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)
- Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation (83-12-21)
- J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment (99-01-38-006B)
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)
- Cruise Control Operation - Increasing Set Speed (04-08-68-002)
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)
- 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)
- Remote Keyless Entry (RKE) Key Fob Comes Apart and Key Fob Screw Is Missing (Install New Screw) (04-08-52-007)
- 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)
- Hard Start, No Start, or Rough Idle in Temperatures Near or Below -20°C (-4°F) (Install New Positive Crankcase Ventilation (PCV) System) (05-06-04-065A)
- New Add Time For Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
- Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
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)
- Clutch Intermittently Does Not Disengage During Cold Weather (Replace Clutch Master Cylinder) (04-07-31-007)
Communication Devices
- 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 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)
- Unable to Connect to OnStar(R) or OnStar(R) Personal Calling Inoperative (04-08-46-003B)
- Parts Restriction on Ordering OnStar(R) Generation 5 and 6 Vehicle Communication Interface Modules (VCIM) (03-08-46-004A)
- Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines (04-08-46-002)
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)
- Information On Aluminum Heater Core and/or Radiator Replacement (73-62-13A)
- 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)
- Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool (05-06-02-006)
Cruise Control Systems
- Cruise Control Operation - Increasing Set Speed (04-08-68-002)
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
- Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (4-06-04-036E)
- Revised DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 or P2610 (06-06-04-031)
- 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)
- Information on CKP Learn Procedure After Engine Control Module (ECM) Reflash or Replacement (04-06-04-067)
- Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
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)
- Usage of E85 Fuels in GM Vehicles (05-06-04-035)
- Repair Procedure for Service Sheet Metal - Craters in ELPO Surface (04-08-98-002)
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)
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)
- Revised Ball Joint-to-Control Arm Nut Tightening Specification (05-03-08-018)
- Metallic Knocking Noise from Front of Vehicle (Tighten Ball Joint-to-Control Arm Nuts) (05-03-08-015)
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)
- 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)
- Usage of E85 Fuels in GM Vehicles (05-06-04-035)
- Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
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
- 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 Aluminum Heater Core and/or Radiator Replacement (73-62-13A)
- 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)
- Contaminated R-134a A/C Systems - Air Conditioning System Flushing Procedures and Universal In-Line A/C Filter Installation (83-12-21)
- J-43600 ACR 2000 Essential Refrigerant Recovery/Recharge Equipment (99-01-38-006B)
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)
- Unable to Connect to OnStar(R) or OnStar(R) Personal Calling Inoperative (04-08-46-003B)
Interior/Exterior Trim
- Radio Knobs Available for Service (05-08-44-029A)
- Plastic Wheel Nut Covers Missing and/or Loose (Replace Missing Covers and Add Sealant to All Covers) (01-03-10-009A)
Lubrication System
- 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)
- Engine Oil Leak at Oil Pan Drain Plug (Replace Drain Plug and Washer) (06-06-01-001A)
- 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)
- Engine Oil Leak at Oil Pan Drain Plug (Replace Drain Plug and Washer) (06-06-01-001A)
- 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)
- Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections (03-05-24-001A)
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)
- Repair Procedure for Service Sheet Metal - Craters in ELPO Surface (04-08-98-002)
Restraints Control Systems
- New SIR System Disabling and Enabling Procedure (05-09-41-010)
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)
- Hard Start, No Start, or Rough Idle in Temperatures Near or Below -20°C (-4°F) (Install New Positive Crankcase Ventilation (PCV) System) (05-06-04-065A)
- 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)
- Battery Parasitic Drain (02-06-03-010A)
Steering Linkage
- Revised Ball Joint-to-Control Arm Nut Tightening Specification (05-03-08-018)
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)
- Diagnostic Trouble Codes (DTCs) Required On Repair Orders (06-00-89-050B)
- 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)
- 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)
- Revised DTC P0601-P0607, P1600, P1621, P1627, P1680, P1681, P1683 or P2610 (06-06-04-031)
- Misfire DTCs P0300, P1380, P1381 and Catalytic Converter Damage Due to Installation of Alarm Systems (02-06-05-004B)
- Information on CKP Learn Procedure After Engine Control Module (ECM) Reflash or Replacement (04-06-04-067)
- Warranty Coverage Change for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036)
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)
Wheel Alignment
- New Alignment Procedure For Labor Operation Numbers E2020 and E2000 (04-03-07-002A)
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)
- Rear Wheel Bearing Noise and/or Squeak/Squeal from Rear of Vehicle (Replace Bearing and Seal) (06-03-09-001)
- 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)