Steering Mounted Controls Communication Module
- Description and Operation 
- Testing and Inspection - Reading and Clearing Diagnostic Trouble Codes
- Symptom Related Diagnostic Procedures- Checking Contact Reel
- Checking Front Windscreen Washer
- Checking Indicator Switch
- Checking Rear Windshield Washing
- Checking SWM Control Unit
- Checking the Audio / Carphone Switch
- Checking the Audio/Telephone Switch Unit
- Checking the Contact Reel
- Checking the Cruise Control Switch
- Checking the Cruise-Control Switch Unit
- Checking the Error Message
- Checking the Read and Reset Button on the Indicator Switch
- Checking the Read and Reset Button on the Turn Signal Lamp Switch
- Checking the Read Button on the Indicator Switch
- Checking the Read Button on the Turn Signal Lamp Switch
- Checking the RTI Switch
- Checking the Steering Wheel Buttons For RTI (Road Traffic Information)
- Checking the Steering Wheel Module
- Checking the Tailgate Wiper
- Checking the Turn Signal Lamp Switch
- Checking the Windscreen-Wiper Switch
- Checking the Windshield Wiper Switch
- Checking Windshield Washing
 
- Component Tests and General Diagnostics
- Scan Tool Testing and Procedures
- Pinout Values and Diagnostic Parameters
- Programming and Relearning
 
- Locations 
- Service and Repair