LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2013 >> GS 450h >> Repair and Diagnosis (Single Page) >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Battery Control System (Diagnostic Codes (P0A7F-123 - P029A-123)) >> 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; DTC P3025-123: Battery Block 15 Becomes Weak; DTC P3026-123: Battery Block 16 Becomes Weak; DTC P3027-123: Battery Block 17 Becomes Weak; DTC P3028-123: Battery Block 18 Becomes Weak; DTC P3029-123: Battery Block 19 Becomes Weak; DTC P302F-123: Battery Block 20 Becomes Weak >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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; DTC P3025-123: Battery Block 15 Becomes Weak; DTC P3026-123: Battery Block 16 Becomes Weak; DTC P3027-123: Battery Block 17 Becomes Weak; DTC P3028-123: Battery Block 18 Becomes Weak; DTC P3029-123: Battery Block 19 Becomes Weak; DTC P302F-123: Battery Block 20 Becomes Weak: Procedure

  1. CHECK FOR DTCS (HYBRID CONTROL) See step   1 

    B → See step   6 

    A: Go to next step 

  2. CHECK BATTERY SMART UNIT See step   2 

    B → See step   3 

    A → See step   5 

  3. CHECK FOR DTCS (HYBRID CONTROL) 
    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
      P3014-123 is not output. A
      P3014-123 is output. B

      HINT: 

      DTC P3014-123 may also stored if there is foreign matter, etc. adhering to the connecting part of the service grip.

    5. Turn the power switch off.

    B → REPLACE SERVICE PLUG GRIP AND HV BATTERY 

    A → See step   4 

  4. REPLACE HV BATTERY. Refer to  REMOVAL [03/2012 - ] 
  5. REPLACE BATTERY SMART UNIT. Refer to  REMOVAL [03/2012 - ] 
  6. GO TO DTC CHART (P0AFC-123). Refer to  DTC P0AFC-123: Hybrid Battery Pack Sensor Module