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Diagnostic Test

  1. CHECK FOR AN ACTIVE DTC 
    1. With the scan tool, read the Steering Column Control Module (SCCM) DTCs and record on the repair order.

      Is the DTC active?

      Yes 

      • Go To  2

      No 

      • Test complete. The condition or conditions that originally set this DTC are not present at this time.
      • Perform the TESTING FOR AN INTERMITTENT CONDITION. Refer to: TESTING FOR AN INTERMITTENT CONDITION .
  2. CHECK THE RIGHT STEERING WHEEL SWITCH AND WIRING HARNESS 
    1. Visually and physically inspect the wiring harness between the Right Steering Wheel Switch (Speed Control Switch) harness connector and the SCCM C3 harness connector for damaged wires, connectors, and open/spread terminals.

      Were there any problems found?

      Yes 

      • Repair or replace the wiring harness as necessary.
      • Perform the BODY VERIFICATION TEST. Refer to: BODY VERIFICATION TEST .

      No 

      • Go To  3
  3. REPLACE THE RIGHT STEERING WHEEL SWITCH, ERASE DTCS AND CHECK FOR DTC TO RETURN. 
    1. Replace the Right Steering Wheel Switch (Speed Control Switch) in accordance to the Service Information. Refer to: SWITCH, SPEED CONTROL, REMOVAL and SWITCH, SPEED CONTROL, INSTALLATION .
    2. With the scan tool, read the Steering Column Control Module (SCCM) DTCs and record on the

      Did the DTC return?

      Yes 

      No