Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Recall - PCM Integrated Circuit Chip Damage
    • Overview
    • Owner Letter
• Customer Interest
  • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Fuel System - MIL ON/DTC's P0455/P0442
  • Engine Controls - SES Lamp ON/MultipleDTC's Set
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • Fuel System - SES Lamp ON/DTC P0463 Set
  • Emissions - SES Lamp ON/DTC P0446/Hard To Refuel
  • Body Controls - SVS Lamp ON/Multiple DTC's Set
  • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • Customer Interest
    • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Fuel System - MIL ON/DTC's P0455/P0442
    • Engine Controls - SES Lamp ON/MultipleDTC's Set
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
    • Fuel System - SES Lamp ON/DTC P0463 Set
    • Emissions - SES Lamp ON/DTC P0446/Hard To Refuel
    • Body Controls - SVS Lamp ON/Multiple DTC's Set
    • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
  • Driveability
    • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
  • Hard Shifting
    • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
  • Inoperative
    • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • No shift/Incorrect gear engagement
    • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • Noise
    • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • Recalls
    • Recall - PCM Integrated Circuit Chip Damage
      • Overview
      • Owner Letter
  • Slipping
    • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
  • Starting problems
    • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
• All Technical Service Bulletins
  • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • A/T Controls - Snapshot Data With Tech2(R) Information
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • A/T Control - DTC P0756 Diagnostic Tips
  • Fuel System - MIL ON/DTC's P0455/P0442
  • Electrical - Reducing Intermittent Electrical Concerns
  • A/T - Diagnostic Information for DTC's P0894/P1870
  • Engine Controls - SES Lamp ON/MultipleDTC's Set
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Emissions - OBDII I/M Readiness Testing
  • Engine Controls - MIL Function During I/M Testing
  • Electrical - Numerous System Concerns/DTC's/SES Lamp ON
  • Accessories - DTC's P0300, P1380, P1381
  • Fuel System - SES Lamp ON/DTC P0463 Set
  • Engine, A/T Controls - Shared Diagnostic Trouble Codes
  • Emissions - SES Lamp ON/DTC P0446/Hard To Refuel
  • Body Controls - SVS Lamp ON/Multiple DTC's Set
  • Electrical - Harness Connection Inspection
  • A/T/Engine Controls - Mid-Year Production Change
  • A/T - 4T65E Poor Performance/Harsh Shifts/DTC's Set
  • Recall - PCM Integrated Circuit Chip Damage
    • Overview
    • Owner Letter
  • Engine Controls - PCM Programming Information
  • Body Control Module - PSCM or OnStar Module DTC's