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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 AM: PSCM DTC U0140 Lost Communication With The BCM >> 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 BCM messages within a certain time frame. This can occur if the BCM 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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