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Home >> Audi >> 2018 >> A6 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Hybrid Control System (Diagnostic Codes (P0C73-776 - U0424-537) & Circuit Tests))) >> Hybrid Control System >> DTC U0100-530: Lost Communication with ECM / PCM "A"; DTC U0129-527: Lost Communication with Brake System Control Module; DTC U0129-528: Lost Communication with Brake System Control Module; DTC U0140-146: Communication Error from Body ECU to HV ECU; DTC U0151-763: Communication Error from Airbag ECU to HV ECU; DTC U0164-827: Communication Error from A/C ECU to HV ECU; DTC U1107-436: Lost Communication with Power Management Module [08/2013 - ] >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

If the power management control ECU detects a CAN communication error with the ECU, it will illuminate the MIL and store a DTC.