Computers and Control Systems: Technical Service Bulletins

• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Electrical - MIL ON/Multiple DTC's Set/Hard Or No Start
  • Engine Controls - MIL ON/DTC's P0411 or P2444 Set
  • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • A/T - Harsh Shifts/Slipping/DTCs P0741/P0742/P0757/P842
  • Fuel System - MIL ON/Multiple ECM 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 - MIL ON/Multiple DTC's Set/Hard Or No Start
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Electrical - MIL ON/Multiple DTC's Set/Hard Or No Start
    • Engine Controls - MIL ON/DTC's P0411 or P2444 Set
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
    • A/T - Harsh Shifts/Slipping/DTCs P0741/P0742/P0757/P842
    • Fuel System - MIL ON/Multiple ECM DTC's Set
  • False instrument warning light/gauges
    • Engine Controls - MIL ON/DTC's P0411 or P2444 Set
  • Hard Shifting
    • A/T - Harsh Shifts/Slipping/DTCs P0741/P0742/P0757/P842
  • No shift/Incorrect gear engagement
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • Overheating
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • Slipping
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
    • A/T - Harsh Shifts/Slipping/DTCs P0741/P0742/P0757/P842
  • Starting problems
    • Electrical - MIL ON/Multiple DTC's Set/Hard Or No Start
• All Technical Service Bulletins
  • Electrical - Aftermarket Interface Devices Causing Issues
  • Engine Controls - Non-GM Engine/Transmission Calibration ID
    • Overview
    • Table of Contents
    • Sections
      • Section 1
      • Section 2
      • Section 3
      • Section 4
      • Section 5
      • Section 6
      • Section 7
      • Section 8
      • Section 9
      • Section 10
      • Section 11
      • Section 12 - Waranty Information
  • 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
  • Body Controls - Unable To Reprogram Body Control Module
  • Electrical - MIL ON/Multiple DTC's Set/Hard Or No Start
  • A/T Control - DTC P0756 Diagnostic Tips
  • Engine Controls - MIL ON/DTC's P0411 or P2444 Set
  • Electrical - Reducing Intermittent Electrical Concerns
  • Ignition System - Revised Ignition Module/Coil DTC's
  • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • A/T - Harsh Shifts/Slipping/DTCs P0741/P0742/P0757/P842
  • Fuel System - MIL ON/Multiple ECM DTC's Set
  • Engine/Transmission - Aftermarket Calibrations
  • Body Controls - Body Control Module (BCM) Grounds