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Home >> Toyota >> 2004 >> Matrix Base, FWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 532 (Hybrid Control System - Diagnosis) >> DTC P0A1F/123: Battery Energy Control Module >> Monitor Description

Monitor Description

WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

Upon receiving an abnormal signal input from the battery ECU, the HV control ECU illuminates the MIL and sets a DTC.