ABS Module DTC C0051 Steering Angle Concerns With The PSCM
- The ABS module and PSCM communicate and compare steering wheel angle information. The ABS module may have steering angle sensor DTCs present (C0051:xx or C006B:xx) or a stability control symptom and the ABS pinpoint test may direct the installation of a new EPAS steering gear.
- Stability-traction control warning indicator illumination and traction control messages are normal under extra load conditions such as those experienced during towing, cross-winds, or gravel roads. There may also be some mechanical or electrical components which can contribute to the concern.
- The items listed below can potentially cause the steering wheel angle comparison differences to be outside the expected range resulting in a C0051:xx or C006B:xx DTC to set in the ABS module, the stability-traction control warning indicator to illuminate and a traction control message to appear in the message center.
Possible Source Action - Mechanical Components:
- Towing, driving in high cross-winds, or on gravel roads.
- Steering wheel is off center
- Suspension components damaged or loose
- Steering gear-to-frame or sub-frame attachments
- Alignment
- Electrical Components:
- DTCs present in the PSCM
- Steering wiring harness, grounds, or connectors
- Non steering wiring harness, grounds, or connectors
- Starter, alternator, charging system voltage levels low
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