Powertrain Management: Technical Service Bulletins

• Recalls
  • Generals
    • Campaign - Mercury Disposal Notice Label Installation
      • Overview
      • Owner Letter
  • Safety
    • Recall - Directional Indicator Rework
• Customer Interest
  • 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 - Harsh 1-2 Shifts/DTC's P0741/P0756/P0894
  • Engine Controls - DTC P0300 Diagnostics
  • A/T Controls - MIL ON/DTC P0894/harsh 1-2 Shift
  • Engine Controls - Low Power/MIL ON/Multiple DTC's Set
  • A/T - MIL ON/DTC P0757/Slipping/Poor Performance
  • Engine Controls - Cold Start Rough Idle
  • A/T Controls - MIL ON/DTC's Set/A/T Stuck in 2nd or 3rd
  • 4X4 System - Warning Lamp ON/4X4 Inoperative/DTC's Set
  • Fuel System - SES Lamp ON/DTC's P0442/P0455 Set
  • Drivetrain - Service 4WD Message/DTC's Set/4WD Inop.
  • Fuel System - Poor Performance Due to Injector Clogging
    • Overview
    • Correction
  • Engine - Over Oiled Aftermarket Air Filter Concerns
  • 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
    • Exhaust System - DTC's Set/Catalytic Converter Damage
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Customer Interest
    • 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 - Harsh 1-2 Shifts/DTC's P0741/P0756/P0894
    • Engine Controls - DTC P0300 Diagnostics
    • A/T Controls - MIL ON/DTC P0894/harsh 1-2 Shift
    • Engine Controls - Low Power/MIL ON/Multiple DTC's Set
    • A/T - MIL ON/DTC P0757/Slipping/Poor Performance
    • Engine Controls - Cold Start Rough Idle
    • A/T Controls - MIL ON/DTC's Set/A/T Stuck in 2nd or 3rd
    • 4X4 System - Warning Lamp ON/4X4 Inoperative/DTC's Set
    • Fuel System - SES Lamp ON/DTC's P0442/P0455 Set
    • Drivetrain - Service 4WD Message/DTC's Set/4WD Inop.
    • Fuel System - Poor Performance Due to Injector Clogging
      • Overview
      • Correction
    • Engine - Over Oiled Aftermarket Air Filter Concerns
    • A/T - No Movement in Drive or Third
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Driveability
    • Fuel System - Driveability Issues/MIL ON/Multiple DTC's
    • Engine Controls - Cold Start Rough Idle
    • Fuel System - Poor Performance Due to Injector Clogging
      • Overview
      • Correction
    • Engine - Over Oiled Aftermarket Air Filter Concerns
  • Erratic Shifting
    • A/T - MIL ON/DTC P0757/Slipping/Poor Performance
  • False instrument warning light/gauges
    • Electrical - Warning Lamps/Electrical Malfunctions
  • Hard Shifting
    • A/T - Harsh 1-2 Shifts/DTC's P0741/P0756/P0894
    • A/T Controls - MIL ON/DTC P0894/harsh 1-2 Shift
  • Inoperative
    • 4X4 System - Warning Lamp ON/4X4 Inoperative/DTC's Set
    • Drivetrain - Service 4WD Message/DTC's Set/4WD Inop.
    • A/T - No Movement in Drive or Third
  • Leaks
    • Fuel System - SES Lamp ON/DTC's P0442/P0455 Set
  • No shift/Incorrect gear engagement
    • A/T Controls - MIL ON/DTC's Set/A/T Stuck in 2nd or 3rd
  • Recalls
    • Recall - Directional Indicator Rework
    • Campaign - Mercury Disposal Notice Label Installation
      • Overview
      • Owner Letter
  • Slipping
    • A/T - MIL ON/DTC P0757/Slipping/Poor Performance
• All Technical Service Bulletins
  • Recall - Directional Indicator Rework
  • 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
  • A/T - DTC P0894 and P1870 Diagnostic Information
  • A/T - Harsh 1-2 Shifts/DTC's P0741/P0756/P0894
  • Engine Controls - DTC P0300 Diagnostics
  • A/T Controls - MIL ON/DTC P0894/harsh 1-2 Shift
  • Engine Controls - Low Power/MIL ON/Multiple DTC's Set
  • A/T - MIL ON/DTC P0757/Slipping/Poor Performance
  • Engine Controls - Normal MIL Operation Information
  • Fuel System - Maintenance Cleaning of Fuel Injectors
  • Ignition System - Revised Ignition Switch Replacement
  • Engine Controls - Cold Start Rough Idle
  • Engine Controls - Reprogramming Warranty Coverage
  • Exhaust System - DTC's Set/Catalytic Converter Damage
  • A/T Controls - MIL ON/DTC's Set/A/T Stuck in 2nd or 3rd
  • Electrical - Connector Inspection During Diagnostics
  • 4X4 System - Warning Lamp ON/4X4 Inoperative/DTC's Set
  • A/T - 4L60-E/4L65-E DTC P0894/P1870 Diagnostics
  • Fuel System - SES Lamp ON/DTC's P0442/P0455 Set
  • Drivetrain - Service 4WD Message/DTC's Set/4WD Inop.
  • Campaign - Mercury Disposal Notice Label Installation
    • Overview
    • Owner Letter
  • Fuel System - Fuel Filler Neck Flapper Elimination
  • Fuel System - Poor Performance Due to Injector Clogging
    • Overview
    • Correction
  • Engine - Over Oiled Aftermarket Air Filter Concerns
  • Instruments - PRNDL Display Dim for One Minute
  • 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
  • Electrical - Warning Lamps/Electrical Malfunctions
  • Engine - Unnecessary Flushing Services/Recommendations