(Steering Column Control Module (SCCM) - Electrical Diagnostics - 2500HD)

• Diagnostic Code Index
• DTC Troubleshooting
  • B1425-2A-Remote Radio Switch Input - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B1504-2A-Left Steering Wheel Control Switch - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B2306-2A-Front Washer Switch - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B232E-00-Rear Washer Switch - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B2332-2A-Horn Switch - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • B23A1-2A-Flash To Pass/Optical Horn Switch - Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C1219-00-Steering Angle Sensor Erratic Performance
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • C121A-00-Steering Angle Sensor Not Initialized
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • C123F-00-Steering Angle Sensor Comparative Performance
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • C1240-76-Steering Angle Sensor Angle OVERTRAVEL Performance - Wrong Mounting Position
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • C1241-00-Steering Angle Sensor Velocity Performance
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • C2129-16-Battery Voltage - Circuit Voltage Below Threshold
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C2129-17-Battery Voltage - Circuit Voltage Above Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C212A-16-System Voltage - Circuit Voltage Below Threshold
    • Notes
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C212A-17-System Voltage - Circuit Voltage Above Threshold
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • C2205-00-Steering Angle Sensor Internal
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test
  • P0579-00-Speed Control Switch 1 Performance
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0580-00-Speed Control Switch 1 Circuit Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0581-00-Speed Control Switch 1 Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0585-00-Speed Control Switch 1/2 Correlation
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0591-00-Speed Control Switch 2 Performance
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0592-00-Speed Control Switch 2 Circuit Low
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P0593-00-Speed Control Switch 2 Circuit High
    • Notes
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • P1593-2A-Speed Control Switch 1/2 Stuck
    • Theory Of Operation
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0002-00-Can C Bus Off Performance
  • U0100-00-Lost Communication With ECM/Pcm
  • U0146-00-Lost Communication With Central Gateway
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U0155-00-Lost Communication With Cluster-CCN
  • U1008-00-Lin 1 Bus
    • When Monitored
    • Set Condition
    • Possible Causes
    • Diagnostic Test
  • U1009-00-Lin 2 Bus
    • Theory Of Operation
    • When Monitored And Set Conditions
      • Notes
      • When Monitored
      • Set Condition
      • Possible Causes
    • Diagnostic Test