DTC P0AA1-233 Hybrid Battery Positive Contactor Circuit Stuck Closed: Description
Refer to the circuit description for DTC P0AA1-224 .
This circuit uses the HV control ECU to monitor the system main relays and stops the system if a malfunction is detected in the relays, because it may be impossible to shut off the high-voltage system if any of the relays becomes stuck.
DTC DETECTION CONDITION - TROUBLE AREA CHART
| DTC No. | INF Code | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0AA1 | 233 | System main relays No. 1, No. 2, and No. 3 on the HV battery positive and negative side stuck closed | HV relay assembly |