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.
2016 Infiniti Q50 Base, AWDFACTORY OEM SERVICE PROCEDURE
DTC Related Item (Hybrid Control System)
WARNING: This page is about a different variant/trim than selected.
ECM transmits a self-diagnosis signal (each fail safe mode request) to HPCM via CAN communication, when applicable DTC are detected.
NOTE:
Refer to FAIL-SAFE , about fail safe mode of HYBRID CONTROL SYSTEM for detail.
| DTC No. | Description | Fail-safe mode |
|---|---|---|
| U0293, P0201, P0202, P0203, P0204, P0205, P0206, P0605, P0607, P1236, P2119, P31A5 | ECM transmits a self-diagnosis signal (fail safe mode request of motor driving) to HPCM via CAN communication, when applicable DTC are detected. | Motor driving |
| P0011, P0014, P0021, P0024, P0101, P0102, P0103, P010B, P010C, P010D, P0117, P0118, P0122, P0123, P0130, P0197, P0198, P0222, P0223, P0227, P0228, P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0335, P0340, P0345, P0605, P0643, P1078, P1084, P1217, P1233, P1236, P1238, P1290, P2096, P2097, P2098, P2099, P2100, P2101, P2103, P2118, P2119, P2132, P2133 | ECM transmits a self-diagnosis signal (fail safe mode request of limiting engine speed and idling stop inhibit) to HPCM via CAN communication, when applicable DTC are detected. |
|
| P0075, P0078, P0081, P0084, P0112, P0113, P0125, P0127, P0171, P0172, P0174, P0175, P0441, P0443, P0444, P0445, P0447, P0448, P0452, P0453 | ECM transmits an idle stop inhibit request signal to HPCM via CAN communication, when applicable DTC are detected. | Idling stop is prohibited. |
Factory Service Tools
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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.