust gas recirculation valve -N18, Short to earth1)

- Check exhaust gas recirculation valve, Final control diagnosis

P1402

17810

Exhaust gas recirculation valve -N18, Short to positive1)

P1403

17811

Exhaust gas recirculation system, Control difference1)

P1404

17812

Exhaust gas recirculation system, Basic settings not performed

- Perform basic setting (Measured value block 74)

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

2)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1410

17818

Tank breathing valve -N80 short to positive1)

- Check activated charcoal filter solenoid valve 1=> Page 01-72, Final control diagnosis

P1425

17833

Tank breathing valve -N80 short to earth1)

P1426

17834

Tank breathing valve -N80 open circuit1)

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1439

17847

EGR potentiometer - G212
Fault in basic setting1)

- Check exhaust gas recirculation valve=> Page 01-72, Final control diagnosis

P1440

17848

Exhaust gas recirculation valve - N18, open circuit1)

P1442

17850

EGR potentiometer - G212
Signal too high1)

- Perform basic settings (measured value block 74)
=> Page 01-149

P1443

17851

EGR potentiometer -G212 Signal too low1)

P1501

17909

Fuel pump relay -J17, Short to earth

- Check fuel pump relay
=> Page 24-138

P1502

17910

Fuel pump relay -J17, short to positive

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1504

17912

Air intake system, Leak detected1)2)

- Check intake system for leaks (unmetered air) => Page 24-93

- Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter solenoid valve 1:

- Check throttle valve control unit => Page 24-49

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

2)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1541

17949

Fuel pump relay - J17, Open circuit

- Check fuel pump relay
=> Page 24-138

P1542

17950

Angle sender for throttle valve drive -G187,
Implausible signal2)

- Check throttle valve control part => Page 24-49
Clean throttle valve

P1543

17951

Angle sender for throttle valve drive -G187 signal too low 1)2)

P1544

17952

Angle sender for throttle valve drive -G187 signal too high 1)2)

P1545

17953

Throttle valve control malfunction 1)2)

1)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp =>01-6.

2)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1553

17961

Altitudesensor signal/intake manifold pressure, Implausible ratio1)

- Check intake manifold pressure sender

- Check intake system for leaks (unmetered air) => Page 24-93

- Check exhaust gas recirculation system:
=> Repair group 26; Exhaust gas recirculation system

- Check activated charcoal filter solenoid valve 1:

- Check throttle valve control part => Page 24-49

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1554

17962

Throttle valve control part -J338
Basic setting condition not met 1)

- Adapt engine control unit to throttle valve control part => Page 24-133

P1559

17967

Throttle valve control part -J338
Fault in basic setting 1)2)

P1560

17968

Maximum engine revs surpassed

- Repair mechanical damage

P1564

17972

Throttle valve control part -J338 low voltage at base setting 1)

- Check battery, charge if needed
Adapt engine control unit to throttle valve control part => Page 24-133

P1565

17973

Throttle valve control part -J338 lower limit not reached 1)2)

- Check throttle valve control part=> Page 24-49

P1569

17977

CCS switch -E45, Implausible signal

- Check cruise control signal
=> Page 24-148

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

2)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1570

17978

Engine control unit blocked

- Adapt electronic immobilizer to engine control unit
=> Electrical system; Repair group 01; Self-diagnosis of immobiliser

P1581

17989

Throttle valve control part -J338
Basic setting not performed

- Adapt engine control unit to throttle valve control part => Page 24-133

P1602

18010

Voltage supply Kl 30, Voltage too low

- Procedure after voltage supply open circuit => Page 24-121

P1611

18019

Request fault lamp be switched on, Short to earth

- Check exhaust emissions warning lamp:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder

P1612

18020

Engine control unit incorrectly coded

- Code engine control unit
=> Page 24-130

P1626

18034

Drive train data bus no messages from gearbox control unit

- Check data bus => Page 24-168

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1630

18038

Accelerator pedal position sender -G79 signal too low1)2)

- Check accelerator pedal position sender:

P1631

18039

Accelerator pedal position sender -G79 signal too high 1)2)

P1633

18041

Accelerator pedal position sender 2 -G185 signal too low 1)2)


P1634

18042

Accelerator pedal position sender 2 -G185 signal too high 1)2)


P1635

18043

Drive train data bus, No message from air conditioner CU

- Check data bus => Page 24-168

P1636

18044

Drive train date bus, No message from airbag CU

P1637

18045

Drive train data bus, No message from elec. CU

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

2)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1639

18047

Accelerator pedal position senders 1/2 -G79+G185 implausible signal 1)

- Check accelerator pedal position sender:

P1640

18048

Control unit defective2)

- Check control unit voltage supply => Page 24-121

- Renew engine control unit (J537) => Page 24-126

P1641

18049

Please interrogate air cond. CU fault memory

- Interrogate fault memory of A/C control unit

P1648

18056

Drive train data bus defective

- Check data bus => Page 24-168

P1649

18057

Drive train data bus no messages from ABS control unit

1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

2)    Engine control unit switches on the exhaust emissions warning lamp in dash panel insert if this fault occurs. Significance of exhaust emissions warning lamp .

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1650

18058

Drive train data bus message from combi-instrument missing

- Check data bus => Page 24-168

P1652

18060

Please interrogate fault memory of gearbox control unit

=> Repair group 01; Self-diagnosis for automatic gearbox 001; Perform self-diagnosis; Interrogate fault memory

P1653

18061

Please interrogate fault memory of ABS control unit

=> Repair group 01; Running gear self-diagnosis for ABS, Perform self-diagnosis

P1654

18062

Please interrogate fault memory of combi-instrument

=> Repair group 01; Electrical system, self-diagnosis

P1656

18064

Air conditioning input/output
Short to earth

- Check air conditioning system:
=> Current flow diagrams, Electrical fault finding and Fitting locations binder

P1657

18065

Air conditioning input/output
Short to positive

Fault code

Fault text

Fault elimination

SAE

V.A.G

P1673

18081

Speed signal, fault message from ABS control unit

=> Running gear, Self-diagnosis for ABS; Repair group 01; Performing self-diagnosis

P1677

18085

Electric throttle control fault lamp - K132
Short to positive1)

- Check data bus => Page 24-168

P1678

18086

Electric throttle control fault lamp -K132
Short to earth1)

- Check dash panel insert:

P1679

18087

Electr.throttle control fault lamp -K132
Open circuit1)


P1691

18099

Warning lamp for self-diagnosis -K83
Open circuit

- Check data bus => Page 24-168

P1692

18100

Warning lamp for self-diagnosis -K83
Short to earth

- Check dash panel insert:

P1693

18101

Warning lamp for self-diagnosis -K83
Short to positive


1)    Engine control unit switches on the EPC warning lamp in dash panel insert if this fault occurs. Significance of EPC warning lamp =>01-5.

Final control diagnosis > < Fault table: from V.A.G code 16486 / SAE P0 codes