Technical Service Bulletins

A/C Compressor
- Information On New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment (08-01-38-001)
- Information on GM ACR2000 (J-43600) and New Refrigerant Recovery Recharging Equipment Standard SAE J2788 (07-01-38-004)
- New PAG Oil Released (02-01-39-004B)
Accessories & Equipment
- Announcement of Price Increase for MDI (EL-47955) (08-00-89-018A)
- Processing GM Accessories - Initial Quality Issues (04-00-89-018C)
Accessories Control Systems
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Air Bag, SRS
- General Motors Position Statement on Installation of Used, Salvaged, or Imitation Air Bag System Components (08-09-41-003)
- New SIR System Disabling and Enabling Procedure (05-09-41-010)
Anti-Theft Systems
- Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
- Remote Keyless Entry System Inoperative (Diagnose System/Replace Battery In Key Fob) (10-08-52-002B)
- Diagnostic Information for Inoperative Remote Vehicle Start (08-08-52-002)
- Security System Will Not Arm When Using Remote Transmitter (Repair Hood Contact Switch Connector Terminals) (06-08-56-001)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Door Latch Freezing In Cold Temperatures (05-08-64-002B)
Automatic Trans
- Transmission Oil Leaking From Transmission Vent (Replace Transmission Case Cover (Channel Plate) Gasket) (01-07-30-032E)
- Automatic Transmission/Transaxle Torque Converter Replacement (01-07-30-010C)
- Automatic Transaxle/Transmission Shift Lever May Not Shift Out of Park (Replace Brake Transaxle Shift Interlock (BTSI) Solenoid) (07-07-30-007)
- Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
- Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
Auxiliary Emission Control Systems
- Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
- New Add Time For Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
Body Electrical
- Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
Body Interior
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
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 (43-64-07A)
- Battery and Charging System Electrical Diagnostics (99-06-03-012)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Clutch
- Improved Bleeding Procedure for Hydraulic Clutch Release System (01-07-31-002B)
Communication Devices
- Language Change For ONSTAR® System (U.S. And CANADA Only) (05-08-46-009D)
- Information on OnStar® Dual-Mode (Analog/Digital) Systems (06-08-46-008C)
- Re-establishing Communications with OnStar® Center After Battery Disconnect (00-08-46-004C)
- Availability of GM OnStar® Vehicle Diagnostics and GM Goodwrench® Remote Diagnostic Services (06-08-46-002B)
- Cataloging of Electronic Service Center Parts (06-00-89-016A)
- Incorrect OnStar® Global Positioning System (GPS) Location Reported During OnStar® Call (02-08-46-006C)
- Information on OnStar® Dual-Mode (Analog/Digital) Systems (06-08-46-008A)
- Information On ONSTAR System - Possible Loss Of GPS Signal, Hands-Free Calling Minutes Expire Prematurely And/Or Inability To Add Hands-Free Calling Minutes (02-08-46-007D)
- Parts Restriction on Ordering OnStar(R) Generation 5 and 6 Vehicle Communication Interface Modules (VCIM) (03-08-46-004A)
Cooling Fan
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Cooling System (Mechanical)
- Engine Coolant Thermostat Now Available for Service Use (09-06-02-007)
- Radiator/Coolant Leak (Replace Radiator, Attach Foam Tape to Fan Shroud and Add Washer to Upper Mounting Bracket) (08-06-02-002B)
- DEX-COOL® Coolant - New Leak Detection Dye J 46366 - Replaces J 29545-6 (05-06-02-002B)
- Engine Coolant Recycling and Warranty Information (00-06-02-006D)
Differentials & Drive Axles
- Diagnostic Information for Front Wheel Drive Transaxle/Transmission Final Drive and/or Front Hub Bearing Hum and/or Grind Noise (06-07-30-006)
Engine Control Systems
- Diagnostic Tip: Different ECMS And ECM Calibrations Available Depending On PCV Valve Style (PIP4406C)
- Oil Pressure Light Flickers at Idle (Check Oil Pressure/Replace Oil Pressure Sensor and Clean Connector) (09-06-04-020B)
- LXT, L91, Poor Acceleration, Throttle Body Frozen Shut and/or Stuck Closed, MIL/SES Light Illuminated, DTCs P1516, P2106 and/or P2110 Set in Extremely Low Temperatures with High Humidity Condition After an Initial Cold Engine Start or While Driving, Reduced Engine Modes (Install PCV Valve Kit and Reprogram ECM) (08-06-04-004B)
- EI08029 - Engine Control Module (ECM) Replacement, Reprogramming, MIL/SES and/or DTC Set, Driveability Concerns, Reduced Engine Power or Poor Performance (Diagnose/Replace ECM) (08-06-04-007B)
- Malfunction Indicator Lamp (MIL) Illuminated, DTC P0111 or P0131 Set After Using Engine Coolant Heater (Reprogram Engine Control Module (ECM)) (09-06-04-010A)
- Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Vehicles Without Engine Oil Life System (05-00-90-009)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Entertainment Systems
- Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
- Changes to XM Network of Terrestrial Repeaters (08-08-46-006)
- Parts Restriction on Ordering XM Digital Radio Receiver (04-08-44-009A)
- Utilizing Tech 2® To Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
- Cataloging of Electronic Service Center Parts (06-00-89-016A)
- Information on Rear Seat Headphone Foam Ear Pad Replacement if Worn or Damaged (05-08-44-005A)
- Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
- Radio Knobs Available for Service (05-08-44-029A)
- XM Radio Labor Operation Codes (03-08-44-001A)
Exhaust
- New Add Time For Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
Exterior Body Panels
- Metal Panel Bonding (02-08-98-001C)
- Security System Will Not Arm When Using Remote Transmitter (Repair Hood Contact Switch Connector Terminals) (06-08-56-001)
- Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
- Elimination of Fuel Filler Tube Flapper Door (06-06-04-006)
Exterior Lights
- Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (43-64-07A)
Frames, Subframes & Crossmembers
- Information on Repair of Polypropylene Energy Absorbers (63-20-02)
- Elimination of Front License Plate Bracket (Canada Only) (05-00-89-082)
Front Suspension
- Dry Squawk/Rubbing Noise from Front Suspension When Driving Over Bumps or Rough Surfaces (Replace Front Control Arm Rear Bushings) (07-03-08-001A)
- Crunch, Squawk, or Grind Noise From Front Suspension While Driving Over Bumps at Low Speed (Replace Front Stabilizer Shaft Insulators) (06-03-08-004A)
Fuel System
- Use of E85 Fuels in Vehicles Not Certified by GM as being FlexFuel Compatible / Aftermarket Conversion of Vehicles to Operate on E85 Fuels (06-06-04-035A)
- 1.6L L91 Intermittent Misfire During Deceleration or Steady State Highway Driving After Cold Start with DTCs P0300, P0700, P1781 and/or U0401 Set (Replace Valves and Valve Stem Seals) (05-06-01-030D)
- Elimination of Fuel Filler Tube Flapper Door (06-06-04-006)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Fuses & Circuit Breakers
- Service Alert: Concerns With Aftermarket Fuses in GM Vehicles (07-08-45-002)
- Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair, and the Importance of J-38125 Electrical Terminal Repair Kit Maintenance (06-08-45-001)
Gauges & Instrument Panels
- Oil Pressure Light Flickers at Idle (Check Oil Pressure/Replace Oil Pressure Sensor and Clean Connector) (09-06-04-020B)
- Speedometer Inaccurate/Displays Higher Than Actual Speed (Replace Instrument Panel (IP) Cluster) (10-08-49-001)
- Utilizing Tech 2® To Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
- Cataloging of Electronic Service Center Parts (06-00-89-016A)
- Speedometer Inaccurate/Displays Higher Than Actual Speed (Replace IP Cluster) (07-08-49-017)
- PRNDL Display Reduced Visibility For Approximately One Minute (02-08-72-004A)
- Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
- Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
HVAC Control Systems
- HVAC Blower Motor Inoperative, Blower Motor Operates on High Speed Only (Replace Blower Motor, Vent Hose and Resistor) (10-01-37-001C)
- Information On New GE-48800 CoolTech Refrigerant Recovery/Recharge Equipment (08-01-38-001)
- 18 Digit "Snapshot/Charge Summary" Code No Longer Required For A/C Refrigerant System Repairs Submitted For Warranty Reimbursement (05-01-38-008B)
- Contaminated R134a Refrigerant Found on Market for Automotive Air-Conditioning Systems (06-01-39-007)
Ignition Switch/Steering Lock
- Locating Radio, Key And Immobilizer Codes (04-00-89-007G)
- Ignition Key is Hot or Warm When Removed From Ignition Lock Cylinder After Driving (Replace Ignition Lock Cylinder Solenoid) (07-02-35-007)
Ignition System
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Infotainment
- Navigation Radio Diagnostic Tips (08-08-44-010F)
- Re-establishing Communications with OnStar® Center After Battery Disconnect (00-08-46-004C)
- Cataloging of Electronic Service Center Parts (06-00-89-016A)
- Incorrect OnStar® Global Positioning System (GPS) Location Reported During OnStar® Call (02-08-46-006C)
- Information On ONSTAR System - Possible Loss Of GPS Signal, Hands-Free Calling Minutes Expire Prematurely And/Or Inability To Add Hands-Free Calling Minutes (02-08-46-007D)
- Information on Obtaining Replacement Navigation Discs When Radios are Exchanged - Order Replacement Navigation Disc Through Navigation Disc Center (07-08-44-007)
Interior/Exterior Trim
- Radio Knobs Available for Service (05-08-44-029A)
- Elimination of Front License Plate Bracket (Canada Only) (05-00-89-082)
Lubrication System
- Oil Pressure Light Flickers at Idle (Check Oil Pressure/Replace Oil Pressure Sensor and Clean Connector) (09-06-04-020B)
- 60 Degree V6 Engine Oil Leak at Crankshaft Front Oil Seal (Use New Crankshaft Front Oil Seal Installer Tool EN-48869) (07-06-01-023)
- Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
- L91 Oil Leak at Front of Engine, May be Caused by Oil Pump Gasket (Replace Original Oil Pump Gasket with Metal Reinforced Gasket) (07-06-01-012A)
- Vehicles Without Engine Oil Life System (05-00-90-009)
Manual Trans
- Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
Mechanical
- EI06005 - 1.6L L91 Timing Belt Inspection, Maintenance, Worn, Wear (06-06-01-021B)
- Engine Oil Leak at Crankshaft Rear Main Oil Seal (Install Revised Crankshaft Rear Main Oil Seal Using Revised Rear Main Seal Installer and Remover Tools) (05-06-01-019F)
- 1.6L L91 Intermittent Misfire During Deceleration or Steady State Highway Driving After Cold Start with DTCs P0300, P0700, P1781 and/or U0401 Set (Replace Valves and Valve Stem Seals) (05-06-01-030D)
- Revised Mass Air Flow Core Return Requirements (06-06-04-057)
- Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
Mechanical - Hydraulic
- Brake Align® System for Brake Rotor Lateral Runout Correction (01-05-23-001B)
- Brake Rotor/Drum Refinishing Labor Operations (06-05-22-007)
- On-Car Brake Lathe Specifications and Maintenance Requirements (05-05-22-001)
Mirrors
- Information On Curb Park Assist And Memory Related Issues On Outside Rearview Mirrors (07-08-64-022B)
Paint & Coatings
- Cloudy Spot in Paint After Protective Covering is Removed (Heat Area) (05-08-51-005)
- Body Panel Paint Color Formulas (05-08-51-004)
Restraints Control Systems
- Availability of New Passenger Seat Cushions for Service (07-08-50-023)
- New SIR System Disabling and Enabling Procedure (05-09-41-010)
Seats
- Availability of New Passenger Seat Cushions for Service (07-08-50-023)
Starter
- Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (43-64-07A)
- GM Dealer Visits: Proper Management of Batteries in Dealer Parts Stock / Vehicle Inventory (08-06-03-005)
- Battery and Charging System Electrical Diagnostics (99-06-03-012)
- Battery Charging Tips (Includes Information References for HP2 Hybrid Truck [PHT] 42-volt System) (02-06-03-009C)
- Starter Cranks After Key Is Released (Normal Condition) (03-06-03-001D)
- Intermittent No Crank, No Start (03-06-03-006A)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Suspension Control Systems
- Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements (08-03-16-003)
System
- EI08145 - Check Engine Light Illuminated, DTC P0420 Catalyst System Low Efficiency, O2 Lean Limit Code P0131, P0133 (Replace All Injectors) (08-06-04-027B)
- LXT, L91, Poor Acceleration, Throttle Body Frozen Shut and/or Stuck Closed, MIL/SES Light Illuminated, DTCs P1516, P2106 and/or P2110 Set in Extremely Low Temperatures with High Humidity Condition After an Initial Cold Engine Start or While Driving, Reduced Engine Modes (Install PCV Valve Kit and Reprogram ECM) (08-06-04-004B)
- EI08117 - 1.6L L91, Reduced Engine Power, I/P Light On, DTC P2135, Throttle Position Sensor (08-06-04-023B)
- Diagnostic Trouble Codes (DTCs) Required On Repair Orders (06-00-89-050B)
- Poor Acceleration, Throttle Body Frozen Shut or Stuck Closed, DTC P1516, P2106 and/or P2110 Set in Cold Weather Conditions (Reprogram ECM) (06-06-04-050A)
- 1.6L L91 Intermittent Misfire During Deceleration or Steady State Highway Driving After Cold Start with DTCs P0300, P0700, P1781 and/or U0401 Set (Replace Valves and Valve Stem Seals) (05-06-01-030D)
- Information on Diagnosing DTC P2106 and P2110 - Low Voltage Condition May Be Present (07-06-04-009)
- Malfunction Indicator Lamp (MIL)/Service Engine Soon (SES) Lamp Illuminated, DTC P0106 (MAP Sensor Performance) and/or P0133 (HO2S Slow Response Sensor 1) Set (Reprogram ECM) (07-06-04-005)
- No Start or Rough Idle During Cold Weather, and/or Check Engine Light On with DTC P0606 "Control Module Internal Performance" Set (Replace ECM) (06-06-04-059)
- Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
- Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing (06-06-04-037)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
Transfer Case
- Instructions To Be Followed To Aid in Obtaining Root Cause Analysis on Both OEM and Goodwrench(R) Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
Transmission Control Systems
- Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
- Automatic Transaxle/Transmission Shift Lever May Not Shift Out of Park (Replace Brake Transaxle Shift Interlock (BTSI) Solenoid) (07-07-30-007)
- Diagnostic Trouble Code (DTC) P0757 Set, Malfunction Indicator Lamp (MIL) Illuminated, Poor Performance of Transmission, Transmission Slipping (Clean Transmission Valve Body and Case Oil Passages of Debris) (01-07-30-038D)
- Inspection Of Related Wiring Harness Connections When Diagnosing Misc. DTCS, Intermittent DRIVEABILITY Concerns, Hard Start, No Start, Incorrect Gauges, INOP I/C Systems, SES/4WD Lamps Illuminated (03-06-04-012A)
Wheels & Tire System
- General Motors New Vehicle Wheel Warranty Coverage (07-03-10-015B)
- GM of Canada New Vehicle Limited Warranty Tire Program (01-03-10-003G)
- Performance Characteristics of Vehicles with Accessory Wheel/Tire Assemblies Installed as "Upsized" to Original Equipment (05-03-10-005D)
- Minimizing Damage to Tire Pressure Monitor (TPM) Sensors During Tire Mounting/Dismounting (08-03-10-007)
- Warranty Reduction - Transfer of Tire Pressure Monitoring (TPM) Sensors to Replacement Wheels and Allowable TPM Sensor Replacements (08-03-16-003)
- Pitting and Brake Dust on Chrome Wheels (04-03-10-012B)
- Proper Use of OEM Service Wheel Weights, Marring and/or Damage Due to Use of Non-OEM and/or Incorrect Wheel Weight Installation (06-03-10-004)
- Use Recommended Tire Mounting Lubricant To Prevent Tires From Slipping on Chrome Wheels (T-93-93)
Window Motors & Regulators
- Urethane Adhesives For Stationary Glass And Other Applications (02-08-48-001A)
Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
- Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair, and the Importance of J-38125 Electrical Terminal Repair Kit Maintenance (06-08-45-001)