Dtc B2277 Detecting Vehicle Submersion

Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY

DESCRIPTION

INSPECTION PROCEDURE

CHECK WHETHER DTC OUTPUT RECURS

DTC B2277 Detecting Vehicle Submersion

DESCRIPTION

This DTC is stored when the submersion circuit monitor inside the main body ECU detects that the vehicle has been submerged in water.

DTC CodeDetection ConditionTrouble Area
B2277The submersion circuit monitor inside the main body ECU detects that the vehicle is submerged in water.Main body ECU

INSPECTION PROCEDURE

  • HINT:
  • Before commencing troubleshooting, check if the main body ECU is wet. If it is, replace the main body ECU.
1.CHECK WHETHER DTC OUTPUT RECURS

Clear the DTCs ().

Check whether DTC B2277 is output 30 seconds or more after the engine switch is turned on (IG).

  • OK:
  • No DTC is output.
NG
REPLACE MAIN BODY ECU
OK
USE SIMULATION METHOD TO CHECK ()