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Home >> Toyota >> 2012 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 114 (Hybrid Vehicle Control System (Diagnostic Codes (P0069-273 - P0A63-502)) (Hybrid)) >> 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 >> 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: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC OUTPUT (ENGINE CONTROL SYSTEM) 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
    4. Check if DTCs are output.

      Result

      Result Proceed to
      Engine control system DTCs are not output. A
      Engine control 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 hybrid vehicle control ECU.

    5. Turn the ignition switch off.

    B → See step   2 

    A → See step   3 

  2. GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART 
  3. REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL