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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Integrated Dual Charge Module (IDCM) - DTCS P160A-00 To U3502-00) >> DTC Troubleshooting >> U0074-00 Dedicated Powertrain (D-Pt) Can Bus Off >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
LOOSE OR POOR CONNECTION
FD-CAN 3 (-) OR FD-CAN 3(+) CIRCUIT SHORTED TO VOLTAGE
FD-CAN 3 (-) OR FD-CAN 3(+) CIRCUIT OPEN
FD-CAN 3 (-) OR FD-CAN 3 (+) CIRCUIT SHORTED TO GROUND
FD-CAN 3 (-) CIRCUIT AND FD-CAN 3 (+) CIRCUIT SHORTED TOGETHER
INTEGRATED DUAL CHARGE MODULE (IDCM)

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