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DTC P0AA1-233 Hybrid Battery Positive Contractor Circuit Stuck Closed: Description

Refer to DTC P0AE7 (INF 224)  .

Because it might be impossible to shut off the high-voltage system if any one of the No. 1 to No. 3 system main relays becomes stuck, the HV control ECU monitors the 3 relays and stops the system if malfunction is found in either relay.

DTC DETECTION CONDITION AND TROUBLE AREA

DTC No. INF Code DTC Detection Condition Trouble Area
P0AA1 233 System main relay terminals of HV battery positive and negative sides stuck closed
  • No. 1 system main relay
  • No. 2 system main relay
  • No. 3 system main relay
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