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.
2012 Infiniti M35hFACTORY OEM SERVICE PROCEDURE
Power Steering Control System DTCS
STEERING CONTROL SYSTEM (HYBRID EPS SYSTEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC C1601 | BATTERY POWER SUPPLY |
| DTC C1604 | TORQUE SENSOR |
| DTC C1606 | POWER STEERING MOTOR |
| DTC C1607, C1608 | POWER STEERING CONTROL MODULE |
| DTC C1609 | VEHICLE SPEED SIGNAL |
| DTC C1612 | FLOW CONNECTION VALVE |
| DTC C1614 | POWER STEERING FLUID LEAK |
| DTC U0428 | STEERING ANGLE SENSOR MODULE |
| DTC U1000 | CAN COMM CIRCUIT |
| DTC U1010 | CONTROL UNIT (CAN) |
| DTC U14FE | HPCM |
| DTC U14FF | VEHICLE SPEED SIGNAL (METER) |
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.
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