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Home >> Chrysler >> 2021 >> Voyager LXi, Gas >> Repair and Diagnosis >> Transmission >> Automatic Trans >> (Electronic Shift Module (ESM) - Electrical Diagnostics - 948TE) >> DTC Troubleshooting >> U0074-00-Dedicated Powertrain (D-Pt) Can Bus Off >> Possible Causes

Possible Causes

Possible Causes
CAN DPT CIRCUIT OPEN, SHORTED TO GROUND, OR SHORTED TO VOLTAGE
ELECTRONIC SHIFT MODULE (ESM)
TRANSMISSION CONTROL MODULE (TCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE   .