P0A1D-187
Diagnostic trouble codes
DESCRIPTION
The HV control ECU monitors internal operations and detects a malfunction.| DTC No. |
INF Code |
DTC Detection Condition |
Trouble Area |
| P0A1D |
187 |
ECU internal error |
HV control ECU |
MONITOR DESCRIPTION
The HV control ECU performs diagnostic monitoring to verify proper operation of internal and external ECU systems. In one of these diagnostics, the HV control ECU monitors the important RAM circuits of the HV control ECU. If the HV control ECU detects an error in the important RAM circuits, it will conclude that there is an internal malfunction in the HV control ECU. The HV control ECU will illuminate the MIL and set a DTC.INSPECTION PROCEDURE
| 1. REPLACE HYBRID VEHICLE CONTROL ECU |
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