Powertrain Management: Technical Service Bulletins
- Recalls
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear
- Intake Air Duct - Reduced Engine Performance
- Speedometer - Registers When Vehicle is Stationary
- Constant or Intermittent MIL ON, No DTC's Set
- A/T - 4L80-E/4L80-EHD 1-2 Shudder or Double Bump
- Speedometer - Registers During Glow Plug Cycles
- ECM/PCM/TCM - Intermittent Sensor Connection
- A/T - Intermittent DTC 87/High Ratio Error
- Diesel Engine - Hard Start/Gray or White Smoke
- A/T - Buzzing Noise at Idle
- Engine - Smoke On Cold Start-Up
- Drivetrain - Slow Or No Engagement of Front Axle
- A/T - No Upshift/Stuck in 1ST/No Codes/Exterior Leaks
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Electrical - MIL ON/DTC's Set By Various Control Modules
- Electrical - Intermittent MIL/DTC P2138/Reduced Power
- A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear
- Intake Air Duct - Reduced Engine Performance
- Speedometer - Registers When Vehicle is Stationary
- Constant or Intermittent MIL ON, No DTC's Set
- A/T - 4L80-E/4L80-EHD 1-2 Shudder or Double Bump
- Speedometer - Registers During Glow Plug Cycles
- ECM/PCM/TCM - Intermittent Sensor Connection
- A/T - Intermittent DTC 87/High Ratio Error
- Diesel Engine - Hard Start/Gray or White Smoke
- A/T - Buzzing Noise at Idle
- Engine - Smoke On Cold Start-Up
- Drivetrain - Slow Or No Engagement of Front Axle
- A/T - No Upshift/Stuck in 1ST/No Codes/Exterior Leaks
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Driveability
- Erratic Operation
- Erratic Shifting
- False instrument warning light/gauges
- Hard Shifting
- High emissions
- Inoperative
- Leaks
- Loose
- Low, Dead battery
- Noise
- Overheating
- Poor performance
- Recalls
- Smoke, Fumes
- Starting problems
- Won't disengage
- 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
- A/T - 4L80/4L80-EHD Delayed Shifts In Low Gear
- Engine Controls - Service Engine Soon Light, DTC 22-TPS
- Fuel - Pump Related Driveability/Whine, DTC 32 or 44
- Intake Air Duct - Reduced Engine Performance
- Engine - Cylinder Damage Due to Glow Plug Breaking
- A/T - New Solenoid Assemblies, More Durable & New Colors
- A/T - Shift Solenoid Update
- Tools - Introduction Of The Fuel Injector Tester
- ECM/PCM - Installation Procedures/Mem-Cal Concerns
- Speedometer - Registers When Vehicle is Stationary
- Constant or Intermittent MIL ON, No DTC's Set
- Parasitic Drain Ammeter - Connection Procedure Revised
- Recall - Fuel Injection Pump/Timing
- PROM - Powertrain Control Module Reprogramming
- Recall - Fuel Tank Inspection and/or Replacement
- A/T - 4L80-E/4L80-EHD 1-2 Shudder or Double Bump
- Speedometer - Registers During Glow Plug Cycles
- Emissions - Information On State Emissions Testing
- Enhanced IM240 Program - Implementation Plan
- Emission - Enhanced Inspection Maintenance Programs
- I/M 240 Program - Equipment Purchase
- Enhanced Emission I/M - Program Update
- Enhanced Emission Inspection Maintenance - Equipment
- Warranty - Guidelines for I/M 240 Labor
- EVAP System - Service of Connectors
- ECM/PCM/TCM - Intermittent Sensor Connection
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- A/T - Intermittent DTC 87/High Ratio Error
- PCM - Returned Product Feedback Program
- Diesel Engine - Hard Start/Gray or White Smoke
- A/T - Buzzing Noise at Idle
- Engine - Smoke On Cold Start-Up
- Drivetrain - Slow Or No Engagement of Front Axle
- PROM/MEMCAL - Identification Marks
- A/T - No Upshift/Stuck in 1ST/No Codes/Exterior Leaks
- Fuel - How Fuel Economy Is Determined
- Fuel - Low Sulfur Diesel, Lubricity Information
- A/T - Holley Variable Pressure Control Solenoid
- Drivetrain - Updated Transfer Case Speed Sensor Conn.
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Engine/Fuel System - Oil/Fuel Additive Information
- Fuel System - TOP TIER Detergent Gasoline (Canada)