Technical Service Bulletins

A/C Compressor
- New Sae J2788 Refrigerant Recovery Standard (IB07-12-S004)
- Contaminated R134A Refrigerant Found On Market For Automotive Air-Conditioning Systems (IB06-12-S001)
Accessories & Equipment
- Diagnosing Vibration Concern (IB05-14-S001)
Accessories Control Systems
- Specified Major Emission-Control Components Defect Warranty Coverage Enhancement (WB07-L004)
Anti-Theft Systems
- Passenger Outside Door Lock Cylinder Kit Available (IB07-11-S005)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Remote Keyless Entry (RKE) Operational Characteristics (IB06-11-S001)
Automatic Trans
- 4L60-E Hydra-MATIC Automatic Transmission RPO M30 Oil Cooler Fitting Change (IB08-05-S002)
- Information On 4L60-E M30 Rear Wheel Drive Automatic Transmission Valve Body Reconditioning, DTC P0741, P0756, P0894, Harsh 1-2 Shift (IB07-05-S005)
- Information On 2-3 Up-Shift Or 3-2 Downshift Clunk Noise (IB07-05-S004)
- Automatic Transmission Oil Cooler Flush And Flow Test Tool J-45096 TRANSFLOW® (IB07-05-S003)
- Automatic Transmission Shift, Engine DRIVEABILITY Concerns Or Malfunction Indicator Lamp (Mil) Light On As A Result Of The Installation Of An Aftermarket Reusable, Excessively Oiled Air Filter (IB07-05-S002)
- 1-2, 2-3, 3-4 Shift And Torque Converter Clutch (TCC) Characteristics During Cold Weather Operation On 4I60-E Transmissions (IB07-05-S001)
- Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (Mil) Illuminated, Poor Performance Of Transmission, Transmission Slipping (SB06-05-S004)
- 4L60-E Automatic Transmission Fluid Leak From Oil Pump Or Bell Housing Area (SB06-05-S003)
- 2006 Automatic Transmissions Equipped With DEXRON(R) VI (IB06-05-S006)
- Information Regarding Automatic Transmission Shift Lock Control Function (IB06-05-S005)
- Diagnostic Tips For Automatic Transmission DTC P0756 (IB06-05-S004)
- Diagnostic Information On Diagnostic Trouble Code (DTC) P0894 And P1870 (This Bulletin Supersedes Sb04-05-S008) (SB04-05-S008)
- Warranty WF-01-06 (WF-01-06)
- Diagnosis Of Cracked Or Broken Transmission Case (Supersedes IB05-05-S002) (IB05-05-S011)
- Diagnosing Vibration Concern (IB05-14-S001)
Auxiliary Emission Control Systems
- Specified Major Emission-Control Components Defect Warranty Coverage Enhancement (WB07-L004)
- I/M Readiness As Part Of Emission Inspection And Maintenance Program For OBD II Vehicles (IB05-03-S002)
Charging Systems
- Low Voltage Display On IP Gauge, Lights Dim At Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights At Idle, Low Generator Output (IB07-04-S003)
Cooling System (Mechanical)
- DEX-Cool® Coolant - New Leak Detection Dye J 46366 - Replaces J 29545-6 (IB08-12-S001)
Cruise Control Systems
- Inspection Of All Related Wiring Harness Connections When Diagnosing Miscellaneous DTC'S, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, Inoperative Air Conditioning Systems, Service Engine Soon Lamps Illuminated, 4WD Lamp Illuminated, Instrument Panel Gauges Inoperative, Cruise Inoperative (IB05-04-S005)
Engine Control Systems
- Specified Major Emission-Control Components Defect Warranty Coverage Enhancement (WB07-L004)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
Entertainment Systems
- Radio With Six Disc Cd Changer Does Not Recognize Loaded Cd/Displays An Initializing Message, Cd Will Not Play, Cd Cannot Be Ejected Or Disc Icon Does Not Illuminate (SB08-13-S001)
- Difficult To Install Fixed Radio Antenna Mast (IB07-13-S004)
- Warranty WF-01-06 (WF-01-06)
Exhaust
- Info On Close-Coupled Converter, Engine Breakdown Or Non-Function Due To Severe Overheat Or Lack Of Oil Causing Engine Failure (IB06-03-S001)
Exterior Body Panels
- WINDNOISE Or High Pitched Whistle Noise Heard From Front Of Vehicle While Driving At Highway Speeds (SB07-11-S019)
- Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
- Availability Of Pickup Box Reinforcements To Accommodate Aftermarket Accessory Tool Box Installation (IB06-11-S002)
Frames, Subframes & Crossmembers
- Diagnosing Vibration Concern (IB05-14-S001)
Front Suspension
- Revised Trim Height Inspection (Service Manual Revision) (SB06-06-S001)
Fuel System
- Elimination Of Fuel Filler Tube Flapper Door (IB07-02-S002)
- Top Tier Detergent Gasoline (IB06-02-S001)
Fuses & Circuit Breakers
- Information On The Importance Of Using KENT MOORE Terminal Probe Test Kit J-35616 (IB08-04-S001)
Gauges & Instrument Panels
- Dash/Instrument Panel Foam Closeout Seal Distorted, Wavy, Loose And/Or Seat Could Partially Cover VIN Plate (SB07-11-S017)
- Low Voltage Display On IP Gauge, Lights Dim At Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights At Idle, Low Generator Output (IB07-04-S003)
- PRNDL Display Reduced Visibility For Approximately One Minute (IB07-04-S002)
- Inspection Of All Related Wiring Harness Connections When Diagnosing Miscellaneous DTC'S, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, Inoperative Air Conditioning Systems, Service Engine Soon Lamps Illuminated, 4WD Lamp Illuminated, Instrument Panel Gauges Inoperative, Cruise Inoperative (IB05-04-S005)
Headlights
- Low Voltage Display On IP Gauge, Lights Dim At Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights At Idle, Low Generator Output (IB07-04-S003)
Heated Glass/Defoggers
- Distortion In Outer Surface Of Vehicle Glass (IB08-11-S002)
HVAC Control Systems
- New Sae J2788 Refrigerant Recovery Standard (IB07-12-S004)
- Excessive Blower Motor Clicking/Chirping/ Whirring Or Ticking Noises On Low Speed (SB07-12-S001)
- Inspection Of All Related Wiring Harness Connections When Diagnosing Miscellaneous DTC'S, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, Inoperative Air Conditioning Systems, Service Engine Soon Lamps Illuminated, 4WD Lamp Illuminated, Instrument Panel Gauges Inoperative, Cruise Inoperative (IB05-04-S005)
- HVAC System Deodorizing Treatment (SB98-12-L001)
Ignition Switch/Steering Lock
- Revised Ignition Switch Replacement (Service Manual Revision) (SB06-04-S005)
Ignition System
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
Interior/Exterior Trim
- Information To Avoid Damage Or Breakage To Power Mirror/Window/Lock Switch Trim Plate Assembly During Removal From Door Trim (IB08-11-S003)
- Interior Cleaning, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer (IB07-11-S003)
- Revised Pressure Relief Valve Replacement (Service Manual Revision) (SB06-11-S008)
- Availability Of Pickup Box Reinforcements To Accommodate Aftermarket Accessory Tool Box Installation (IB06-11-S002)
Lubrication System
- Engine Oil Usage Testing And Reporting (SB07-01-S001)
Manual Steering
- Diagnostic Tips/Recommendations When Power Steering Pump Replacement Is Necessary (IB08-10-S001)
Manual Trans
- Diagnosing Vibration Concern (IB05-14-S001)
Mechanical
- DEX-Cool® Coolant - New Leak Detection Dye J 46366 - Replaces J 29545-6 (IB08-12-S001)
- Service Information Update On Consolidating The Use Of Gm Liquid Gasket/Engine Sealants And The New Sealant Dispenser GE-48326 Available Tool (IB07-01-S004)
- Information On New In-Vehicle Service Procedure For Removal/Installation Of LK5 Or L52 Cylinder Head (SB07-01-S007)
- Information On New Special Service Tool En-47945 For LK5, L52 Or Ll8 Engine Allowing Stationary Hydraulic Lash Adjusters And End Pivot Rockers To Be Removed Without Camshaft Removal (IB07-01-S002)
- Information On Use Of KENT MOORE Bolt Extractor Tool Kit En-47702 For Removing Broken Cylinder Head Or Main Bearing Cap Bolts On Inline Engines (This Bulletin Supersedes IB05-01-S007) (IB07-01-S001)
- Diagnosing Vibration Concern (IB05-14-S001)
Mechanical - Hydraulic
- Excessive Brake Grab, Rear Drums And Shoes (SB07-09-S001)
Mirrors
- Information To Avoid Damage Or Breakage To Power Mirror/Window/Lock Switch Trim Plate Assembly During Removal From Door Trim (IB08-11-S003)
Paint & Coatings
- Bumps Or Rust Colored Spots In Paint Due To Rail Or Iron Dust (SB97-11-L007)
Parking Brake System
- Revised Park Brake Fastener Tightening Specification (Service Manual Revision) (SB06-09-S001)
Passive Restraints
- Safety Belt Locking Conditions (IB07-11-S004)
- Passenger Seat Buckle Hard To Move Past Stitching And/Or Finish Knot Is Frayed (SB05-11-S015)
Rear Suspension
- Revised Leaf Spring Replacement (Service Manual Revision) (SB06-06-S002)
- Revised Trim Height Inspection (Service Manual Revision) (SB06-06-S001)
Restraints Control Systems
- Passenger Occupant Sensing System Concerns (IB07-11-S009)
- Passenger Occupant Sensing System Concerns With Custom Upholstery, Accessory Seat Heaters Or Other Comfort Enhancing Devices (IB06-11-S006)
Seats
- Passenger Occupant Sensing System Concerns With Custom Upholstery, Accessory Seat Heaters Or Other Comfort Enhancing Devices (IB06-11-S006)
Starter
- Battery Charging Tips (Includes Information References for HP2 Hybrid Truck [PHT] 42-volt System) (02-06-03-009C)
- Low Voltage Display On IP Gauge, Lights Dim At Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights At Idle, Low Generator Output (IB07-04-S003)
Steering Gear
- Revised Power Steering Gear Replacement (Service Manual Revision) (SB06-10-S001)
System
- Diagnostic Tips For DTC P0300 Engine Misfire Detected And Cylinder Leakage Testing (SB07-03-S001)
- Various DRIVEABILITY Symptoms Due To Clogged Fuel Injectors, Mil DTCS P0171, P0172, P0174, P0300, P1174, P1175 (This Bulletin Supersedes Sb04-02-S002 And IB07-02-S001) (SB04-02-S002)
- Automatic Transmission Shift, Engine DRIVEABILITY Concerns Or Malfunction Indicator Lamp (Mil) Light On As A Result Of The Installation Of An Aftermarket Reusable, Excessively Oiled Air Filter (IB07-05-S002)
- Reduced Engine Power (SB07-01-S003)
- Normal Characteristics Of Malfunction Indicator Lamp (Mil) During On-Board Diagnostic (OBD) Emissions Testing (IB06-03-S002)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Inspection Of All Related Wiring Harness Connections When Diagnosing Miscellaneous DTC'S, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, Inoperative Air Conditioning Systems, Service Engine Soon Lamps Illuminated, 4WD Lamp Illuminated, Instrument Panel Gauges Inoperative, Cruise Inoperative (IB05-04-S005)
Transfer Case
- Noise And Bump/Clunk Felt When Transfer Case Shifted Into Four Low (4LO) (IB08-05-S001)
- Inspection Of All Related Wiring Harness Connections When Diagnosing Miscellaneous DTC'S, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, Inoperative Air Conditioning Systems, Service Engine Soon Lamps Illuminated, 4WD Lamp Illuminated, Instrument Panel Gauges Inoperative, Cruise Inoperative (IB05-04-S005)
Transmission Control Systems
- Diagnostic Information On Diagnostic Trouble Code (DTC) P0894 And P1870 (IB08-05-S003)
- Malfunction Indicator Lamp (Mil) On, Diagnostic Trouble Code (DTC) P0894, Harsh 1-2 Shift With 4L60-E Auto Transmission (SB08-04-S001)
- Specified Major Emission-Control Components Defect Warranty Coverage Enhancement (WB07-L004)
- Diagnostic Information On Diagnostic Trouble Code (DTC) P0894 And P1870 (This Bulletin Supersedes Sb04-05-S008) (SB04-05-S008)
- Engagement Of Electronically Controlled 4L60-E Transmissions (IB05-05-S010)
Wheel Alignment
- Revised Wheel Alignment Specification (Service Manual Revision) (SB06-08-S002)
Wheels & Tire System
- Information On Tire Radial Force Variation (RFV) (IB08-08-S002)
- Tire Characteristics Of Original Equipment Tires (IB07-08-S001)
- Information On Proper Tire Pressure (IB06-08-S003)
Window Motors & Regulators
- Distortion In Outer Surface Of Vehicle Glass (IB08-11-S002)
- Information To Avoid Damage Or Breakage To Power Mirror/Window/Lock Switch Trim Plate Assembly During Removal From Door Trim (IB08-11-S003)
- Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
Wiper/Washer Systems
- Windshield Wiper Performance, Cleaning Instructions And Maintenance (IB07-11-S008)
- Windshield Wiper Performance, Cleaning Instructions And Maintenance (IB06-11-S005)