Powertrain Management: Technical Service Bulletins

• Recalls
  • Generals
    • Campaign - Throttle Position Sensor Replacement
      • Overview
      • Service Procedure
      • Owner Letter
  • Safety
    • Recall - Directional Indicator Rework
• Customer Interest
  • Engine Controls - MIL ON/DTC P2135 Set
  • Ignition System - Runs Rough MIL/ON DTC P0300/0306
  • Drivetrain - 4WD Message Light On DTC C0327 Set
  • Electrical - MIL/DTC P2138 with Reduced Engine Power
  • Fuel System - Driveability Issues/MIL ON/Multiple DTC's
  • A/T - No Movement in Drive or Third
  • Electrical - Warning Lamps/Electrical Malfunctions
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL/DTC P2138 with Reduced Engine Power
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Customer Interest
    • Engine Controls - MIL ON/DTC P2135 Set
    • Ignition System - Runs Rough MIL/ON DTC P0300/0306
    • Drivetrain - 4WD Message Light On DTC C0327 Set
    • Electrical - MIL/DTC P2138 with Reduced Engine Power
    • Fuel System - Driveability Issues/MIL ON/Multiple DTC's
    • A/T - No Movement in Drive or Third
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Driveability
    • Ignition System - Runs Rough MIL/ON DTC P0300/0306
    • Fuel System - Driveability Issues/MIL ON/Multiple DTC's
  • False instrument warning light/gauges
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Inoperative
    • A/T - No Movement in Drive or Third
  • Recalls
    • Campaign - Throttle Position Sensor Replacement
      • Overview
      • Service Procedure
      • Owner Letter
    • Recall - Directional Indicator Rework
• All Technical Service Bulletins
  • Campaign - Throttle Position Sensor Replacement
    • Overview
    • Service Procedure
    • Owner Letter
  • Engine Controls - MIL ON/DTC P2135 Set
  • Recall - Directional Indicator Rework
  • Ignition System - Runs Rough MIL/ON DTC P0300/0306
  • Drivetrain - 4WD Message Light On DTC C0327 Set
  • Aftermarket Parts - Non GM Parts And Accessories Info
  • Engine, A/T Controls - Non-GM Calibration ID
  • Electrical - MIL/DTC P2138 with Reduced Engine Power
  • A/T Controls - Procedure To Take Snapshot Data
  • Fuel System - Driveability Issues/MIL ON/Multiple DTC's
  • A/T Controls - DTC P0756 Diagnostics
  • Fuel System - E85 Fuel Usage Precaution
  • Fuel System - GM Fuel Systems Treatment Plus(R)
  • Fuel System - E85 Fuel Usage Information
  • Engine/Fuel System - Additive Information
  • A/T - No Movement in Drive or Third
  • Fuel System - TOP TIER Detergent Gasoline Information
  • Fuel System - TOP TIER Detergent Gasoline
  • Exhaust System - Sulfur Odor Explanation
  • Electrical - Warning Lamps/Electrical Malfunctions
  • Engine - Unnecessary Flushing Services/Recommendations