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Home >> Audi >> 2018 >> A6 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 130 (Hybrid Control System (Diagnostic Codes (P0069-273 - P0A75-336))) >> Hybrid Control System >> DTC P0A1D-187: Hybrid Powertrain Control 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.

The power management control ECU performs diagnostic tests to verify proper operation of internal and external ECU systems. In one of these tests, the power management control ECU monitors specific RAM circuits of the power management control ECU. If the power management control ECU detects an error in the RAM circuits, it will conclude that there is an internal malfunction in the power management control ECU. The power management control ECU will illuminate the MIL and store a DTC.

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