Using a DVOM, check wiring for an open or short between Powertrain Control Module (PCM) and Malfunction Indicator Light (MIL). See WIRING DIAGRAMS article. Repair wiring harness as necessary. Erase DTC memory. See CLEARING CODES in SELF-DIAGNOSTICS - INTRODUCTION article.
Home/Audi/A4/Audi A4 B5 facelift (1999-2001)/Repair manual/Testing & Diagnostics/DTC P1690/18098: MIL FAILURE
Contents
Wiring diagrams Section: Testing & Diagnostics- Engine Controls - Basic Diagnostic Procedures: Diagnosis
- Engine Controls - Basic Diagnostic Procedures: Other
- Engine Controls - Self-Diagnostics - Introduction: Overview
- Engine Controls - Self-Diagnostics - Introduction: Diagnosis
- Engine Controls - Self-Diagnostics - Introduction: Removal & Installation
- Engine Controls - Self-Diagnostics - Introduction: Other
- Engine Controls - Self-Diagnostics - 2.8L: Overview
- Engine Controls - Self-Diagnostics - 2.8L: Diagnosis
- DTC P0102/16486 & P0103/16487: MAF CIRCUIT FAILURE
- DTC P0112/16496 & P0113/16497: IAT SENSOR CIRCUIT FAILURE
- DTC P0116/16500, P0117/16501 & P0118/16502: ECT SENSOR CIRCUIT FAILURE
- DTC P0121/16505, P0122/16506 & P0123/16507: TP SENSOR CIRCUIT FAILURE
- DTC P0130/16514, P0131/16515 & P0132/16516: HO2S CIRCUIT FAILURE (BANK 1, SENSOR 1)
- DTC P0133/16517: HO2S SLOW RESPONSE (BANK 1, SENSOR 1)
- DTC P0134/16518: HO2S NO ACTIVITY DETECTED (BANK 1, SENSOR 1)
- DTC P0136-38/16520-22 & P0140/16524: HO2S CIRCUIT FAILURE (BANK 1, SENSOR 2)
- DTC P0150-52/16534-36: HO2S CIRCUIT FAILURE (BANK 2, SENSOR 1)
- DTC P0153/16537: HO2S SLOW RESPONSE (BANK 2, SENSOR 1)
- DTC P0154/16538: HO2S CIRCUIT NO ACTIVITY DETECTED (BANK 2, SENSOR 1)
- DTC P0156-60/16540-44: HO2S CIRCUIT FAILURE (BANK 2, SENSOR 2)
- DTC P0300-06/16684-90: CYLINDER MISFIRE DETECTED
- DTC P0321/16705 & P0322/16706: IGN/DIST. CIRCUIT FAILURE
- Engine Controls - Self-Diagnostics - 2.8L: Other
- DTC P0411/16795: SECONDARY AIR INJECTION SYSTEM FAILURE
- DTC P0422/16806: MAIN CATALYST EFFICIENCY BELOW THRESHOLD (BANK 1)
- DTC P0432/16816: MAIN CATALYST EFFICIENCY BELOW THRESHOLD (BANK 2)
- DTC P0441/16825: EVAP SYSTEM FAILURE
- DTC P0442/16826 & P0455/16839: EVAP SYSTEM FAILURE
- DTC P0501/16885: VEHICLE SPEED SENSOR FAILURE
- DTC P0506/16890 & P0507/16891: IDLE CONTROL SYSTEM FAILURE
- DTC P0601/16985 & P0604/16988: PCM FAILURE
- DTC P1102/17510: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 1, SENSOR 1)
- DTC P1105/17513: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 1, SENSOR 2)
- DTC P1107/17515: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 2, SENSOR 1)
- DTC P1110/17518: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 2, SENSOR 2)
- DTC P1127/17535: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO RICH (BANK 1)
- DTC P1128/17536: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO LEAN (BANK 1)
- DTC P1129/17537: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO RICH (BANK 2)
- DTC P1130/17538: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO LEAN (BANK 2)
- DTC P1136/17544: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO LEAN (BANK 1)
- DTC P1137/17545: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO RICH (BANK 1)
- DTC P1138/17546: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO LEAN (BANK 2)
- DTC P1139/17547: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO RICH (BANK 2)
- DTC P1141/17549: LOAD CALCULATION CROSS CHECK RANGE/PERFORMANCE
- DTC P1176/17584: HO2S CORRECTION BEHIND CATALYST LIMIT ATTAINED (BANK 1)
- DTC P1177/17585: HO2S CORRECTION BEHIND CATALYST LIMIT ATTAINED (BANK 2)
- DTC P1196/17604: HO2S HEATING CIRCUIT ELECTRICAL FAILURE (BANK 1, SENSOR 1)
- DTC P1197/17605: HO2S HEATING CIRCUIT ELECTRICAL FAILURE (BANK 2, SENSOR 1)
- DTC P1198/17606: HO2S HEATING CIRCUIT ELECTRICAL FAILURE (BANK 1, SENSOR 2)
- DTC P1199/17607: HO2S HEATING CIRCUIT ELECTRICAL FAILURE (BANK 2, SENSOR 2)
- DTC P1213-18/17621-26: CYLINDER NO. 1-6 FUEL INJECTOR CIRCUIT SHORT TO B+
- DTC P1225-30/17633-38: CYLINDER NO. 1-6 FUEL INJECTOR CIRCUIT SHORT TO GROUND
- DTC P1237-42/17645-50: CYLINDER NO. 1-6 FUEL INJECTOR OPEN CIRCUIT
- DTC P1250/17658: FUEL LEVEL TOO LOW
- DTC P1337/17745 & P1338/17746: CAMSHAFT POSITION SENSOR FAILURE (BANK 1)
- DTC P1386/17794: PCM KNOCK CONTROL CIRCUIT ERROR
- DTC P1391/17799 & P1392/17800: CAMSHAFT POSITION SENSOR FAILURE (BANK 2)
- DTC P1410/17818: TANK VENTILATION VALVE CIRCUIT SHORT TO B+
- DTC P1421/17829 & P1422/17830: SECONDARY AIR INJECTION CIRCUIT FAILURE
- DTC P1425/17833 & P1426/17834: TANK VENTILATION VALVE CIRCUIT FAILURE
- DTC P1432-36/17840-44: SECONDARY AIR INJECTION SYSTEM FAILURE
- DTC P1471-73/17879-81: EVAP EMISSION LEAK DETECTION PUMP CIRCUIT FAILURE
- DTC P1476/17884 & P1477/17885: EVAP EMISSION LEAK DETECTION PUMP CIRCUIT FAILURE
- DTC P1500-02/17908-10: FUEL PUMP RELAY CIRCUIT FAILURE
- DTC P1505/17913: TP SWITCH CIRCUIT FAILURE
- DTC P1512/17920 & P1515-16/17923-24: INTAKE MANIFOLD CHANGE-OVER VALVE CIRCUIT FAILURE
- DTC P1519/17927 & P1522/17930: INTAKE CAMSHAFT CONTROL FAILURE
- DTC P1543-45/17951-53 & P1558/17966: TP SENSOR CIRCUIT FAILURE
- DTC P1559/17967: IDLE SPEED CONTROL/THROTTLE POSITION ADAPTATION FAILURE
- DTC P1560/17968: MAXIMUM ENGINE SPEED EXCEEDED
- DTC P1564/17972: PCM POWER SUPPLY VOLTAGE FAILURE
- DTC P1565/17973: IDLE SPEED CONTROL/THROTTLE POSITION FAILURE
- DTC P1600/18008 & P1602/18010: PCM POWER SUPPLY VOLTAGE FAILURE
- DTC P1606/18014: ROUGH ROAD SIGNAL DETECTED
- DTC P1612/18020: PCM INCORRECT CODING
- DTC P1624/18032: MIL REQUEST SIGNAL ACTIVE
- DTC P1626/18034: CONTROLLER AREA NETWORK (CAN) FAILURE
- DTC P1640/18048: INTERNAL PCM (EEPROM) ERROR
- DTC P1681/18089: PCM PROGRAMMING NOT FINISHED
- DTC P1690/18098: MIL FAILURE
- Engine Controls - Self-Diagnostics - 1.8L Turbo: Overview
- Engine Controls - Self-Diagnostics - 1.8L Turbo: Diagnosis
- DTC P0102/16486 & P0103/16487: MAF CIRCUIT FAILURE
- DTC P0107/16491 & P0108/16492: MAP SENSOR CIRCUIT FAILURE
- DTC P0112/16496 & P0113/16497: IAT SENSOR CIRCUIT FAILURE
- DTC P0116/16500, P0117/16501 & P0118/16502: ECT SENSOR CIRCUIT FAILURE
- DTC P0121/16505, P0122/16506 & P0123/16507: TP SENSOR CIRCUIT FAILURE
- DTC P0130/16514, P0131/16515 & P0132/16516: HO2S CIRCUIT FAILURE (BANK 1, SENSOR 1)
- DTC P0133/16517: HO2S SLOW RESPONSE (BANK 1, SENSOR 1)
- DTC P0134/16518: HO2S NO ACTIVITY DETECTED (BANK 1, SENSOR 1)
- DTC P0136/16520, P0137/16521, P0138/16522 & P0140/16524: HO2S CIRCUIT FAILURE (BANK 1, SENSOR 2)
- DTC P0300/16684, P0301/16685, P0302/16686, P0303/16687 & P0304/16688: CYLINDER MISFIRE DETECTED
- DTC P0321/16705 & P0322/16706: IGN/DIST. CIRCUIT FAILURE
- Engine Controls - Self-Diagnostics - 1.8L Turbo: Other
- DTC P0422/16806: MAIN CATALYST FAILURE (BANK 1)
- DTC P0441/16825: EVAP SYSTEM FAILURE
- DTC P0442/16826 & P0455/16839: EVAP SYSTEM FAILURE
- DTC P0501/16885: VEHICLE SPEED SENSOR FAILURE
- DTC P0506/16890 & P0507/16891: IDLE CONTROL SYSTEM FAILURE
- DTC P0560/16944, P0562/16946 & P0563/16947: SYSTEM VOLTAGE FAILURE
- DTC P0601/16985 & P0604/16988: PCM FAILURE
- DTC P1102/17510: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 1, SENSOR 1)
- DTC P1105/17513: HO2S HEATING CIRCUIT SHORT TO B+ (BANK 1, SENSOR 2)
- DTC P1127/17535: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO RICH (BANK 1)
- DTC P1128/17536: LONG TERM FUEL TRIM MULTIPLICATIVE SYSTEM TOO LEAN (BANK 1)
- DTC P1136/17544: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO LEAN (BANK 1)
- DTC P1137/17545: LONG TERM FUEL TRIM ADDITIVE SYSTEM TOO RICH (BANK 1)
- DTC P1176/17584: HO2S CORRECTION BEHIND CATALYST LIMIT ATTAINED (BANK 1)
- DTC P1196/17604: HO2S HEATER CIRCUIT ELECTRICAL FAILURE (BANK 1, SENSOR 1)
- DTC P1198/17606: HO2S HEATER CIRCUIT ELECTRICAL FAILURE (BANK 1, SENSOR 2)
- DTC P1213-16/17621-24: CYLINDER NO. 1-4 FUEL INJECTOR CIRCUIT SHORT TO B+
- DTC P1225-28/17633-36: CYLINDER NO. 1-4 FUEL INJECTOR CIRCUIT SHORT TO GROUND
- DTC P1237-40/17645-48: CYLINDER NO. 1-4 FUEL INJECTOR OPEN CIRCUIT
- DTC P1250/17658: FUEL LEVEL TOO LOW
- DTC P1337/17745 & P1338/17746: CAMSHAFT POSITION SENSOR FAILURE
- DTC P1386/17794: PCM KNOCK CONTROL CIRCUIT ERROR
- DTC P1410/17818: TANK VENTILATION VALVE CIRCUIT SHORT TO B+
- DTC P1425/17833 & P1426/17834: TANK VENTILATION VALVE FAILURE
- DTC P1471-73/17879-81 & P1475-77/17883-85: EVAP EMISSION LEAK DETECTION PUMP FAILURE
- DTC P1500-02/17908-10: FUEL PUMP RELAY CIRCUIT FAILURE
- DTC P1505/17913 & P1506/17914: CLOSED TP SENSOR SWITCH FAILURE
- DTC P1543-45/17951-53: TP SENSOR FAILURE
- DTC P1546-48/17954-56: BOOST PRESSURE CONTROL VALVE FAILURE
- DTC P1555-57/17963-65: CHARGE PRESSURE DEVIATION
- DTC P1558/17966 & P1559/17967: THROTTLE ACTUATOR/POSITION SENSOR FAILURE
- DTC P1560/17968: MAXIMUM ENGINE SPEED EXCEEDED
- DTC P1602/18010: PCM LOW VOLTAGE
- DTC P1606/18014: ROUGH ROAD SIGNAL DETECTED
- DTC P1611/18019: MIL CIRCUIT/TCM SHORT TO GROUND
- DTC P1612/18020: PCM INCORRECT CODING
- DTC P1613/18021: MIL CIRCUIT OPEN OR SHORT TO B+
- DTC P1624/18032: MIL REQUEST SIGNAL ACTIVE
- DTC P1640/18048: INTERNAL PCM (EEPROM) ERROR
- Engine Controls - Trouble Shooting - No Codes: Diagnosis
- Engine Controls - Trouble Shooting - No Codes: Other
- Engine Controls - System & Component Testing: Diagnosis
- Engine Controls - System & Component Testing: Other
- 1.8L 4-CYL 5V Turbo (Engine Codes Aeb & Atw): Removal & Installation
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