DTC P0A1F-129: Battery Energy Control Module: Procedure
- CHECK DTC OUTPUT (HV)
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG).
- Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
- Check if DTCs are output.
Result
Result Proceed to P0A1F-129 only is output. A Any of the following DTCs are also output. B DTC No. Relevant Diagnosis P0A1A (all INF codes) *1 Generator Control Module P0A1B (all INF codes) *1 Drive Motor "A" Control Module P0A1D (all INF codes) *1 Hybrid Powertrain Control Module HINT:
- *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic flowchart.
- P0A1F-129 may be set due to a malfunction which also causes DTCs in the preceding table to be set. In this case, first troubleshoot the output DTCs in the preceding table. Then, perform a test to attempt to reproduce the problems, and check that no DTCs are output.
B → See step 3
A → See step 2
- REPLACE BATTERY SMART UNIT. Refer to REMOVAL
- GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART