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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1159 (EPAS Guided Routine Testing) >> Pinpoint Tests >> Pinpoint Test AS: PSCM DTC U023A Lost Communication With The IPMA >> DTC Trigger

DTC Trigger

WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.

This DTC sets when the PSCM does not receive the IPMA messages within a certain time frame. This can occur if the IPMA 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.

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