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Home >> Lexus >> 2006 >> GS 430 >> Repair and Diagnosis >> Electrical >> Starter >> Starting (3UZ-FE) >> Smart Access System With Push-Button Start >> DTC B2277 Detecting Vehicle Submersion >> Description

DTC B2277 Detecting Vehicle Submersion: Description

This DTC is output when the submersion circuit monitor inside the power source control ECU detects that the vehicle is submerged in water.

DTC DETECTION CONDITION CHART

DTC No. DTC Detection Condition Trouble Area
B2277  Submersion circuit monitor inside power source control ECU detects that vehicle is submerged in water Power source control ECU
  1. CHECK FOR DTC 
    1. Delete the DTC.
    2. Check for DTCs again.

      OK: 

      No DTC is output. 

    NG : REPLACE POWER SOURCE CONTROL ECU 

    OK : END