Computers and Control Systems: Technical Service Bulletins

• Recalls
  • Emissions
    • Recall - ECM Update for Fuel Sender OBD Diagnostics
      • Overview
      • Owner Letter
  • Generals
    • Campaign - ECM Software Upgrade
• 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
  • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine Controls - MIL ON/Misfire/Misfire DTC's Set
  • TCS/ABS - Service Stability Message/Multiple DTC's Set
  • Electrical - No Module Communication/DTCs/Warning Lamps
  • Engine Controls - MIL ON/Rough Idle/Misfire/DTC's Set
  • ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set
  • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Interior - Heated Seats Intermittently Inoperative
  • Engine Controls - Battery Lamp ON After PCM Replacement
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine Controls - MIL ON/Misfire/Misfire DTC's Set
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • 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
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine Controls - MIL ON/Misfire/Misfire DTC's Set
    • TCS/ABS - Service Stability Message/Multiple DTC's Set
    • Electrical - No Module Communication/DTCs/Warning Lamps
    • Engine Controls - MIL ON/Rough Idle/Misfire/DTC's Set
    • ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
    • Interior - Heated Seats Intermittently Inoperative
    • Engine Controls - Battery Lamp ON After PCM Replacement
  • Driveability
    • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Engine Controls - MIL ON/Rough Idle/Misfire/DTC's Set
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Engine Controls - Battery Lamp ON After PCM Replacement
  • Hard Shifting
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Inoperative
    • Interior - Heated Seats Intermittently Inoperative
  • Loose
    • Engine Controls - MIL ON/Misfire/Misfire DTC's Set
  • No shift/Incorrect gear engagement
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
    • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Recalls
    • Recall - ECM Update for Fuel Sender OBD Diagnostics
      • Overview
      • Owner Letter
    • Campaign - ECM Software Upgrade
  • Slipping
    • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Starting problems
    • Fuel System - Driveability Concerns/MIL ON/Multiple DTC's
• All Technical Service Bulletins
  • 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
  • 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
  • Electrical - Reducing Intermittent Electrical Concerns
  • A/T - Diagnostic Information for DTC's P0894/P1870
  • Recall - ECM Update for Fuel Sender OBD Diagnostics
    • Overview
    • Owner Letter
  • A/T - Slips/Harsh Shifts/Delayed Shifts/Multiple DTC's
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Emissions - OBDII I/M Readiness Testing
  • Engine Controls - MIL ON/Misfire/Misfire DTC's Set
  • Campaign - ECM Software Upgrade
  • Engine Controls - MIL Function During I/M Testing
  • TCS/ABS - Service Stability Message/Multiple DTC's Set
  • Accessories - DTC's P0300, P1380, P1381
  • Electrical - No Module Communication/DTCs/Warning Lamps
  • Engine Controls - MIL ON/Rough Idle/Misfire/DTC's Set
  • Engine, A/T Controls - Shared Diagnostic Trouble Codes
  • ABS - 'Service Stabilitrak(R)' Message/DTC C0455 Set
  • Electrical - A/T Stuck in 2nd/3rd Gear/MIL ON/DTC's
  • Interior - Heated Seats Intermittently Inoperative
  • Electrical - Harness Connection Inspection
  • Instruments - Low Fuel Gauge Reading/Low Fuel Lamp ON
  • Engine Controls - Revised DTC P1172 And P2636
  • Engine Controls - Battery Lamp ON After PCM Replacement