LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Hybrid Control System (HEV) - Diagnostic Codes (1 Of 4)) >> HYBRID CONTROL SYSTEM (for M20A-FXS) >> DTC P0A1F-94: Hybrid/EV Battery Energy Control Module Unexpected Operation [12/2022 - ] >> Procedure

DTC P0A1F-94: Hybrid/EV Battery Energy Control Module Unexpected Operation [12/2022 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (HYBRID CONTROL) 

    Pre-procedure1

    • None.
    • Check for DTCs.

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      Only P0A1F-94 is output A
      P0A1F-94 and other DTCs are output B

    Post-procedure1

    • Turn the ignition switch off.

    Result: 

    REPLACE BATTERY ECU ASSEMBLY. Refer to  REMOVAL [12/2022 - ] 

    Result: 

    GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [12/2022 - ]