Steering Control Module (SCM) - Electrical Diagnostics

• Diagnostic Code Index
• DTC Troubleshooting
  • B1489-Steering Wheel Control Audio Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148A-Steering Wheel Control Menu Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148B-Steering Wheel Control Up Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148C-Steering Wheel Control Down Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148D-Steering Wheel Control Side Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148E-Steering Wheel Control [+] Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B148F-Steering Wheel Control [-] Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B1490-Steering Wheel Control C/T Switch Circuit
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B2225-Steering Control Module Internal
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • B2332-Horn Switch Input Circuit/Performance
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • C1219-Steering Angle Sensor Erratic Performance
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • P0562-Battery Voltage Low
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • P0563-Battery Voltage High
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • P0585-Speed Control Multiplexed Switch 1/2 Correlation
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • P1593-Speed Control Switch 1/2 Stuck
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0002-Can C Bus Off Performance
    • Notes
    • Diagnostic Test
  • U0019-Can B Bus Circuit
    • Notes
    • Diagnostic Test
  • U0121-Lost Communication With Anti-Lock Brake System (Abs) Control Module
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0141-Lost Communication With Front Control Module (TIPM)
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0155-Lost Communication With Cluster / CCN
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U0212-Lost Communication With Steering Column Control Module
    • Notes
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test
  • U1109-Lost Communication With Lin Steering Wheel Controls
    • Notes
    • Theory Of Operation
    • When Monitored:
    • Set Condition:
    • Possible Causes
    • Diagnostic Test