Powertrain Management: Technical Service Bulletins

• Recalls
  • Recall - Fuel Tank Rupture
  • Recall 94V044001: CNG Fuel Tank Ruptures
  • Recall 94044001: CNG Fuel Tank Defect
  • Recall 94V044000: CNG Fuel Tank Defect
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Fuel System - Factors That Affect Economy/Mileage
  • Fuel - Injector Wires Trapped Under Air Cleaner
  • Speedometer - Registers When Vehicle is Stationary
  • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
  • TBI Fuel System - Power Curve Information
  • Engine - Miss, Hesitation, or Roughness
  • A/T - Intermittent DTC 87/High Ratio Error
  • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
  • Fuel - Poor Fuel Economy/Short Driving Range
  • Engine - Hard Start or No Start
  • 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
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Fuel System - Factors That Affect Economy/Mileage
    • Fuel - Injector Wires Trapped Under Air Cleaner
    • Speedometer - Registers When Vehicle is Stationary
    • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
    • TBI Fuel System - Power Curve Information
    • Engine - Miss, Hesitation, or Roughness
    • A/T - Intermittent DTC 87/High Ratio Error
    • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
    • Fuel - Poor Fuel Economy/Short Driving Range
    • Engine - Hard Start or No Start
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • TBI Fuel System - Power Curve Information
    • 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
    • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • False instrument warning light/gauges
    • Speedometer - Registers When Vehicle is Stationary
    • A/T - Intermittent DTC 87/High Ratio Error
  • High emissions
    • I/M 240 Repairs - Obtaining Technical Assistance
  • Inoperative
    • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
  • Leaks
    • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
  • Noise
    • Engine - Cold Knock
    • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
  • Poor performance
    • Fuel - Poor Fuel Economy/Short Driving Range
    • Fuel - Information on Perceived Low Power
    • Fuel System - TOP TIER Detergent Gasoline
  • Recalls
    • Recall - Fuel Tank Rupture
    • Recall 94V044001: CNG Fuel Tank Ruptures
    • Recall 94044001: CNG Fuel Tank Defect
    • Recall 94V044000: CNG Fuel Tank Defect
  • Starting problems
    • Engine - Hard Start Or No Start
    • Engine - Hard Start or No Start
    • Fuel System - TOP TIER Detergent Gasoline
  • Sticking/Binding
    • Fuel - Injector Wires Trapped Under Air Cleaner
• 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
  • A/T Control - DTC P0756 Diagnostic Tips
  • Fuel System - Factors That Affect Economy/Mileage
  • I/M 240 Repairs - Obtaining Technical Assistance
  • TPS Sensor - Revised Replacement Information
  • Spark Plugs - Revised
  • A/T - Shift Solenoid Update
  • A/T - New Wiring Harness With Inline Temp Sensor
  • Tools - Introduction Of The Fuel Injector Tester
  • Fuel - Injector Wires Trapped Under Air Cleaner
  • Oxygen Sensors - Silica Contamination
  • Digital Ratio Adapter/Controller (DRAC) - Service
  • Speedometer - Registers When Vehicle is Stationary
  • Instrument Panel and Gauges - Revised Diagnostic Chart
  • Engine - Cold Knock
  • Engine - Cold Knock, Replace Oil Filter/Bearings/PROM
  • PROM - Powertrain Control Module Reprogramming
  • Fuel Tank Solenoid - Replacement
  • Recall - Fuel Tank Rupture
  • Recall 94V044001: CNG Fuel Tank Ruptures
  • Recall 94044001: CNG Fuel Tank Defect
  • Recall 94V044000: CNG Fuel Tank Defect
  • TBI Fuel System - Power Curve Information
  • Engine - Miss, Hesitation, or Roughness
  • Warranty - Emission Parts Coverage
  • 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 - Intermittent DTC 87/High Ratio Error
  • PCM - Returned Product Feedback Program
  • PROM/MEMCAL - Identification Marks
  • A/T - No Upshift/Stuck In First/No Codes/Exterior Leaks
  • Fuel - Poor Fuel Economy/Short Driving Range
  • Fuel - How Fuel Economy Is Determined
  • Fuel - Information on Perceived Low Power
  • Engine - Hard Start Or No Start
  • Engine - Hard Start or No Start
  • A/T - Holley Variable Pressure Control Solenoid
  • Fuel - Reformulated/Oxygenated Gasolines
  • Fuel - Top Tier Detergent Gasoline Information
  • 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