Power and Ground Distribution: Technical Service Bulletins

• Recalls
  • Campaign - Instrument Panel Wiring Reversed
    • Overview
    • Owner Letter
  • Campaign - ECM/TCM/Wiring Update For Battery Charging
    • Overview
    • Owner Letter
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Check Engine Light Illuminated/DTC P0AA1
  • Audio System - Noise When Using OnStar(R)
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Check Engine Light Illuminated/DTC P0AA1
    • Audio System - Noise When Using OnStar(R)
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Noise
    • Audio System - Noise When Using OnStar(R)
  • Recalls
    • Campaign - Instrument Panel Wiring Reversed
      • Overview
      • Owner Letter
    • Campaign - ECM/TCM/Wiring Update For Battery Charging
      • Overview
      • Owner Letter
• All Technical Service Bulletins
  • Electrical - Aftermarket Interface Devices Causing Issues
  • Electrical - Ground Repair Information
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Check Engine Light Illuminated/DTC P0AA1
  • Electrical - Reducing Intermittent Electrical Concerns
  • Electrical - Instrument Panel And General Wiring Repair
  • Campaign - Instrument Panel Wiring Reversed
    • Overview
    • Owner Letter
  • Campaign - ECM/TCM/Wiring Update For Battery Charging
    • Overview
    • Owner Letter
  • Electrical - Aftermarket Fuse Warning
  • Audio System - Noise When Using OnStar(R)
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power