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Home >> Toyota >> 2016 >> Prius V Three >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - (Diagnostic Codes) (P0069-273 - P0A40-549) >> Hybrid Control System >> DTC P0A0F-204: Engine Failed to Start; DTC P0A0F-205: Engine Failed to Start; DTC P0A0F-206: Engine Failed to Start; DTC P0A0F-524: Engine Failed to Start; DTC P0A0F-525: Engine Failed to Start [08/2015 - ] >> Procedure

DTC P0A0F-204: Engine Failed to Start; DTC P0A0F-205: Engine Failed to Start; DTC P0A0F-206: Engine Failed to Start; DTC P0A0F-524: Engine Failed to Start; DTC P0A0F-525: Engine Failed to Start [08/2015 - ]: Procedure

  1. CHECK DTC OUTPUT (ENGINE AND ECT) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    4. Check if DTCs are output.

      Result

      Result Proceed to
      SFI system DTCs are not output. A
      SFI system DTCs are output. B

      HINT: 

      If P0A0F-204, 205, 206, 524, or 525 is output even though the ECM has not detected a malfunction, there is a malfunction in the power management control ECU.

    5. Turn the power switch off.

    B → Refer to   2 

    A → Refer to   3 

  2. GO TO DTC CHART (SFI SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2015 - ] 
  3. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  COMPONENTS [08/2015 - ]