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Home >> Jeep >> 2017 >> Wrangler Rubicon, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 ((Drivetrain Control Module (DTCM) - Electrical Diagnostics)) >> DTC Troubleshooting >> U1204-00-RDM Lost Communication With DTCM >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 Jeep Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
RDM AXLE SHAFT ACTUATOR FUSED B(+) CIRCUIT OPEN OR SHORTED
RDM AXLE SHAFT ACTUATOR FUSED IGNITION RUN/START CONTROL OUTPUT CIRCUIT OPEN OR SHORTED
RDM AXLE SHAFT ACTUATOR GROUND CIRCUIT OPEN
RDM AXLE SHAFT ACTUATOR PRIVATE CAN (+) CIRCUIT OPEN
RDM AXLE SHAFT ACTUATOR PRIVATE CAN (-) CIRCUIT OPEN
REAR DRIVELINE MODULE (RDM) AXLE SHAFT ACTUATOR
DTCM