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.
DTC Trigger
This DTC occurs when other modules do not receive the PSCM messages within a certain time frame. This can occur if the PSCM wiring harness or electrical connectors are loose or damaged, or if the vehicle battery state of charge levels are too low for the PSCM to initialize and power up in time to communicate with the other modules. Consult the DTC Index for additional information if needed.
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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.