Powertrain Management: Technical Service Bulletins

• Recalls
  • Generals
    • Campaign - ECM Update For OBD O2 Sensor Improvements
    • Campaign - ECM Update For OBD Diagnostic Improvements
  • Safety
    • Recall - ECM Update For Engine Stalling
      • Overview
      • Owner Letter
• Customer Interest
  • Engine Control - MIL ON/Multiple DTC's In Freezing Temps
  • Instruments - Erratic Fuel Gauge Readings
  • Electrical - Inoperative Components/DTC's B1327/B1330
    • Overview
    • Correction
  • A/T Controls - Harsh 2-1 Downshift Or 1-2 Upshift
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Abnormal wear/deterioration
    • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Customer Interest
    • Engine Control - MIL ON/Multiple DTC's In Freezing Temps
    • Instruments - Erratic Fuel Gauge Readings
    • Electrical - Inoperative Components/DTC's B1327/B1330
      • Overview
      • Correction
    • A/T Controls - Harsh 2-1 Downshift Or 1-2 Upshift
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • A/T Controls - Harsh 2-1 Downshift Or 1-2 Upshift
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Fuel System - TOP TIER Detergent Gasoline
    • Fuel System - TOP TIER Detergent Gasoline Information (Canada)
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Instruments - Erratic Fuel Gauge Readings
    • Electrical - Inoperative Components/DTC's B1327/B1330
      • Overview
      • Correction
  • Hard Shifting
    • A/T Controls - Harsh 2-1 Downshift Or 1-2 Upshift
  • Inoperative
    • Electrical - Inoperative Components/DTC's B1327/B1330
      • Overview
      • Correction
  • No shift/Incorrect gear engagement
    • Electrical - Inoperative Components/DTC's B1327/B1330
      • Overview
      • Correction
  • Poor performance
    • Fuel System - TOP TIER Detergent Gasoline
    • Fuel System - TOP TIER Detergent Gasoline Information (Canada)
  • Recalls
    • Campaign - ECM Update For OBD O2 Sensor Improvements
    • Campaign - ECM Update For OBD Diagnostic Improvements
    • Recall - ECM Update For Engine Stalling
      • Overview
      • Owner Letter
  • Starting problems
    • Electrical - Inoperative Components/DTC's B1327/B1330
      • Overview
      • Correction
    • Fuel System - TOP TIER Detergent Gasoline
    • Fuel System - TOP TIER Detergent Gasoline Information (Canada)
• 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.
  • Engine Control - MIL ON/Multiple DTC's In Freezing Temps
  • Instruments - Erratic Fuel Gauge Readings
  • Electrical - Inoperative Components/DTC's B1327/B1330
    • Overview
    • Correction
  • A/T Controls - Harsh 2-1 Downshift Or 1-2 Upshift
  • Campaign - ECM Update For OBD O2 Sensor Improvements
  • Campaign - ECM Update For OBD Diagnostic Improvements
  • Recall - ECM Update For Engine Stalling
    • Overview
    • Owner Letter
  • A/T Controls - Snapshot Data With Tech2(R) Information
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • A/T Control - DTC P0756 Diagnostic Tips
  • A/T - Diagnostic Information for DTC's P0894/P1870
  • Electrical - Harness Connection Inspection
  • Accessories - DTC's P0300, P1380, P1381
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Exhaust System - Catalytic Converter Precautions
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Fuel System - TOP TIER Detergent Gasoline (Canada)
  • Fuel System - TOP TIER Detergent Gasoline
  • Fuel System - TOP TIER Detergent Gasoline Information (Canada)