Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Diagnosis System

Dtc Check / Clear

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Toyota Tundra Service Manual > Can Communication System: Lost Communication with Gateway Module (U1002)
DESCRIPTION The main body ECU (multiplex network body ECU) stores this DTC when no signals can be received from the ECUs that have been memorized as those connected to the sub bus 1. When the main body ECU (multiplex network body ECU) receives a response signal from the ECUs connected to the sub bus ...