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Home >> Lexus >> 2002 >> ES 300 >> Repair and Diagnosis >> External Pages >> Different car >> Section 136 (Hybrid Control System - Diagnosis) >> DTC P0A1D/393: Hybrid Powertrain Control Module >> Circuit Description
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Circuit 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.

The HV control ECU performs self-checks to detect an internal operating malfunction in the ECU.

DTC P0A1D/393 CIRCUIT DESCRIPTION

DTC No. INF Code DTC Detection Condition Trouble Area
P0A1D 393 HV control ECU internal error HV control ECU