Powertrain Management: Technical Service Bulletins

• Recalls
  • Recall - Fuel Return Pipe Assembly Fracture & Leak
    • Overview
    • Defect Involved, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
    • Owner Notification, Owner Change, Parts, Service & Label Information
    • Parts Disposition, Warranty & Owner Letter Information
  • Recall 88V188000: Fuel Return Line Defect
• Customer Interest
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Engine - Hard Start, False Start, or No Start Condition
  • PROM - Cold Start/Decel Stall or Tip-in Hesitation
  • Fuel - Tank Oil Canning/Popping
  • Fuel Tank - Underbody Creak/Groan Noise
  • EVAP - Fuel Sender Whistling Noise
  • Engine - Miss, Hesitation, or Roughness
  • Connector Terminals - Contact Checking Procedure
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • 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
    • Recall - Fuel Return Pipe Assembly Fracture & Leak
      • Overview
      • Defect Involved, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
      • Owner Notification, Owner Change, Parts, Service & Label Information
      • Parts Disposition, Warranty & Owner Letter Information
  • Customer Interest
    • Electrical - MIL ON/DTC's Set By Various Control Modules
    • Electrical - Intermittent MIL/DTC P2138/Reduced Power
    • Engine - Hard Start, False Start, or No Start Condition
    • PROM - Cold Start/Decel Stall or Tip-in Hesitation
    • Fuel - Tank Oil Canning/Popping
    • Fuel Tank - Underbody Creak/Groan Noise
    • EVAP - Fuel Sender Whistling Noise
    • Engine - Miss, Hesitation, or Roughness
    • Connector Terminals - Contact Checking Procedure
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine Controls - Crankshaft Sensor R&R Precaution
    • PROM - Cold Start/Decel Stall or Tip-in Hesitation
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Fuel - Effect of Fuel Volatility On Driveability
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
    • Fuel System - TOP TIER Detergent Gasoline
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Diagnosing Intermittent Idle Speed Increases
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • High emissions
    • I/M 240 Repairs - Obtaining Technical Assistance
  • Leaks
    • Recall - Fuel Return Pipe Assembly Fracture & Leak
      • Overview
      • Defect Involved, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
      • Owner Notification, Owner Change, Parts, Service & Label Information
      • Parts Disposition, Warranty & Owner Letter Information
  • Low, Dead battery
    • Battery - Revised Ammeter Connecting (Parasitic Drain)
  • Noise
    • Fuel - Tank Oil Canning/Popping
    • Fuel Tank - Underbody Creak/Groan Noise
    • EVAP - Fuel Sender Whistling Noise
  • Poor performance
    • Fuel - Effect of Fuel Volatility On Driveability
    • Fuel System - TOP TIER Detergent Gasoline
  • Recalls
    • Recall - Fuel Return Pipe Assembly Fracture & Leak
      • Overview
      • Defect Involved, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
      • Owner Notification, Owner Change, Parts, Service & Label Information
      • Parts Disposition, Warranty & Owner Letter Information
    • Recall 88V188000: Fuel Return Line Defect
  • Starting problems
    • Engine - Hard Start, False Start, or No Start Condition
    • Fuel - Effect of Fuel Volatility On Driveability
    • 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
  • Engine Controls - Driveability Diagnostics Guide
  • I/M 240 Repairs - Obtaining Technical Assistance
  • Tools - Ground Simulation for IAC Driver
  • Fuel - Pump Replacement Caution, Strainer
  • MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64
  • Tools - New Fuel Injection Tester
  • Tools - Introduction Of The Fuel Injector Tester
  • Multec Port Fuel Injectors - Cleaning
  • ECM - Memory Updating
  • Oxygen Sensors - Silica Contamination
  • Vehicle Speed Sensor - Revised Diagnostic Information
  • Engine Controls - Updated Vehicle Speed Sensor Test
  • Battery - Revised Ammeter Connecting (Parasitic Drain)
  • Engine Controls - Crankshaft Sensor R&R Precaution
  • Engine - Hard Start, False Start, or No Start Condition
  • Computers/Controls - New Mem-Cal Install Procedure
  • PROM - Cold Start/Decel Stall or Tip-in Hesitation
  • A/T - 3RD Clutch and Overhaul Kits
  • Fuel - Revised Throttle Body/Fuel Rail Torque
  • Fuel - Feed/Return Pipe Repairs
  • Recall - Fuel Return Pipe Assembly Fracture & Leak
    • Overview
    • Defect Involved, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
    • Owner Notification, Owner Change, Parts, Service & Label Information
    • Parts Disposition, Warranty & Owner Letter Information
  • Recall 88V188000: Fuel Return Line Defect
  • Fuel - Tank Oil Canning/Popping
  • Fuel Tank - Underbody Creak/Groan Noise
  • Fuel - Service Manual Corrected Tank R&R
  • EVAP - Fuel Sender Whistling Noise
  • No MIL Diagnostic Chart A-1 Revision
  • Engine - Miss, Hesitation, or Roughness
  • Emissions Testing Vehicle Preconditioning
  • 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
  • Code 43 - Service Manual Update
  • Engine Controls - Revised Chart C-8A & C-8C, TCC
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • Connector Terminals - Contact Checking Procedure
  • PROM/MEMCAL - Identification Marks
  • Fuel - How Fuel Economy Is Determined
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • A/T - New Thermo Element/Setting Procedure
  • Fuel - Reformulated/Oxygenated Gasolines
  • Fuel - Use of MTBE At 15% or Less In Gasolines
  • Fuel - Effect of Fuel Volatility On Driveability
  • Fuel System - Recommended Fuels
  • 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