Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXENGINE CONTROL SYSTEM DTCSENGINE CONTROL SYSTEM (5.6L)
2019 Infiniti Q70 3.7 Luxe, AWD
Engine Control System (5.6L)
2019 Infiniti Q70 3.7 Luxe, AWDSECTION Engine Control System (5.6L)
DTC INDEX
| DTC | Description |
|---|---|
| U0101 | CAN COMM CIRCUIT |
| U0113 | CAN COMM CIRCUIT |
| U1001 | CAN COMM CIRCUIT |
| U1024 | CAN COMM CIRCUIT |
| P0011 | IVT CONTROL |
| P0014 | EVT CONTROL |
| P0030 | A/F SENSOR 1 HEATER |
| P0031 | A/F SENSOR 1 HEATER |
| P0037 | HO2S2 HEATER |
| P0053 | A/F SENSOR 1 HEATER |
| P0059 | A/F SENSOR 1 HEATER |
| P0075 | IVT CONTROL SOLENOID VALVE |
| P0078 | EVT CONTROL SOLENOID VALVE |
| P0087 | FRP CONTROL SYSTEM |
| P0088 | FRP CONTROL SYSTEM |
| P0090 | HIGH PRESSURE FUEL PUMP |
| P00D2 | HO2S2 HEATER |
| P0101 | MAF SENSOR |
| P0102 | MAF SENSOR |
| P010A | MANIFOLD ABSOLUTE PRESSURE SENSOR |
| P0111 | IAT SENSOR |
| P0112 | IAT SENSOR |
| P0116 | ECT SENSOR |
| P0117 | ECT SENSOR |
| P0122 | TP SENSOR |
| P0125 | ECT SENSOR |
| P0127 | IAT SENSOR |
| P0128 | THERMOSTAT FUNCTION |
| P0130 | A/F SENSOR 1 |
| P0131 | A/F SENSOR 1 |
| P0132 | A/F SENSOR 1 |
| P0136 | AIR FUEL RATIO SENSOR 2 |
| P0137 | HO2S2 |
| P0138 | HO2S2 |
| P0139 | HO2S2 |
| P014C | A/F SENSOR 1 |
| P0156 | HEATED OXYGEN SENSOR 2 |
| P0171 | FUEL INJECTION SYSTEM FUNCTION |
| P0172 | FUEL INJECTION SYSTEM FUNCTION |
| P0181 | FTT SENSOR |
| P0182 | FTT SENSOR |
| P0190 | FRP SENSOR |
| P0191 | FRP SENSOR |
| P0196 | EOT SENSOR |
| P0197 | EOT SENSOR |
| P0201 | INJECTOR |
| P0222 | TP SENSOR |
| P0300 | MISFIRE |
| P0315 | CKP SENSOR (POS) |
| P0326 | KNOCK SENSOR |
| P0327 | KS |
| P0331 | KNOCK SENSOR |
| P0335 | CKP SENSOR |
| P0340 | CMP SENSOR |
| P0420 | THREE WAY CATALYST FUNCTION |
| P0441 | EVAP CONTROL SYSTEM |
| P0443 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| P0444 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| P0447 | EVAP CANISTER VENT CONTROL VALVE |
| P0448 | EVAP CANISTER VENT CONTROL VALVE |
| P0451 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| P0452 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| P0454 | EVAP SYSTEM PRESSURE SENSOR |
| P0456 | EVAP CONTROL SYSTEM |
| P0453 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| P0460 | FUEL LEVEL SENSOR |
| P0461 | FUEL LEVEL SENSOR |
| P0462 | FUEL LEVEL SENSOR |
| P0500 | VSS |
| P0506 | ISC SYSTEM |
| P0507 | ISC SYSTEM |
| P050A | COLD START CONTROL |
| P0520 | EOP SENSOR |
| P0550 | PSP SENSOR |
| P0603 | ECM POWER SUPPLY |
| P0604 | ECM |
| P0605 | ECM |
| P0606 | ECM |
| P0607 | ECM |
| P060A | ECM |
| P060B | ECM |
| P0611 | ECM PROTECTION |
| P062B | ECM |
| P062F | ECM |
| P0643 | SENSOR POWER SUPPLY |
| P0850 | PNP SWITCH |
| P100A | VVEL SYSTEM |
| P1078 | EVT CONTROL POSITION SENSOR |
| P1087 | VVEL SYSTEM |
| P1089 | VVEL CONTROL SHAFT POSITION SENSOR |
| P1090 | VVEL ACTUATOR MOTOR |
| P1091 | VVEL ACTUATOR MOTOR RELAY |
| P1148 | CLOSED LOOP CONTROL |
| P1197 | OUT OF GAS |
| P1212 | TCS COMMUNICATION LINE |
| P1217 | ENGINE OVER TEMPERATURE |
| P1220 | FUEL PUMP CONTROL MODULE (FPCM) |
| P1225 | TP SENSOR |
| P1226 | TP SENSOR |
| P1233 | ELECTRIC THROTTLE CONTROL FUNCTION |
| P1236 | THROTTLE CONTROL MOTOR |
| P1238 | ELECTRIC THROTTLE CONTROL ACTUATOR |
| P1239 | TP SENSOR |
| P1423 | COLD START CONTROL |
| P1550 | BATTERY CURRENT SENSOR |
| P1551 | BATTERY CURRENT SENSOR |
| P1553 | BATTERY CURRENT SENSOR |
| P1554 | BATTERY CURRENT SENSOR |
| P1556 | BATTERY TEMPERATURE SENSOR |
| P1564 | ASCD STEERING SWITCH |
| P1564 | ICC STEERING SWITCH |
| P1568 | ICC FUNCTION |
| P1572 | ASCD BRAKE SWITCH |
| P1572 | ICC BRAKE SWITCH |
| P1574 | ASCD VEHICLE SPEED SENSOR |
| P1574 | ICC VEHICLE SPEED SENSOR |
| P1606 | VVEL CONTROL MODULE |
| P1607 | VVEL CONTROL MODULE |
| P1608 | VVEL SENSOR POWER SUPPLY |
| P1715 | INPUT SPEED SENSOR |
| P1805 | BRAKE SWITCH |
| P2096 | A/F SENSOR 1 |
| P2100 | THROTTLE CONTROL MOTOR RELAY |
| P2122 | APP SENSOR |
| P2127 | APP SENSOR |
| P2138 | APP SENSOR |
| P219A | AIR FUEL RATIO |
| P219C | AIR FUEL RATIO |
| P2237 | A/F SENSOR1 (B1) |
| P2238 | A/F SENSOR1 (B1) |
| P2239 | A/F SENSOR1 (B1) |
| P2240 | A/F SENSOR1 (B2) |
| P2241 | A/F SENSOR1 (B2) |
| P2242 | A/F SENSOR1 (B2) |
| P2251 | A/F SENSOR1 (B1) |
| P2252 | A/F SENSOR1 (B1) |
| P2253 | A/F SENSOR1 (B1) |
| P2254 | A/F SENSOR1 (B2) |
| P2255 | A/F SENSOR1 (B2) |
| P2256 | A/F SENSOR1 (B2) |
| P2610 | ECM INTERNAL TIMER |
| P2271 | HO2S2 (B1) |
| P2273 | HO2S2 (B2) |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.