Unable To Replicate Customer's Intermittent Assist Concern During A Test Drive

WARNING: This page is about a different car, the 2017 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Customers may report an intermittent power steering concern that may not replicate during a test drive session. TSBs, SSMs or DTCs may exist indicating the likely root cause. Retrieve all DTCs for the vehicle, as well as TSBs, and SSMs.

Possible Source	Action
If lost communication or voltage DTCs exist in the PSCM or other vehicle modules, possible sources can be: Fuse(s) Wiring, terminals or connectors	GO to Pinpoint Test A
If DTCs other than lost communication or voltage exist in the PSCM or other vehicle modules, the possible sources can be: Module internal fault - PSCM Module internal fault - other modules	REFER to the appropriate DTC Chart and CARRY OUT the diagnostics listed for the DTC.
If no DTCs are present in the PSCM or other vehicle modules, the concern could be indicated by a TSB or a SSM. TSBs existing for concern SSMs existing for concern	CHECK OASIS for associated TSBs and SSMs. FOLLOW all TSB and SSM instructions. If there are no DTCs present and there are no TSBs or SSMs associated with this concern and the concern cannot be verified, RETURN the vehicle to the customer.