DTC 164

DTC P0A1D/164 HYBRID POWERTRAIN CONTROL MODULE

CIRCUIT DESCRIPTION

DTC Detection Condition:

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

MONITOR DESCRIPTION

Monitor Strategy:

Typical Enabling Conditions:

Typical Malfunction Thresholds:

Component Operating Range:

The HV control ECU performs diagnostic monitoring to verify proper operation of internal and external ECU systems. In one of these monitors, the HV control ECU monitors the power supply for the motor main CPU. If the HV control ECU detects a failure in the power supply for the motor main CPU, it will illuminate the MIL and set a DTC.

INSPECTION PROCEDURE

If any of the above information (INF) codes is present, replace the HV control ECU.

REPLACE HYBRID VEHICLE CONTROL ECU