Component Tests and General Diagnostics

Multifunction Steering Wheel, Troubleshooting, Up To 11.10

The Multifunction steering wheel control module (J453) communicates with Steering column electronics control module (J527). Data commands are processed there once more for further communication.

Multifunction Steering Wheel has On Board Diagnostic (OBD) capabilities.

To fault find, use "Guided Fault Finding" in the Vehicle Diagnosis Tester.

• Before troubleshooting or servicing, technicians must be familiar with the functions and operation specifics of the Multifunction Steering Wheel. Always read the owner's manual and review specific Communication system functions.

• Refer to the Owner's Manual.