Toyota Tundra Service Manual: Parts Location

On-vehicle Inspection

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Toyota Tundra Service Manual > Blind Spot Monitor System: Software Incompatibility with Body Control Module "B" (U1331)
DESCRIPTION This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors. DTC Code DTC Detection Condition Trouble Area U1331 Destination information of the main body ECU (multiplex network body ECU) and b ...