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 DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 11 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (5 OF 9))DTC INDEX
2019 Infiniti Q70 3.7 Luxe, AWD
DTC Index
2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Index
WARNING: This page is about a different variant/trim than selected.
DTC INDEX
| DTC | Description |
|---|---|
| DTC P0456 | EVAP CONTROL SYSTEM |
| DTC P0453 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| DTC P0460 | FUEL LEVEL SENSOR |
| DTC P0461 | FUEL LEVEL SENSOR |
| DTC P0462, P0463 | FUEL LEVEL SENSOR |
| DTC P0500 | VSS |
| DTC P0506 | ISC SYSTEM |
| DTC P0507 | ISC SYSTEM |
| DTC P050A, P050B, P050E | COLD START CONTROL |
| DTC P0520 | EOP SENSOR |
| DTC P0550 | PSP SENSOR |
| DTC P0603 | ECM POWER SUPPLY |
| DTC P0604 | ECM |
| DTC P0605 | ECM |
| DTC P0606 | ECM |
| DTC P0607 | ECM |
| DTC P060A | ECM |
| DTC P060B | ECM |
| DTC P0611 | ECM PROTECTION |
| DTC P062B | ECM |
| DTC P062F | ECM |
| DTC P0643 | SENSOR POWER SUPPLY |
| DTC P0850 | PNP SWITCH |
| DTC P100A, P100B | VVEL SYSTEM |
| DTC P1078, P1084 | EVT CONTROL POSITION SENSOR |
| DTC P1087, P1088 | VVEL SYSTEM |
| DTC P1089, P1092 | VVEL CONTROL SHAFT POSITION SENSOR |
| DTC P1090, P1093 | VVEL ACTUATOR MOTOR |
| DTC P1091 | VVEL ACTUATOR MOTOR RELAY |
| DTC P1148, P1168 | CLOSED LOOP CONTROL |
| DTC P1197 | OUT OF GAS |
| DTC P1212 | TCS COMMUNICATION LINE |
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.