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Home >> Toyota >> 2013 >> Prius Two >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Battery Management Systems >> Hybrid Battery System (Diagnostic Codes (P0A7F-123-U029A-123)) (Except Plug-In) >> Hybrid Battery System >> DTC P3011-123: Battery Block 1 Becomes Weak; DTC P3012-123: Battery Block 2 Becomes Weak; DTC P3013-123: Battery Block 3 Becomes Weak; DTC P3014-123: Battery Block 4 Becomes Weak; DTC P3015-123: Battery Block 5 Becomes Weak; DTC P3016-123: Battery Block 6 Becomes Weak; DTC P3017-123: Battery Block 7 Becomes Weak; DTC P3018-123: Battery Block 8 Becomes Weak; DTC P3019-123: Battery Block 9 Becomes Weak; DTC P3020-123: Battery Block 10 Becomes Weak; DTC P3021-123: Battery Block 11 Becomes Weak; DTC P3022-123: Battery Block 12 Becomes Weak; DTC P3023-123: Battery Block 13 Becomes Weak; DTC P3024-123: Battery Block 14 Becomes Weak >> Procedure
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DTC P3011-123: Battery Block 1 Becomes Weak; DTC P3012-123: Battery Block 2 Becomes Weak; DTC P3013-123: Battery Block 3 Becomes Weak; DTC P3014-123: Battery Block 4 Becomes Weak; DTC P3015-123: Battery Block 5 Becomes Weak; DTC P3016-123: Battery Block 6 Becomes Weak; DTC P3017-123: Battery Block 7 Becomes Weak; DTC P3018-123: Battery Block 8 Becomes Weak; DTC P3019-123: Battery Block 9 Becomes Weak; DTC P3020-123: Battery Block 10 Becomes Weak; DTC P3021-123: Battery Block 11 Becomes Weak; DTC P3022-123: Battery Block 12 Becomes Weak; DTC P3023-123: Battery Block 13 Becomes Weak; DTC P3024-123: Battery Block 14 Becomes Weak: Procedure

  1. CHECK DTC OUTPUT (DTC P0AFC-123 IS OUTPUT) See step   1 

    B → GO TO  DIAGNOSTIC TROUBLE CODE CHART 

    A: Go to next step 

  2. CHECK BATTERY SMART UNIT See step   2 

    B → See step   3 

    A → See step   5 

  3. CHECK DTC OUTPUT (DTC P3015-123 IS OUTPUT) 
    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
      DTC P3015-123 is output. A
      DTC P3015-123 is not output. B
    5. Turn the power switch off.

    B → See step   4 

    A → REPLACE SERVICE PLUG GRIP AND HV BATTERY ASSEMBLY 

  4. REPLACE HV BATTERY ASSEMBLY. Refer to  COMPONENTS 
  5. REPLACE BATTERY SMART UNIT. Refer to  COMPONENTS