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Home >> Lexus >> 2012 >> LS 460L AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Smart Access System With Push-Button Start (Diagnostic Codes & Symptom Tests)) >> Smart Access System With Push-Button Start >> DTC B2277: Detecting Vehicle Submersion >> Procedure

DTC B2277: Detecting Vehicle Submersion: Procedure

WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK WHETHER DTC OUTPUT RECURS 
    1. Clear the DTCs. Refer to DTC CHECK/CLEAR .
    2. Check whether DTC B2277 recurs 30 seconds or more after the engine switch is turned on (IG).

      OK

      No DTC is output.

    NG → REPLACE MAIN BODY ECU 

    OK → END (SYSTEM IS OK) 

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