DTC 139
DTC P0A1D/139 HYBRID POWERTRAIN CONTROL MODULECIRCUIT 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