Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Campaign - Throttle Position Sensor Replacement
    • Overview
    • Service Procedure
    • Owner Letter
• Customer Interest
  • Engine Controls - MIL ON, DTC P2135, Reduced Engine Power
  • Engine Controls - MIL ON/DTC P2135 Set
  • Engine - MIL ON P0116/P1400 Set In Very Cold Temps
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Lighting - Dome Lamps Inoperative/Buzzing Noise
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Customer Interest
    • Engine Controls - MIL ON, DTC P2135, Reduced Engine Power
    • Engine Controls - MIL ON/DTC P2135 Set
    • Engine - MIL ON P0116/P1400 Set In Very Cold Temps
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
    • Lighting - Dome Lamps Inoperative/Buzzing Noise
  • Hard Shifting
    • A/T - MIL ON/DTC P0757/Harsh or Slipping 2-3 Shift
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Inoperative
    • Lighting - Dome Lamps Inoperative/Buzzing Noise
  • No shift/Incorrect gear engagement
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Noise
    • Lighting - Dome Lamps Inoperative/Buzzing Noise
  • Overheating
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • Recalls
    • Campaign - Throttle Position Sensor Replacement
      • Overview
      • Service Procedure
      • Owner Letter
  • Slipping
    • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
    • A/T - MIL ON/DTC P0757/Harsh or Slipping 2-3 Shift
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
• 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 Controls - MIL ON, DTC P2135, Reduced Engine Power
  • Engine Controls - MIL ON/DTC P2135 Set
  • Campaign - Throttle Position Sensor Replacement
    • Overview
    • Service Procedure
    • Owner Letter
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • A/T Controls - Snapshot Data With Tech2(R) Information
  • Engine - MIL ON P0116/P1400 Set In Very Cold Temps
  • 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
  • Fuel System -07-06-04-022G End Of Need For Information
  • A/T Control - DTC P0756 Diagnostic Tips
  • Electrical - Reducing Intermittent Electrical Concerns
  • Emissions - Diagnostic Tips For DTC's P0443/P0455
  • A/T- Slips/Overheats/Won't Shift/MIL ON/DTCs P0218/P0894
  • A/T - MIL ON/DTC P0757/Harsh or Slipping 2-3 Shift
  • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Lighting - Dome Lamps Inoperative/Buzzing Noise
  • Engine/Transmission - Aftermarket Calibrations
  • Body Controls - Body Control Module (BCM) Grounds