Diesel Data: Automotive Repair

DTC 139

DTC P0A1D/139 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 vehicle systems. One of these monitors checks the inside of the HV control ECU for a bad integrated circuit which actuates a relay. If the HV control ECU detects malfunction, it will illuminate the MIL and set a DTC.

INSPECTION PROCEDURE

If the above information (INF) code is present, replace the HV control ECU.

REPLACE HYBRID VEHICLE CONTROL ECU