Diesel Data: Automotive Repair

P0A1D-159








P112 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A1D-159: Hybrid Powertrain Control Module

DTC P0A1D-159 - Hybrid Powertrain Control Module

DTC P0A1D-160 - Hybrid Powertrain Control Module

DESCRIPTION

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






MONITOR DESCRIPTION

The HV control ECU performs many diagnostic tests to verify proper operation of internal and external ECU systems. In one of these monitors, the HV control ECU checks the motor main CPU serial communication link.
If the HV control ECU detects a failure, it will conclude that there is an internal malfunction involving the HV control ECU to motor main CPU communication link. The HV control ECU will illuminate the MIL and set a DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE





INSPECTION PROCEDURE

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

PROCEDURE

1. REPLACE HYBRID VEHICLE CONTROL ECU
(a) Replace the hybrid vehicle control ECU Removal.
NEXT -- COMPLETED