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Home >> Lexus >> 2010 >> HS 250h >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control (Diagnostic Codes (P0AA6-526 - U0424-537) & Circuit Tests) >> Hybrid Control System >> DTC P0C30-390: Hybrid Battery Pack State of Charge High >> Procedure

DTC P0C30-390: Hybrid Battery Pack State of Charge High: Procedure

  1. CHECK FREEZE FRAME DATA 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
    4. Read the freeze frame data of DTC P0C30-390.

      Result

      Result Proceed to
      "WIN Control Power" is 0 W, and "SOC" is 70% or more. A
      Other than above B
    5. Turn the power switch off.

    B → See step   3 

    A: Go to next step 

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

      Result

      Result Proceed to
      P0C30-390 only is output. A
      DTCs other than P0C30-390 are output. B
    5. Turn the power switch off.

    B → See step   6 

    A → See step   7 

  3. REPLACE HYBRID VEHICLE CONTROL ECU 
    1. Remove the hybrid vehicle control ECU. Refer toCOMPONENTS .

    NEXT: Go to next step 

  4. REPLACE HV BATTERY ASSEMBLY 
    1. Remove the HV battery assembly. Refer toCOMPONENTS .

    NEXT: Go to next step 

  5. REPLACE BATTERY SMART UNIT 
    1. Remove the battery smart unit. Refer toCOMPONENTS .

    NEXT → COMPLETED 

  6. GO TO DTC CHART. Refer to DIAGNOSTIC TROUBLE CODE CHART 
  7. REPLACE HYBRID VEHICLE CONTROL ECU. Refer to COMPONENTS