OBDII Infiniti Code Definitions.
Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
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| Infiniti Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause |
| P1031 | Heated oxygen sensor (H02S), bank 1, heater – voltage low | Wiring, H02S |
| P1032 | Heated oxygen sensor (H02S), bank 1, heater – voltage high | Wiring, H02S |
| P1051 | Heated oxygen sensor (H02S), bank 2, heater – voltage low | Wiring, H02S |
| P1052 | Heated oxygen sensor (H02S), bank 2, heater – voltage high | Wiring, H02S |
| P1065 | Engine control module (ECM) – battery voltage supply | Wiring, fuse, ECM |
| P1078 | Camshaft position (CMP) sensor, exhaust – low voltage | Wiring, CMP |
| P1084 | Camshaft position (CMP) sensor, exhaust – high voltage | Wiring, CMP |
| P1087 | VVEL Small Event Angle Malfunction Bank 1 | |
| P1088 | VVEL Small Event Angle Malfunction Bank 2 | |
| P1089 | VVEL Control Shaft Position Sensor Bank 1 Circuit | |
| P1090 | VVEL Actuator Motor Bank 1 | |
| P1091 | VVEL Actuator Motor Relay Circuit | |
| P1092 | VVEL Control Shaft Position Sensor Bank 2 Circuit | |
| P1093 | VVEL Actuator Motor Bank 2 | |
| P1102 | Mass air flow (MAF) sensor – performance problem | Wiring, MAF sensor |
| P1103 | MAP Sensor High Voltage | |
| P1104 | MAP Sensor Low Voltage | |
| P1105 | MAP - BARO switching valve - circuit malfunction | Wiring, MAP/BARO switching valve |
| P1110 | Intake valve timing control solenoid, bank 1 – malfunction | Wiring, intake valve control solenoid position sensor, CKP sensor, CMP sensor, ECM |
| P1111 | Intake valve timing control solenoid, bank 1 – circuit malfunction | Wiring, intake valve control solenoid, ECM |
| P1119 | Engine coolant temperature (ECT) sensor, radiator – circuit malfunction | Wiring, engine coolant temperature (ECT) sensor |
| P1120 | Throttle position (TP) circuit malfunction | Wiring, TP sensor, ECM |
| P1121 | Throttle motor – malfunction | Throttle motor, ECM |
| P1122 | Throttle motor – circuit malfunction | Wiring, throttle motor, ECM |
| P1123 | Throttle motor relay – circuit malfunction | Wiring, throttle motor relay, ECM |
| P1124 | Throttle motor – short circuit | Wiring, throttle motor, throttle motor relay, ECM |
| P1125 | Throttle position (TP) sensor 1 & 2 - signal malfunction | Wiring, TP sensor, mechanical fault, ECM |
| P1126 | Throttle motor – open circuit | Wiring, throttle motor, throttle motor relay, ECM |
| P1128 | Throttle motor – short circuit | Wiring, throttle motor, ECM |
| P1130 | Intake manifold air control solenoid – malfunction | Wiring, control solenoid, intake system, hose leak/blockage, control vacuum check switch, ECM |
| P1131 | Intake manifold air control solenoid – malfunction | Wiring, intake manifold air control solenoid |
| P1132 | Swirl Control Valve Circuit | |
| P1135 | Intake valve timing control solenoid, bank 2 – malfunction | Wiring, intake valve control solenoid position sensor, CKP sensor, CMP sensor, ECM |
| P1136 | Intake valve timing control solenoid, bank 2 – circuit malfunction | Wiring, intake valve control solenoid, ECM |
| P1137 | Swirl Control Valve Control Position Sensor Circuit | |
| P1138 | Swirl Control Valve Control System Performance | |
| P1140 | Camshaft position (CMP) actuator LH – circuit malfunction | Wiring, CMP actuator, mechanical fault, ECM |
| P1143 | Heated oxygen sensor (H02S) 1, bank 1 – voltage low | Wiring, mixture, H02S, ECM |
| P1144 | Heated oxygen sensor (H02S) 1, bank 1 – voltage high | H02S, fuel pressure, fuel system, ECM |
| P1145 | Camshaft position (CMP) actuator RH – circuit malfunction | Wiring, CMP actuator, mechanical fault, ECM |
| P1146 | Heated oxygen sensor (H02S) 2, bank 1 – voltage low | Wiring, mixture, H025, ECM |
| P1147 | Heated oxygen sensor (H02S) 2, bank 1 – voltage high | Wiring, H02S, fuel pressure, fuel system, ECM |
| P1148 | Closed loop control, bank 1 – inoperative | Wiring, H02S front, ECM |
| P1163 | Heated oxygen sensor (H02S) | Wiring, H025, ECM |
| P1164 | Heated oxygen sensor (H02S) 1, bank 2 – voltage high | H02S, fuel pressure, fuel system, ECM |
| P1165 | Intake manifold air control system -vacuum check switch circuit malfunction | Wiring, vacuum check switch, hose leak/ blockage, air control solenoid, ECM |
| P1166 | Heated oxygen sensor (H02S) 2, bank 2 – voltage high | Wiring, mixture, H025, ECM |
| P1167 | Heated oxygen sensor (H02S) 2, bank 2 – voltage high | Wiring, H02S, fuel pressure, fuel system, ECM |
| P1168 | Closed loop control LH – inoperative | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1195 | Engine Does Not Start | |
| P1196 | Poor Engine Power | |
| P1197 | Low Input From Fuel Level Sensor | |
| P1210 | Traction control system - malfunction | Wiring, TP sensor, mechanical fault, ECM |
| P1211 | ABS/TCS control module – communication malfunction | Wiring, ABS/TCS control module, ECM |
| P1212 | ABS/TCS control module – circuit malfunction | Wiring, ABS/TCS control module, ECM |
| P1217 | Engine over temperature | Cooling system, engine coolant blower motor |
| P1220 | Fuel pump control module – circuit malfunction | Wiring, fuel pump speed resistor, fuel pump control module |
| P1223 | Throttle position (TP) sensor 2 -voltage low | Wiring, TP sensor |
| P1224 | Throttle position (TP).sensor 2 – voltage high | Wiring, TP sensor |
| P1225 | Throttle motor position sensor – learning problem, voltage low | Wiring, TP sensor 1, TP sensor 2 |
| P1226 | Throttle motor position sensor – learning problem | Wiring, TP sensor 1, TP sensor 2 |
| P1227 | Accelerator pedal position (APP) sensor 2 – voltage low | Wiring, APP sensor |
| P1228 | Accelerator pedal position (APP) sensor 2 – voltage high | Wiring, APP sensor |
| P1229 | Engine control module (ECM) – sensor supply voltage low/high | Wiring, APP sensor, throttle motor position sensor, MAF sensor, fuel tank pressure sensor, TP sensor(s), refrigerant pressure sensor |
| P1233 | Electronic throttle control – performance | Wiring, throttle control motor |
| P1234 | Throttle motor position sensor – learning problem, voltage low, bank 2 | Wiring, TP simsor 1, TP sensor 2 |
| P1235 | Throttle motor position sensor – learning problem, bank 2 | Wiring, TP sensor 1, TP sensor 2 |
| P1236 | Throttle control motor – short circuit | Wiring, throttle control motor |
| P1238 | Throttle control motor – malfunction | Throttle control motor |
| P1239 | Throttle position (TP) – performance | Wiring, throttle actuator, TP sensor |
| P1271 | Heated oxygen sensor (H02S), bank 1 – voltage low | Wiring, H02S |
| P1272 | Heated oxygen sensor (H02S), bank 1 – voltage high | Wiring, H02S |
| P1273 | Heated oxygen sensor (H02S), bank 1 – lean mixture | H02S, fuel pressure, injectors, intake air leak |
| P1274 | Heated oxygen sensor (H02S), bank 1 – rich mixture | H02S, fuel pressure, injectors |
| P1276 | Heated oxygen sensor (H02S), bank 1 – activity | Wiring, H025 |
| P1277 | Air Fuel Ratio Sensor 1 Bank 1 Circuit Slow Response | |
| P1278 | Heated oxygen sensor (H02S), bank 1 – slow response | Wiring, fuel pressure, injectors, MAF sensor, PCV, H02S, intake air leaks, exhaust leaks |
| P1279 | Heated oxygen sensor (H02S), bank 1 – slow response | Wiring, fuel pressure, injectors, MAF sensor, PCV, H025, intake air leaks, exhaust leaks |
| P1281 | Heated oxygen sensor (H02S), bank 2 – voltage low | Wiring, H025 |
| P1282 | Heated oxygen sensor (H02S), bank 2 – voltage high | Wiring, H025 |
| P1283 | Heated oxygen sensor (H02S), bank 2 – lean mixture | H02S, fuel pressure, injectors, intake air leak |
| P1284 | Heated oxygen sensor (H02S), bank 2 – rich mixture | H02S, fuel pressure, injectors |
| P1286 | Heated oxygen sensor (H02S), bank 2 – activity | Wiring, H02S |
| P1288 | Heated oxygen sensor (H02S), bank 2 – slow response | Wiring, fuel pressure, injectors, MAF sensor, PCV, H02S, intake air leaks, exhaust leaks |
| P1289 | Heated oxygen sensor (H02S), bank 2 – slow response | Wiring, fuel pressure, injectors, MAF sensor, PCV, H02S, intake air leaks, exhaust leaks |
| P1290 | Throttle control motor relay – voltage low | Wiring, relay |
| P1320 | Ignition signal – circuit malfunction | Wiring, ignition coil/module, ignition system, CKP sensor, CMP sensor, ECM |
| P1335 | Crankshaft position (CKP) sensor – circuit malfunction | Wiring, CKP sensor, ECM |
| P1336 | Crankshaft position (CKP) sensor- signal malfunction | Wiring, CKP sensor, ECM | P1400 – P1499 (Emission control) |
| P1400 | Exhaust gas recirculation (EGR) valve - voltage incorrect | Wiring, EGR valve, mechanical fault, ECM |
| P1401 | Exhaust gas recirculation temperature (EGRT) sensor – circuit malfunction | Wiring, EGRT sensor, ECM |
| P1402 | Exhaust gas recirculation (EGR) system – excessive flow | Wiring, EGRIEVAP valve, EGR valve, EGRT sensor, EGR back pressure transducer, ECM |
| P1421 | Cold start emission control – malfunction | Intake/exhaust leak/blockage, mechanical fault, idle speed control (ISC) system, ignition control, engine coolant temperature (ECT) sensor, H025, ECM |
| P1440 | Evaporative emission (EVAP) canister purge control system – small leak | EVAP valve, hoses, mechanical fault |
| P1441 | Evaporative emission (EVAP) canister purge control system – small leak | EVAP valve, hoses, fuel filler cap, mechanical fault |
| P1442 | Evaporative emission (EVAP) canister purge system – small leak | EVAP canister purge system, hose leak, EVAP pressure sensor/vent valve, fuel filler cap, ECM |
| P1443 | Evaporative emission (EVAP) canister purge control system - circuit malfunction | Wiring, EVAP valve, ECM |
| P1444 | Evaporative emission (EVAP) canister purge control system – malfunction | Wiring, EVAP valve, hoses, mechanical fault, ECM |
| P1445 | Evaporative emission (EVAP) canister purge control valve - circuit malfunction | Wiring, EVAP valve, ECM |
| P1446 | Evaporative emission (EVAP) canister purge control valve – malfunction | Wiring, EVAP valve, mechanical fault, ECM |
| P1447 | Evaporative emission (EVAP) canister purge control system – malfunction | Wiring, EVAP valve, mechanical fault, ECM |
| P1448 | Evaporative emission (EVAP) canister purge control valve – malfunction | Wiring, EVAP valve, ECM |
| P1456 | Evaporative emission (EVAP) canister purge system – very small leak | EVAP canister purge system, hose leak, EVAP pressure sensor/vent valve, fuel filler cap, ECM |
| P1464 | Fuel gauge tank sensor- voltage high | Wiring, fuel gauge tank sensor, ECM |
| P1480 | Engine coolant blower motor control – circuit malfunction | Wiring, blower motor speed control solenoid valve, ECM |
| P1490 | Evaporative emission (EVAP) canister purge control system – malfunction | Wiring, EVAP valve, mechanical fault, ECM |
| P1491 | Evaporative emission (EVAP) canister purge control system – malfunction | Wiring, EVAP valve, ECM |
| P1492 | Evaporative emission (EVAP) canister purge control valve - malfunction | Wiring, EVAP solenoid, ECM |
| P1493 | Evaporative emission (EVAP) canister purge control valve - malfunction | Wiring, EVAP valve, ECM |
| P1550 | Battery condition sensor – malfunction | Wiring, battery condition sensor |
| P1551 | Battery condition sensor – low voltage | Wiring, battery condition sensor |
| P1552 | Battery condition sensor – high voltage | Wiring, battery condition sensor |
| P1553 | Battery condition sensor – signal too high | Wiring, battery condition sensor |
| P1554 | Battery condition sensor – signal too low | Wiring, battery condition sensor |
| P1564 | Cruise control master switch – circuit malfunction | Wiring, cruise control master switch, ECM |
| P1568 | Cruise control master switch – signal out of specification | Wiring, cruise control master switch, . ECM |
| P1572 | Cruise control brake pedal switch – circuit malfunction | Wiring, cruise control brake pedal switch, clutch pedal position (CPP) switch, ECM |
| P1574 | Cruise control vehicle speed sensor – signal malfunction | Wiring, cruise control vehicle speed sensor, ECM |
| P1605 | AT diagnosis communication -signal failure | Wiring, ECM |
| P1610 | Ignition key/engine control module (ECM) – malfunction | Incorrect ignition key, ECM |
| P1611 | Immobilizer control module/engine control module (ECM) – coding | Immobilizer control module/ECM incorrectly coded |
| P1612 | Immobilizer control module/engine control module (ECM) communication – malfunction | Wiring, immobilizer control module, ECM |
| P1613 | Engine control module (ECM), immobilizer function – internal failure | ECM |
| P1614 | Immobilizer control module/module coding plug communication – no signal | Wiring, immobilizer control module, module coding plug |
| P1615 | Ignition key/immobilizer control module communication – malfunction | Incorrect ignition key, immobilizer control module | P1700 – P1799 (Transmission) |
| P1700 | CVT shift control – malfunction | TCM trouble code(s) stored |
| P1701 | Transmission Control Module Power Supply | |
| P1702 | Transmission Control Module RAM | |
| P1703 | Transmission Control Module ROM | |
| P1704 | Transmission Control Module | |
| P1705 | AT- throttle position (TP) sensor- voltage high or low | Wiring, TP sensor, mechanical fault, ECM |
| P1706 | Park/neutral position (PNP) switch – circuit malfunction | Wiring, PNP switch, ECM |
| P1710 | Automatic Transmission Fluid Temperature Sensor Circuit. | |
| P1715 | Automatic transmission turbine shaft speed (TSS) sensor- circuit malfunction | Wiring, TSS sensor, TCM |
| P1716 | AT – turbine revolution sensor- circuit malfunction | Wiring, turbine sensor 1, turbine sensor 2, ECM |
| P1720 | Vehicle speed sensor (VSS) – signal variation | Wiring, TCM – DTC’s stored, ABSfTCS control module – DTC’s stored, instrument panel |
| P1721 | Vehicle Speed Sensor MTR | |
| P1722 | Estimated Vehicle Speed Signal | |
| P1726 | Electric Throttle Control System | |
| P1730 | AT- fail safe function -circuit malfunction | Wiring, transmission clutches, transmission solenoid valves, transmission pressure switches |
| P1731 | A/T 1st Engine Brake | |
| P1740 | CVT lock-up select solenoid valve – malfunction | Wiring, lock-up select solenoid valve |
| P1752 | AT – input clutch – solenoid valve malfunction | Wiring, input clutch solenoid valve |
| P1754 | AT- input clutch- solenoid valve malfunction | Wiring, input clutch solenoid valve, transmission pressure switch 3 |
| P1757 | AT- front brake- solenoid valve malfunction | Wiring, front brake solenoid valve |
| P1759 | AT -front brake – solenoid valve malfunction | Wiring, front brake solenoid valve, transmission pressure switch 1 |
| P1760 | AT- overrun clutch solenoid – voltage low | Wiring, solenoid, mechanical fault |
| P1762 | AT- direct clutch- solenoid valve malfunction | Wiring, direct clutch solenoid valve |
| P1764 | AT- direct clutch – solenoid valve malfunction | Wiring, direct clutch solenoid valve, transmission pressure switch 5 |
| P1767 | AT- high/low reverse solenoid valve – malfunction | Wiring, high/low reverse solenoid valve |
| P1769 | AT – high/low reverse solenoid valve – malfunction | Wiring, high/low reverse solenoid valve, transmission pressure switch 6 |
| P1772 | AT – low coast brake solenoid valve – malfunction | Wiring, low coast brake solenoid valve |
| P1774 | AT – low coast brake solenoid valve – malfunction | Wiring, low coast brake solenoid valve, transmission pressure switch 2 |
| P1775 | Torque Converter Clutch Solenoid Valve | |
| P1776 | Ignition Retard Request Duration Fault | |
| P1777 | CVT step motor – circuit malfunction | Wiring, step motor |
| P1778 | CVT step motor – mechanical malfunction | Step motor |
| P1780 | AT- shift change – signal malfunction | Wiring, TCM, ECM | P1800 – P1899 (Transmission) |
| P1800 | Intake manifold air control solenoid – circuit malfunction | Wiring, intake manifold air control solenoid |
| P1801 | Variable Intake Air System Control Solenoid Valve 2 | |
| P1805 | Brake pedal position (BPP) switch – circuit malfunction | Wiring, BPP switch |
| P1807 | Vehicle Speed Sensor A/T | |
| P1808 | Vehicle Speed Sensor ABS | |
| P1810 | 4 LO Switch | |
| P1813 | 4WD Shift Switch | |
| P1814 | Wait Detection Switch | |
| P1815 | Manual Mode Switch | |
| P1816 | Park/Neutral Position Switch | |
| P1817 | Actuator Motor | |
| P1818 | Actuator Position Switch | |
| P1819 | Transfer Control Device | |
| P1820 | Engine Speed Signal | |
| P1841 | Automatic Transmission Fluid Pressure Switch 1 | |
| P1843 | Automatic Transmission Fluid Pressure Switch 3 | |
| P1845 | Automatic Transmission Fluid Pressure Switch 5 | |
| P1846 | Automatic Transmission Fluid Pressure Switch 6 | P1900 – P1999 (Transmission) |
| P1900 | Engine coolant blower motor - circuit | Wiring, blower motor, ECM |
| U1000 | CAN communication line – signal malfunction | Wiring |
| U1001 | CAN communication line – signal malfunction | Wiring |
| U1010 | CAN communication line – initialization malfunction | Wiring, ECM |