P0A1D-149

P112 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: P0A1D-148: Hybrid Powertrain Control Module

DTC P0A1D-148 - Hybrid Powertrain Control Module

DTC P0A1D-149 - 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 ECU systems. In one of these diagnostics, the HV control ECU performs a self-test.
If the HV control ECU detects an internal problem during this self-test, it will conclude that there is an internal malfunction. 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 are present, replace the HV control ECU.

PROCEDURE

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