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Home >> Lincoln >> 2018 >> Navigator Select, 4WD >> Repair and Diagnosis >> Steering >> Electronic Steering >> EPAS Guided Routine Testing >> Pinpoint Tests >> Pinpoint Test BO: PSCM DTC U0554 Invalid Data Received from APIM >> DTC Trigger

DTC Trigger

This DTC sets when the PSCM does not receive the APIM messages within a certain time frame. This can occur if the APIM wiring harness or electrical connectors are loose or damaged, or if the vehicle battery state of charge levels are low. Consult the DTC Index for additional information if needed.