Powertrain Management: Technical Service Bulletins

• Recalls
  • Recall - Fuel Tank Inspection and/or Replacement
    • Overview
    • What You Should Do
    • Defect Involved
    • Vehicles Involved
    • Parts Information
    • Dealer Campaign Responsibility
    • Owner Notification
    • Service Procedure
    • Campaign ID Label and Claim Information
    • Owner Letter
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine - No Start After Extended Storage
  • Intake Air Duct - Reduced Engine Performance
  • TCC - False Code 32/ Possible MIL ON
  • A/T - Low Power/Lack of Performance With 4L80E
  • Engine - Miss, Hesitation, or Roughness
  • Drivetrain - Slow Or No Engagement of Front Axle
    • Overview
    • Service Procedure
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine - No Start After Extended Storage
    • A/T - TCC Wiring Shorted to Ground, Blown Fuses
    • ECM/PCM - Installation Procedures/Mem-Cal Concerns
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine - No Start After Extended Storage
    • Intake Air Duct - Reduced Engine Performance
    • TCC - False Code 32/ Possible MIL ON
    • A/T - Low Power/Lack of Performance With 4L80E
    • Engine - Miss, Hesitation, or Roughness
    • Drivetrain - Slow Or No Engagement of Front Axle
      • Overview
      • Service Procedure
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Intake Air Duct - Reduced Engine Performance
    • PROM - Hot Restart Driveaway Sag/Low Power
    • Engine - Miss, Hesitation, or Roughness
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Fuel System - TOP TIER Detergent Gasoline
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • TCC - False Code 32/ Possible MIL ON
    • PROM - False Service Engine Soon Lights/DTCs 32 or 45
  • High emissions
    • I/M 240 Repairs - Obtaining Technical Assistance
  • Inoperative
    • Fuel - Pump Replacement Caution, Strainer
  • Low, Dead battery
    • Parasitic Drain Ammeter - Connection Procedure Revised
  • Poor performance
    • Fuel System - TOP TIER Detergent Gasoline
  • Recalls
    • Recall - Fuel Tank Inspection and/or Replacement
      • Overview
      • What You Should Do
      • Defect Involved
      • Vehicles Involved
      • Parts Information
      • Dealer Campaign Responsibility
      • Owner Notification
      • Service Procedure
      • Campaign ID Label and Claim Information
      • Owner Letter
  • Starting problems
    • Engine - No Start After Extended Storage
    • Fuel System - TOP TIER Detergent Gasoline
• All Technical Service Bulletins
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Fuel System - Fuel Injector Maintenance Cleaning
  • Fuel System - GM Fuel System Treatment PLUS(R) Info.
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • I/M 240 Repairs - Obtaining Technical Assistance
  • Fuel - Pump Replacement Caution, Strainer
  • Engine - No Start After Extended Storage
  • Intake Air Duct - Reduced Engine Performance
  • A/T - TCC Wiring Shorted to Ground, Blown Fuses
  • TCC - False Code 32/ Possible MIL ON
  • A/T - Low Power/Lack of Performance With 4L80E
  • Tools - Introduction Of The Fuel Injector Tester
  • ECM/PCM - Installation Procedures/Mem-Cal Concerns
  • Oxygen Sensors - Silica Contamination
  • Parasitic Drain Ammeter - Connection Procedure Revised
  • PROM - False Service Engine Soon Lights/DTCs 32 or 45
  • PROM - Hot Restart Driveaway Sag/Low Power
  • Fuel - Feed/Return Pipe Repair
  • Recall - Fuel Tank Inspection and/or Replacement
    • Overview
    • What You Should Do
    • Defect Involved
    • Vehicles Involved
    • Parts Information
    • Dealer Campaign Responsibility
    • Owner Notification
    • Service Procedure
    • Campaign ID Label and Claim Information
    • Owner Letter
  • Engine - Miss, Hesitation, or Roughness
  • Emissions - Information On State Emissions Testing
  • State Emissions Testing Information
  • Enhanced IM240 Program - Implementation Plan
  • Emission - Enhanced Inspection Maintenance Programs
  • I/M 240 Program - Equipment Purchase
  • I/M Emissions Diagnostic Manual -Program
  • Enhanced Emission I/M - Program Update
  • Enhanced Emission Inspection Maintenance - Equipment
  • Warranty - Guidelines for I/M 240 Labor
  • Emissions Inspection/Maintenance - Labor Operations
  • EVAP System - Service of Connectors
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • A/T Fluid Level Indicator - Revised (Sealed)
  • Drivetrain - Slow Or No Engagement of Front Axle
    • Overview
    • Service Procedure
  • PROM/MEMCAL - Identification Marks
  • Fuel - How Fuel Economy Is Determined
  • Fuel - Reformulated/Oxygenated Gasolines
  • Fuel - Use of MTBE At 15% or Less In Gasolines
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Fuel System - E85 Fuel Usage Precaution
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Fuel System - TOP TIER Detergent Gasoline (Canada)
  • Fuel System - TOP TIER Detergent Gasoline