Toyota Tundra Service Manual: Diagnostic Trouble Code Chart

Diagnosis System

Dtc Check / Clear

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Toyota Tundra Service Manual > Can Communication System: Check Bus 3 Line for Short to GND
DESCRIPTION There may be a short circuit between one of the CAN bus wires and +B when no resistance exists between terminal 6 (CA3H) of the central gateway ECU (network gateway ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway ECU (network gateway ECU) and terminal 4 ...