DTC P0A1F-129: Battery Energy Control Module: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   DTC No.	Relevant Diagnosis
   P0A60 (all INF codes) *1	Driver Motor "A" Phase V current
   P0A63 (all INF codes) *1	Driver Motor "A" Phase W current
   P0A72 (all INF codes) *1	Generator Phase V current
   P0A75 (all INF codes) *1	Generator Phase W current

   HINT: 

   • *1: If any INF codes are output for this DTC, refer to the corresponding diagnostic flowchart.
   • Turning the power switch on (IG) with the service plug grip and inverter cover removed causes interlock switch system DTC P0A0D-350 to be output.
   • P0A1F-129 may be output due to a malfunction which causes the DTCs in the table above to be output. In this case, first troubleshoot the output DTCs in the table above. Then, perform a reproduction test to check that no DTCs are output.

NG → GO TO  DIAGNOSTIC TROUBLE CODE CHART  DTC CHART 

NO → See step   2