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DTC B2277: Detecting Vehicle Submersion: Procedure

  1. CHECK FOR WATER DAMAGE 
    1. Check for any signs of water damage to the power management control ECU, surrounding parts, wire harnesses and connectors.
      RESULT

      Result Proceed to
      No signs of water damage A
      Signs of water damage B

    B → TAKE MEASURES AGAINST CAUSE OF WATER DAMAGE AND REPLACE POWER MANAGEMENT CONTROL ECU 

    A → See step   2 

  2. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL