Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Enabling Conditions And Possible Causes
| Faults | Monitoring Conditions | Set Conditions | Possible Causes |
|---|---|---|---|
| Hybrid/EV Battery Contactor Stuck Closed (P0AA1, P0AA4, P0AE2, P0D08, P0D0F) |
|
This DTC will set if the Battery Pack Control Module detects a fault with the battery contactor |
|
| Hybrid/EV Battery Contactor Stuck Open (P0AA2, P0AA5, P0AD9, P0ADD, P0AE3, P0D09, P0DOA, P0D10, P0E6D, P2BE8) |
|
This DTC will set if the Battery Pack Control Module detects a fault with the battery contactor |
|
| Hybrid/EV Battery Contactor Control Circuit Low (P0ADB, P0ADF, P0AE6, P0D0C, P0D13, P2BEA) |
|
This DTC will set if the Battery Pack Control Module detects a fault with internal contactor control circuit |
|
| Hybrid/EV Battery Contactor Control Circuit High (P0ADC, P0AE0, P0AE7, P0D0D, P0D14, P2BEB) |
|
This DTC will set if the Battery Pack Control Module detects a fault with internal contactor control circuit |
|
| HV Battery Contactor Control Sequence Incorrect (P1A21) |
|
This DTC will set if the Battery Pack Control Module (BPCM) detects a fault where the Electric Vehicle Control Unit (EVCU) is commanding excessive power from the (BPCM) Driver will be prompted to plug the vehicle into charging station |
|
Default Actions:
- The BEV Service Lamp will illuminate and the vehicle will not enable.
On vehicles equipped with the high voltage system, you must thoroughly read and follow all High Voltage Safety procedures. In addition, before performing any diagnostic or service procedure near a high voltage component, you must perform the High Voltage Power Down. Failure to follow these instructions may result in possible serious or fatal injury.
Always power down the High Voltage System before performing diagnostic tests or repairs to the High Voltage system. Refer to VEHICLE HIGH VOLTAGE POWER DOWN .
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.