Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
  • Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • No shift/Incorrect gear engagement
    • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
• All Technical Service Bulletins
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • A/T Control - DTC P0756 Diagnostic Tips
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • A/T - 4L80-E 2nd Gear only After A Cold Start/DTC 87
  • PCM - Returned Product Feedback Program
  • PROM - Reprogram Using Off Board Program Adapter