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Home >> Jeep >> 2019 >> Grand Cherokee Trackhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 ((Steering Column Control Module (SCCM) Electrical Diagnostics)) >> DTC Troubleshooting >> U121E-00-Lost Communication With Steering Wheel Cruise Control Switch >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2018 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH) UNPLUGGED, POOR CONNECTION OR WIRING HARNESS
RIGHT STEERING WHEEL SWITCH (SPEED CONTROL SWITCH)
STEERING COLUMN CONTROL MODULE (SCCM)
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