Technical Service Bulletins

2008-09-29: Eliminating Unwanted Odors in Vehicles (00-00-89-027E)
2008-09-29: Navigation Radio Diagnostic Questionnaires for Warranty Exchanges Through PQC Parts Restriction Process -For Navigation Radios with AM, FM, XM, CD, DVD, NAV, GPS, MP3, USB,Audio, Display, Map Concerns (08-08-44-010D)
2008-09-26: Odometer Servicing When The Odometer Cannot be Set to the Actual Mileage - keywords cluster ipc mile program (PIT4720)
2008-09-25: Updated Warranty and Goodwill Exchange Program for Electronic Products (08-08-44-029)
2008-09-22: Location of Auxiliary Brake Control Harness/Wire U86 Option - keywords connector lamp light locate trailer (PIT3479D)
2008-09-22: Electronic Exchange Program Changes (03-00-89-013D)
2008-09-19: Information Required Before Ordering A New OnStar VCIM For A DTC B1000 - keywords blue button communication message no noconnect operation (PIC4600A)
2008-09-15: Information on Discoloration, Blistering, Peeling or Erosion of Various Exterior Emblems Including the Chevy Bowtie (06-08-111-004A)
2008-09-05: Headlamp Lens Overheating When Covered and Chemical Damage to Exterior Polycarbonate Headlamp Lenses (02-08-42-001C)
2008-08-29: Car and Truck Fix It Right the First Time Issues (08-00-89-029A)
2008-08-29: Requirements for Changing Tire and Wheel Assemblies - New Vehicle Placard (U.S. and Canada Only) (07-03-10-016C)
2008-08-28: Information on Inadvertent Steering Wheel Control (SWC) Button Press Causing Radio Anomalies) (08-08-44-028)
2008-08-27: New Labor Operation Codes for Dealer-Installed GM Accessories Replaced During Warranty Coverage Period (02-00-89-014E)
2008-08-26: Damaged Turbo Chargers When Returned to the WPC - keywords diesel engine lbz leak lly lmm noise oil p003a p0234 p0299 p2563 p2564 p2565 return turbocharger (PIP3224B)
2008-08-26: SES Light and DTC P0230 (PIP4462)
2008-08-25: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006E)
2008-08-22: Navigation Radio Diagnostic Questionnaires for Warranty Exchanges Through PQC Parts Restriction Process (For Navigation Radios with AM, FM, XM, CD, DVD, NAV, GPS, MP3, USB, Audio, Display, Map, Noise) (08-08-44-010B)
2008-08-14: Information on Aftermarket Device Interference with OnStar Diagnostic Services (08-08-46-004)
2008-08-11: Informaiton on Refurbish Instead of Replace Out of Warranty Radios with Worn Graphics on Faceplate, Knobs or Buttons (08-08-44-026)
2008-08-06: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY (05-06-04-022E)
2008-08-05: Question Regarding Installation Of Dealer Installed Accessories (PIT3099E)
2008-08-01: SWC Operation After OnStar ADT Upgrade - keywords call calling control inoperative steering wheel (PIC4820A)
2008-07-25: Replacement of Shock Absorbers and Struts and Use of Labor Operations E3800, E3801, E3807, E5800, E5801, E5807, E3850, E3857, E5750, E5751 and E5757 (05-03-08-002B)
2008-07-25: Rubbing Noise Inside Of The Bell Housing After Clutch Assembly Replacement - keywords 8.1L engine grind housing noise transmission rub (PIP4442)
2008-07-23: Disabled OnStar System Identification - keywords blue button communication deactivated digital disabled information led no operation red (PIC3597F)
2008-07-23: OnStar Power Consumption - keywords battery digital discharge drain draw parasitic VCIM (PIC4935)
2008-06-27: Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non-Overpower Engine Non-Function of Pistons, Cylinders and Valvetrain (06-06-01-007B)
2008-06-27: Technical Assistance Center (TAC) Coverage Available for Current and Last Nine Model Year Vehicles (U.S. Only) (07-00-89-047B)
2008-06-27: Programming ECM For PTO Idle Up Operation - keywords engage fast high information input operation pcm reprogram rpm speed (PIT4507B)
2008-06-24: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only (04-06-04-047H)
2008-06-20: Information on Use of Customer Concern Verification Sheets, Comeback Prevention, GM Technical Assistance Information Form (TAC), Strategy Based Diagnostics (SBD), Intermittent Concerns, Diagnostics (01-00-89-010H)
2008-06-18: Information on Navigation Radio Not Displaying Accurate Vehicle Location After Radio Replacement, Power Loss or Battery Replacement (08-08-44-023)
2008-06-18: OnStar Voice Recognition Operation Issues - keywords information intermittent microphone performance voice (PIC3011E)
2008-06-18: Unable To Connect To OnStar Handsfree Calling Digital Hardware - keywords cellt cellular communication droppedcall failedtovoice information intermittent OPC operation no noconnect performance region (PIC4310C)
2008-06-17: Fuel and Oil Additives - Facts and Myths/Maximizing Fuel Economy (05-00-89-072B)
2008-06-16: Questions Regarding Installation Of Dealer Installed Accessories (PIT3099D)
2008-06-11: Unwanted Repeated Calls to OnStar / Replace VCIM - keywords call letter mail phantomcall phone repeat (PIC4893)
2008-06-10: Servicing Medium Duty Trucks, Including Conventional and Crew Cabs, Motorhome Cutaway Cab, Commercial Cutaway Cab (Ambulance, School Bus, Shuttle Bus) and Tilt Cabs (08-00-89-021)
2008-06-05: Information on Curb Park Assist and Memory Related Issues on Outside Rear View Mirrors (07-08-64-022A)
2008-05-30: Requirements for Changing Tire and Wheel Assemblies - New Vehicle Placard (U.S. Only) (07-03-10-016A)
2008-05-30: Intermittent, Current or History DTC B2476 in Onstar GEN 6 or 7 VCIM - keywords blue button call communication data digital information keypad led OPC operation red (PIC4574B)
2008-05-29: GM Dealer Visits: Proper Management of Batteries in Dealer Parts Stock/Vehicle Inventory (08-06-03-005)
2008-05-22: IPC Odometer Programming Method Quick Reference Guide (07-08-49-020B)
2008-05-16: Minimizing Damage to Tire Pressure Monitor (TPM) Sensors During Tire Mounting/Dismounting (08-03-10-007)
2008-05-12: Automatic Transmission/Transaxle Torque Converter Replacement (01-07-30-010C)
2008-05-08: Warranty Coverage for Emission-Related Reprogramming Events (PCM, ECM and TCM) (04-06-04-036E)
2008-05-02: Manual Transmission Operating Characteristics (03-07-29-004E)
2008-05-02: Exterior Lamp Condensation and Replacement Guidelines (01-08-42-001F)
2008-05-02: Parts Restriction on Ordering OnStar Generation 6 and 7 Vehicle Communication Interface Modules (VCIM) (03-08-46-004D)
2008-05-01: GM Accessories Wheel Appearance Standards - keywords accessory aesthetics blister chrome ding dent dust peel rim wheel (PIT4636)
2008-04-30: Diagnostic Trouble Codes (DTCs) Required on Repair Orders (06-00-89-050B)
2008-04-30: ACDelco Replacement Battery Warranty Procedures (03-06-03-003B)
2008-04-29: Processing GM Accessories - Initial Quality Issues (04-00-89-018C)
2008-04-28: Warranty System Changes - Medium Duty Trucks (07-00-89-031A)
2008-04-24: Parts Restriction on Ordering XM Digital Radio Receiver (03-08-44-022E)
2008-04-18: Information for Dealers on How to Submit a Field Product Report (02-00-89-002G)
2008-04-17: Being Prepared for TAC, Caller Preparedness - Contacting U.S. Technical Assistance (TAC) and Use of Strategy Based Diagnostics (08-00-89-014)
2008-04-17: Electronic Exchange Program Goodwill Procedures (05-00-89-045A)
2008-04-17: Key Code Information (99-00-89-011C)
2008-04-17: Battery and Charging System Electrical Diagnostics (05-06-03-002C)
2008-04-16: Return or Reimbursement of Customer Owned CDs, DVDs, Cassette Tapes and/or CD Magazines (05-08-44-024A)
2008-04-14: Disabled OnStar System Identification - keywords blue button communication deactivated digital disabled information LED no operation red (PIC3597E)
2008-04-14: Use of Surface Conditioning Disks When Cleaning Engine Gasket Sealing Surfaces and/or Reused Engine Parts (00-06-01-012C)
2008-04-14: Unnecessary Leaf Spring Clip Replacement (04-03-08-011D)
2008-04-10: Handsfree Calling Inop With Demo Message On OnStar Keypress - keywords 05-08-46-006N blue button communication digital disabled message no OPC operation vs3bgen6 vs3bgen7 (PIC4564A)
2008-04-07: Passenger Side Front Outside Door Handle Inoperative (Replace Outside Door Handle) (08-08-64-005)
2008-03-31: Escalation Process for Critical Orders for Electronic Service Center (ESC) Parts (06-00-89-032A)
2008-03-28: Delayed Or No Drive And Or Delayed Or No Reverse With DTC P0701 - keywords P0751 P0756 P0761 P0843 P0848 P0873 P0877 late harsh shift fluid pressure switch (PIP4379)
2008-03-27: Diagnosing Accessory Drive Belt/Serpentine Belt Noise and Availability and Use of Kent-Moore EN-49228 Laser Alignment Tool - Drive Belt (08-06-01-008)
2008-03-26: Additional Information About Passenger Presence Systems (PPS) - keywords bladder restraint seat sensor SIR system weight (PIT4138A)
2008-03-19: Unable To Connect To OnStar Or Use OnStar Handsfree Calling Digital Hardware - keywords cellt cellular communication failedtovoice information intermittent OPC operation no noconnect performance (PIC4310B)
2008-03-14: SWC Operation After OnStar ADT Upgrade - keywords call calling control inoperative operation onstar steering wheel (PIC4820)
2008-03-12: New Primer For TPO Fascias and Affected Cleaning Process of Painting Operation (08-08-51-002)
2008-03-11: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006D)
2008-03-05: Unable To Receive Incoming OnStar Or HFC (Hands Free Calling) Calls - keywords blue button call cellular communication data digital incoming noconnect operation program tech2 UE1 vs3bgen6 vs3bgen7 (PIC4393G)
2008-03-03: Class 2 Platform Battery Drain Diagnosis Purpose - keywords accessory aftermarket generator low operation regulator volt voltage (PIC4798)
2008-02-22: Automatic Transmission Oil Cooler Flush and Flow Test Essential Tool J 45096 TransFlow (02-07-30-052E)
2008-02-19: GM Training: February 2008 New Course Information (For U.S. Dealers and Aftermarket) (08-00-89-006)
2008-02-08: Bi-Phase LPG system on 03-08 Chev GMC GMT560 with 8.1L Engine - keywords backfire diagnostics driveability fuel intake (PIP4337)
2008-02-06: GM Fuel System Treatment PLUS, Fuel Sending Unit Corrosion and Fuel System Deposits (05-00-89-078B)
2008-02-05: 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)
2008-02-05: Unnecessary Engine Crankcase and Subsystems Flushing Services, Additive Recommendations and Proper Utilization of GM Simplified Maintenance Schedule to Enhance Customer Service Experience (04-06-01-029B)
2008-02-04: Info on Close-Coupled Converter, Engine Breakdown or Non-Function Due to Severe Overheat/Lack of Oil Causing Pistons, Rods, Crankshaft, Cylinders/Heads, Camshaft, Intake/Exhaust Valves, Bearing Damage (06-06-01-010A)
2008-02-01: Duramax Diesel Injector Driver Codes - keywords ECM FICM P0300 P1223 P1226 P1229 P1232 P1235 P1238 P1241 P1244 chafe circuit chuggle connector miss misfire surge wire (PIP3394E)
2008-02-01: Pitting and Brake Dust on Chrome Wheels (04-03-10-012B)
2008-02-01: Distortion in Outer Surface of Vehicle Glass (00-08-48-005C)
2008-02-01: Information on Eliminating Noise in Audio System When Using Portable Playback Device (06-08-44-015A)
2008-01-31: Vibration Analysis Worksheet (03-00-91-001D)
2008-01-30: Remote Keyless Entry Operational Characteristics (99-08-52-005C)
2008-01-18: Utilizing Tech 2 to Retrieve Part Numbers for Radios, Compact Disc (CD) Changers and Instrument Panel Clusters (IPC) (04-08-44-005C)
2008-01-18: DEX-COOL Coolant - New Leak Detection Dye J 46366Replaces J 29545-6 (05-06-02-002B)
2008-01-17: Engineering Information (EI) Process (04-00-89-053B)
2008-01-17: GM Training: January 2008 New Course Information (For U.S. Dealers and Aftermarket) (08-00-89-003)
2008-01-17: Re-establishing Communications with OnStar Center After Battery Disconnect (00-08-46-004C)
2008-01-15: GM Technical Assistance Information Form (TAC) and Service Strategy Process Utilizing Customer Service Comeback Prevention, Strategy Based Diagnostics (SBD) and Intermittent Concern Diagnosis (01-00-89-011g)
2008-01-09: Seat Belt Extender Availability (99-09-40-005E)
2008-01-09: OnStar Labor Operation Codes (05-08-46-005B)
2008-01-08: Negative Impact of Dealer-Installed Cloth/Vinyl Roofs on XM Radio and/or OnStar Systems (02-08-44-007C)
2008-01-08: OnStar Phone Number Concerns (Phone Number Incorrect/Assigned to Another Vehicle/Phone) That Occur During Diagnosis of OnStar System (05-08-46-004B)
2008-01-08: Cataloging of Electronic Service Center Parts (06-00-89-016A)
2008-01-03: Use of Nitrogen Gas in Tires (05-03-10-020A)
2007-12-17: Warranty Parts Center/Corporate Parts Return Program (99-00-89-019E)
2007-12-07: Power Steering Fluid Foaming On a Cold Start - keywords cold duty fluid foam foaming leak md medium power start steer steering (PIT4487B)
2007-11-30: Battery Light Illuminated After IPC or Generator Replacement - keywords indicator IPC (PIT4542)
2007-11-21: Release of DEXRON-VI Automatic Transmission Fluid (ATF) (04-07-30-037D)
2007-11-19: Special Coverage Adjustment - Injectors-Replace (04039B)
2007-11-19: Power Steering Fluid Foaming On A Cold Start - keywords old duty fluid foam foaming leak md medium power start steer steering (PIT4487A)
2007-11-13: GM Training: November 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-056)
2007-11-13: GM Training: 2008 Service Training Standards (STS) Updates (U.S. Dealers) (07-00-89-055)
2007-11-12: Customer Concern Not Duplicated/Verified Labor Operations (06-00-89-026A)
2007-11-05: Exterior Lamp Condensation and Replacement Guidelines (01-08-42-001E)
2007-11-02: Corrosion Protection for Metal Panels With Dealer Installed Accessories Fastened By Drilled Holes (03-00-89-008D)
2007-10-22: Information on Dual Fuel Tank Fuel Supply and Return Operation (06-06-04-044A)
2007-10-18: Product Safety - Incorrect Steering Gear Spacer (07220)
2007-09-28: Diesel Engine Hard Start When Hot - keywords 04 05 06 07 08 6.6 air API crank filter fuel heat LBZ LLY LMM operate operating P0087 pressure prime pump restart soak stall temp temperature warm (PIP3504B)
2007-09-28: Information on Identifying Duramax Diesel LB7, LLY, LMM, LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non Overpower Engine Non-Function of Pistons, Cylinders (06-06-01-007A)
2007-09-28: Service Information Update on Consolidating Use of GM Liquid Gasket/Engine Sealants and New Sealant Dispenser GE-48326 Essential Tool (05-06-01-010B)
2007-09-21: Right Outside Door Handle Inoperative - keywords broken loose screw (PIT4488A)
2007-09-20: Damaged Turbo Chargers When Returned To The WPC - keywords 6.6 6.6l diesel engine LBZ leak LLY LMM noise oil P003A P0234 P2563 P2564 P2565 return turbocharger (PIP3224A)
2007-09-17: Information on Internal Engine Noise or Damage After Oil Filter Replacement (07-06-01-016A)
2007-09-14: GM Training: FINAL REMINDER - Hybrid Two-Mode Training Information (U.S. Dealers) (07-00-89-046)
2007-09-14: GM Training: September 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-045)
2007-09-12: Repair Information for Reconnection of Rear Window Defroster Contact or Tab (03-08-48-006B)
2007-09-05: Service Alert: Concerns With Aftermarket Fuses in GM Vehicles (07-08-45-002)
2007-08-31: Power Steering Fluid Foaming On A Cold Start - keywords cold duty fluid foam foaming leak md medium power start steer steering (PIT4487)
2007-08-31: Location Of Auxiliary Brake Control Harness / Wire U86 Option - keywords connector lamp light locate trailer (PIT3479C)
2007-08-31: Inaccurate Speedometer - keywords cluster erratic gauge IPC odometer VSS (PIT3294E)
2007-08-31: Right Inside Door Handle Inoperative - keywords broken loose (PIT4488)
2007-08-29: Information Required Before Ordering A New OnStar VCIM For A DTC B1000 - keywords B1000 blue button communication DTC information message no noconnect OnStar operation (PIC4600)
2007-08-27: Information on Engine Hourmeter Reading Not Being Transferred to New IPCs (07-08-49-003A)
2007-08-23: Warranty Admin. - Use of Parts and Components (Including Control Module Calibrations) Not Issued Through General Motors (07-00-89-043)
2007-08-20: Cracked Flywheel Housing - keywords 6sp 6.6L AI000207 coolant crack diesel flywheel housing leak manual speed transmission vibration LB7 LLY MD ML6 PI01948 PIT3669 PIT3669A PIT3669B PIT3669C c45 c55 (PIP4213)
2007-08-16: Warranty Admin. - Courtesy Transportation and Roadside Assistance Programs (07-00-89-037)
2007-08-14: Information on Internal Engine Noise or Damage After Oil Filter Replacement (07-06-01-016)
2007-08-13: Allison Transmission Service Repairs (02-07-30-042C)
2007-08-02: Starter Cranks After Key Is Released (Normal Condition) (03-06-03-001D)
2007-08-02: Warranty Admin. - GM Dealer Empowerment Program and Goodwill Procedures (05-00-89-055B)
2007-08-01: Information on Dealer and Customer Support Organization and Systems - General Motors Isuzu Commercial Truck (GMICT) Dissolved (07-00-89-035)
2007-07-30: Usage of E85 Fuels in GM Vehicles (05-06-04-035C)
2007-07-30: Lack of Power, Engine Will Not Rev-up, Idle Vibration, Engine Starting Concerns, DTCs P1093, P0087, P1087, P0088 and/or P1088 Set (Diagnose and Replace Suction Control Valve (SCV) (FPR), if Necessary) (07-06-04-021)
2007-07-26: TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - Canada ONLY (05-06-04-022D)
2007-07-25: GM Training - June 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-033)
2007-07-23: Warranty Administration - Required Operating Procedures (04-00-89-015A)
2007-07-20: Left or Right Front Door Trim Panel Armrest/Pull Handle Cover Pulls Off of Door (Replace Armrest/Handle with New Fasteners) (07-08-64-016)
2007-07-19: Information on Passenger Presence Sensing System (PPS or PSS) Concerns with Custom Upholstery, Accessory Seat Heaters or Other Comfort Enhancing Devices) (06-08-50-009B)
2007-06-27: GM Training:May 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-028)
2007-06-26: GM Training:April 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-025)
2007-06-26: GM Training:Service Training Standard (STS) Effective Date for Two Required Technology Close-ups (TCUs) was 04/14/07 (U.S. Dealers) (07-00-89-024)
2007-06-26: GM Training:Number of Technicians Required Reduced for Two Categories (U.S. Dealers) (07-00-89-016)
2007-06-26: GM Training:Three Technology Close-Up IDL Seminars as New 2007 Service Training Standard (STS) Requirements (U.S. Dealers) (07-00-89-014)
2007-06-26: GM Training:March 2007 New Course Information (For U.S. Dealers and Aftermarket) (07-00-89-013)
2007-06-26: GM Training:Course Information (For U.S. Dealers and Aftermarket) (07-00-89-011)
2007-06-22: Abnormal Noise And Or Vibration While Driving - keywords accessory aftermarket axle body boom buzz case grown growl howl moan modification no OEM part prop rattle resonance shaft transmission whine (PIP3140B)
2007-06-22: Use of Silicone for Weatherstrip Maintenance (99-08-64-016B)
2007-06-21: Intake Manifold Inspection/Replacement After Severe Internal Engine Damage (00-06-01-026B)
2007-06-13: Goodwrench Replacement Engines With Rear Main Seal Oil Leak - keywords crank crankshaft engine leak oil main rear replace replacement seal shaft (PIP4155)
2007-06-08: Windshield Wiper Performance, Cleaning Instructions and Maintenance (06-08-43-003A)
2007-06-05: GM Performance Parts Engine Warranty Q and A (04-06-01-019A)
2007-05-30: Low Voltage Display on IP Gauge, Lights Dim at Stop Lights, Battery Discharged, No Start, Slow Cranking, Dim Lights at Idle, Low Generator Output (02-06-03-008C)
2007-05-29: Air Conditioning Odor (Install Evaporator Core Dryer Kit and Apply Cooling Coil Coating) (99-01-39-004B)
2007-05-29: 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) (05-06-01-019E)
2007-05-24: Corrosion Protection for Metal Panels with Dealer Installed Accessories Fastened by Drilled Holes (03-00-89-008C)
2007-05-02: A/C Condensor Support Brackets To Turbocharger Intercooler Interference With Isuzu 7.8L LG4 Or CAT LG5 Diesel Engines - keywords intake leak power (PIT4373)
2007-04-23: Duramax 6.6L Hollow And Solid Pushrod Interchangeability - keywords arm broken diesel hole engine noise lube lubrication push repair rocker rocker arm rod tick tube valve valvetrain (PIP4121)
2007-04-23: Bumps or Rust Colored Spots in Paint Due to Rail or Iron Dust (Remove Rail Dust) (05-08-51-008B)
2007-04-17: Information on Obtaining Replacement Navigation Discs When Radios are Exchanged - Order Replacement Navigation Disc Through Navigation Disc Center (07-08-44-007)
2007-04-17: Information on Repair of Polypropylene Energy Absorbers (07-08-63-001)
2007-04-03: Warranty Administration - Labor Op T2020 - Tow, Add Time to Reconnect Prop Shaft (07-00-89-009)
2007-04-02: Info - Non-approval of Clipping (Sectioning of Two Vehicles) for Collision Repair (07-08-98-001)
2007-03-30: Turbo Charge Air Cooler Hose Oil Seepage, Or Dislodged On Acceleration - keywords 04 05 06 07 6.6 black boost clamp cool intake LBZ leak LLY low no noise P0299 pipe power smoke surge turbo whistle (PIP3068D)
2007-03-30: Glow Plug Control Module U0106 Resets Or Will Not Clear - keywords 04 6.6 LLY com communication data diesel DTC engine glowplug GPCM SES start wait light DTC U0106 (PIP3010A)
2007-03-30: Info - PRNDL Display Reduced Visibility for Approximately One Minute (02-08-42-004A)
2007-02-28: Location Of Auxiliary Brake Control Harness Wire U86 Option - keywords connector lamp light trailer (PIT3479B)
2007-02-22: Brake Light Switch Inoperative, Brake Warning Buzzer Sounding and Brake Warning Light On, DTCs C0164, C0272 Set (Remove and Splice Wire/Remove CHMSL Fuse/Replace Stop Lamp Switch) (07-05-22-001)
2007-02-20: Information on Diesel Fuel Additives (03-06-04-017D)
2007-01-24: KeyCode Security Rules and Information on GM KeyCode Look-Up Application (06-00-89-051A)
2007-01-17: Info - Hem Flange Rust Repair (02-08-98-002B)
2007-01-17: Info - Diagnostic Trouble Codes (DTCs) Required on Repair Orders (06-00-89-050A)
2007-01-11: Info - Non-GM Parts and Accessories (Aftermarket) (04-06-04-054A)
2006-12-13: Diesel Engine Hard Start Temperatures Below Freezing - keywords additive cold filter freeze fuel gel gelling LBZ LB7 LLY no P0087 P0093 P1093 restriction temp temperature vacuum wax waxing (PIP3317E)
2006-11-28: Info - TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only (04-06-04-047G)
2006-11-06: SMU - Discontinue Use of Sealer on Fuel Injection Line Fittings (06-06-04-060)
2006-10-30: Info - Exterior Lamp Condensation/Moisture/Water and Replacement Guidelines (01-08-42-001D)
2006-10-24: Warranty Admin. - Revised Mass Air Flow Core Return Requirements (06-06-04-057)
2006-10-09: Info - Metal Panel Bonding (02-08-98-001C)
2006-10-03: Info - Eliminating Unwanted Odors in Vehicles (00-00-89-027D)
2006-09-26: Front Shock Absorber Crack/Breakage After Extreme Rough Road Driving or from High Road Impacts (Replace Shock Absorber) (06-03-08-012)
2006-09-22: Info - Pitting and Brake Dust on Chrome Wheels (04-03-10-012A)
2006-09-14: Info - GM Fuel System Treatment PLUS, Fuel Sending Unit Corrosion and Fuel System Deposits (05-00-89-078A)
2006-09-12: Info - Distortion in Outer Surface of Vehicle Glass (00-08-48-005B)
2006-09-12: Info - New Ordering Process for Propeller Shafts or Prop-Shaft Systems Through GMSPO (06-04-17-001A)
2006-09-08: Information on Discoloration, Blistering, Peeling or Erosion of Various Exterior Emblems Including Chevy Bowtie (06-08-111-004)
2006-09-07: Information on Proper Wheel Changing Procedures and Cautions (06-03-10-010)
2006-08-22: Remote Keyless Entry Interference; Use of J43241 Fob Tester (PIT4105)
2006-08-17: 4T65E Whine Noise Park/Neutral - keywords bearing drive sprocket support (PIP3894)
2006-08-15: Engine Coolant Recycling and Warranty Information (00-06-02-006D)
2006-08-11: Info on Utra Low Sulfur Diesel Fuel and Warning Labels on Fuel Station Pumps -This Info Applies to Diesel Engines w/RPOs LBZ, LB7, LH6, LLY, LMM, LL4, LQM, LQN, L49, L56, L57, L65, LG4, 1C3, 1C2, 1L5 (06-06-04-041)
2006-08-11: Poor Acceleration from a Stop or Detonation in Gear at a Stop - keywords code DTC low MIL ping (PIP3144B)
2006-08-07: Information on Radio and Instrument Panel Cluster (IPC) Part Restrictions (U.S. Only) (06-00-89-038)
2006-08-04: Info - Normal Characteristics of Malfunction Indicator Lamp (MIL) During On-Board Diagnostic (OBD) Inspection/Maintenance (I/M) Testing (06-06-04-037)
2006-08-04: Light and Medium Duty Truck Warranty and Crossline Warranty Eligibility and Guidelines for Chevrolet and GMC Dealers (02-00-89-007A)
2006-08-01: Info - Chemical Staining, Pitting, Corrosion and/or Spotted Appearance of Chromed Aluminum Wheels (00-03-10-002D)
2006-07-25: Info - Contaminated R134a Refrigerant Found on Market for Automotive Air-Conditioning Systems (06-01-39-007)
2006-07-21: Owner Manual and Warranty Information in Service Information (SI) Website/Distributed on CD (06-00-89-036)
2006-06-19: Info - Refinishing Aluminum Wheels (99-08-51-007C)
2006-06-12: Info - Engine and Automatic Transmission/Transaxle Identification (06-00-89-031)
2006-06-12: Info - Promotional Pricing on Essential Tool Consumable Products (02-00-89-017B)
2006-05-30: GM Product Recall Campaign Follow Up Post Card (06-00-89-019A)
2006-05-25: Information Regarding Automatic Transmission Shift Lock Control Function (03-07-30-043A)
2006-05-17: Info - Instructions to be Followed to Aid in Obtaining Root cause Analysis on Both OEM and Goodwrench Engines, Transmissions and Transfer Cases on Vehicles with 402 km (250 mi) or Less (04-06-01-034C)
2006-05-15: Locations of E85 Refueling Stations and Expanded E85 Information (06-06-04-030)
2006-05-02: Info - Instrument Panel (I/P), Body and General Wiring Harness Repair (06-08-45-004)
2006-05-02: SPS Programming Concerns - keywords cluster communication DDM Door EBCM EBTCM engine gate HVAC IPC lift LGM module PCM PDM program SDM TBCM (PIT3418B)
2006-04-28: Water Intrusion into Cab (Inspect/Replace Roof Marker Lamp Lens/Bolts) (05-08-57-004A)
2006-04-27: Diagnostic Information for Inoperative Air Seats, Air Horn and/or Exhaust Brake and Release of New Auxiliary Air Compressor Relay and Pressure Switch on RPO K16 Vehicles (05-08-133-001A)
2006-04-26: SMU - Revised DTC P1172 (06-06-04-025)
2006-04-19: Intermittent Neutral from a Stop or 2-3 Shift - keywords 4L60E 4L65E flare launch slip (PIP3002D)
2006-04-19: Information on Eliminating Noise in Audio System When using Portable Playback Device (06-08-44-015)
2006-04-19: Info on Close-Coupled Converter, Engine Breakdown or Non-Function Due to Severe Overheat or Lack of Oil Causing Piston, Rod, Crankshaft, Cylinder, Head, Camshaft, Intake/Exhaust Valve, Bearing Damage (06-06-01-010)
2006-04-12: SMU - Revised DTC P1404 (06-06-04-022)
2006-04-06: Discontinuation of the Field Product Reminder Bulletin/Bulletin Subscription Information (06-00-89-018)
2006-04-04: Information - Iridium and Platinum Tip Spark Plug Maintenance - keywords 30K major minor preventative removal remove replacement tune up (PIP3069C)
2006-04-04: Identifying Duramax Diesel LB7/LLY/LBZ Overpower Engine Breakdown or Non-Function Due to Aftermarket Power-Up Devices vs. Non Overpower Engine Non-Function of Pistons, Cylinders, Valvetrain Components (06-06-01-007)
2006-03-29: Info - Vibration Analysis Worksheet (03-00-91-001C)
2006-03-29: Info - Urethane Adhesives for Stationary Glass and Other Applications (02-08-48-001B)
2006-02-24: Service VME - Underbody Corrosion - keywords appearance body frame rust (PIT3749A)
2006-02-24: Questions Regarding Installation of Dealer Installed Accessories - keywords 2.8 3.5 4.2 4.8 5.3 6.0 8.1 accessory part Partech (PIT3099C)
2006-02-17: Information on Changes to the SI Table of Contents, Electrical Connectors, Terminal Testing/Repair and the Importance of J-38125 Terminal Repair Kit Maintenance (06-08-45-001)
2006-01-27: Service VME - Use Correct Engine Oil Drain Plug - keywords drain engine leak oil pan plug replace (PIP3696)
2006-01-24: Info - Expediting Warranty Parts (99-00-89-021E)
2006-01-18: Antilock Brake System (ABS) Lamp Illuminated, Diagnostic Trouble Code (DTC) C0550 Set (Install Jumper Harness) (06-05-25-001)
2006-01-04: Info - Maintenance Cleaning of Fuel Injectors (04-06-04-051B)
2005-12-22: Info - New SIR System Disabling and Enabling Procedure (05-09-41-010)
2005-12-22: Warranty Admin. - New Add Time for Labor Operation L2300 - Converter, Oxidation Catalytic-Replace (02-00-89-006C)
2005-12-09: Info - Negative Impact of Dealer-Installed Cloth/Vinyl Roofs on XM Radio and/or OnStar Systems (02-08-44-007B)
2005-11-30: SMU - Revised Body Mount Replacement - Front and Body Mount Replacement - Rear (05-08-61-008)
2005-11-23: Diagnostic Information on Poor Performance, Lack of Power, Fuel System Not Returning Fuel Evenly (05-06-04-070)
2005-11-21: Info - Paint-less Dent Repair Process (99-08-51-001A)
2005-11-21: Product Safety - Tailgate Support Cable (04007B)
2005-11-16: Info - New PAG Oil Released (02-01-39-004B)
2005-11-11: Availability of Evaporator and Blower Motor Housing Water Drain Diverter to Avoid Water Intrusion into Engine Harness Area (05-01-37-005)
2005-11-08: Turbocharger Hose Clearance on Medium Duty Models C65 C75 C85 - keywords boost CAT engine LG5 low pressure (PIT3773)
2005-11-02: Warranty Admin. - Servicing Medium Duty Trucks, Including Conventional and Crew Cabs, Motorhome Cutaway Cab, Commercial Cutaway Cab (Ambulance, School Bus, Shuttle Bus), and Tilt Cabs (05-00-89-075)
2005-10-27: Radio Displays XM Error or DTC U1137 - keywords communication digital loss nocomm operation performance tech2 U2K (PIC3303A)
2005-10-24: New Power Take-Off (PTO) Option Programming Information and Procedures (05-06-04-068)
2005-10-04: New Vehicle Pre-Delivery Inspection - Perceived Fuel Economy and Driver Information Center Center/Saab Information Display (DIC/SID) Settings (03-00-89-021A)
2005-09-16: Customer Satisfaction - 15,000 Mile (24,000 km) Fuel Filter Change (05546A)
2005-08-18: Info - Diagnosis of Cracked or Broken Transmission Case (02-07-30-024B)
2005-08-17: Info - Release of GM Tool Organizaiton DVD Version 8.0 (J-43921-G) (05-00-89-056)
2005-08-05: Info - SPAC Case Escalation Process (05-00-89-050)
2005-08-02: Info - Guidelines for Proper Use of Labor Operation Numbers when Servicing Transfer Case (05-04-21-004)
2005-07-14: Excessive Oil Consumption - keywords bolt gasket head intake (PIP3193B)
2005-06-27: Warranty Admin. - Out-Of-Warranty Parts for Engineering Analysis (05-00-89-037)
2005-06-23: Compensating for Different Axles Ratio and Tire Sizes with a VCI Number - keywords calibration ECM PCM pinion recalibrate reflash reprogram ring wheel TCSC techline (PIP3096B)
2005-06-16: Info - Proper Diagnosis of Fuel System Concerns - Engine Cranks But Does Not Start, No Start (05-06-04-042)
2005-06-08: Info - On-Car Brake Lathe Specifications and Maintenance Requirements (05-05-22-001)
2005-06-07: SMU - Revised DTC P0045 (05-06-04-040)
2005-06-07: SMU - Revised DTC P0090 (05-06-04-039)
2005-06-03: Product Emission - Engine Horsepower Specifications - Reprogram ECM (05520)
2005-06-03: Goodwrench Powertrain Wholesale Program (U.S. Only) (05-06-01-017)
2005-05-23: 12 Inch Parking Brake Drum Cable Adjustment - keywords duty hydraulic medium (PIT3590)
2005-05-12: Instructions for Using GE-47716 Vac-N-Fill Coolant Refill Tool (05-06-02-006)
2005-05-09: Oil Leak Under Extreme Cold Temperatures (-34 Degrees Celsius, 30 Degrees Fahrenheit or Colder) (Install Vented Oil Fill Cap) (05-06-01-014)
2005-04-26: Product Safety - Body Wiring Harness Chafing (05035)
2005-04-22: Adm Msg-2003, 2004, 2005 TopKick/Kodiak C4500/C5500 Equipped w/Allison 1000/2000 Series A/T, Allison Trans Service Repairs (VSS20050464)
2005-04-19: Instrument Panel Cluster Diagnostic Information (05-08-49-012)
2005-03-23: Product Safety - Hydro-Boost Accumulator Over-Pressurization (05006)
2005-03-23: SMU - Revised DTC U2104 (05-06-04-025)
2005-03-21: Service Information Regarding Rear Brake Drum Wheel Cylinder Inspections (03-05-24-001A)
2005-03-17: Info - GM Parts Ordering System (05-00-89-018)
2005-03-17: SMU - Revised DTC P2563 (05-06-04-023)
2005-02-09: Info - Global Position Sensor (GPS) Performance Degradation (00-08-46-003B)
2005-02-09: Information on Air Brake Park Brake Chamber Vent Holes to Avoid Water Intrusion (05-05-27-001)
2005-01-24: Info - Compact Disc (CD) or DVD Player Skipping, Inoperative, Sluggish and/or Long Search Times (05-08-44-001)
2005-01-07: All General Motors Passenger Cars, Trucks and Utilities Use of Star Washer on a Body or Chassis Ground - kw wire connector terminal starwasher star washer (PIT3353)
2004-12-10: 2004 2005 6.6L LLY Engine Oil Leak at Rear Housing Cover Bolt - kw C4500 C5500 diesel GMT800 GMT560 flywheel housing rear main seal (PIP3258)
2004-12-06: 6.6L Engine Oil Leak at Main Bearing Cap Side Bolt - kw sealant seal LLY LB7 diesel (PIP3011C)
2004-11-18: Info - Shipping Enhancements for Owners Manuals and Service Manuals Ordered from Helm, Inc. (04-00-89-057)
2004-11-18: Warranty Admin. - Warranty Return Parts (04-00-89-051)
2004-10-20: Info - Radio Telephone/Mobile Radio (Transceiver) Installation and Troubleshooting Guidelines (04-08-46-002)
2004-10-11: Info - Squeeze Type Resistance Spot Welding/Equipment (03-08-98-002A)
2004-09-22: Info - Effect of Steering Box Limiter Adjustment on Turning Radius and Possibility of Power Steering System Damage Due to Improper Adjustment (03-02-32-044A)
2004-09-16: All 1995-2005 Passenger Cars and Trucks Information on Testing Centers for Fluid Contamination - kw brake coolant fluid fuel gasket gear hydraulic leak oil part porosity power seal specification (PIT3173)
2004-09-10: All GM Vehicles Using Class 2 Communications Diagnostic Strategy for DTC U1000 or U1255 - kw BCM code EBTCM radio RIM (PIT3154)
2004-08-23: 04 Chevrolet/GMC C-T Isuzu F 7.8L Variable Vane Turbocharger Service Part Numbers - kw MD FSR FTR diesel LG4 CTF part (PIT3120)
2004-08-19: Odometer Accuracy - kw inaccurate cluster speedometer (PIC3100)
2004-08-05: Allison LCT1000 P1781 or P0802 Setting in the ECM - kw 6.6 8.1 code CEL DTC ECM GMT560 GMT800 intermittent L18 LB7 LLY light M74 MIL P1781 P0802 PCM repeat shift start TCM transmission (PIP3094)
2004-08-02: Info - Repair Procedure for Service Sheet Metal, Craters in ELPO Surface (04-08-98-002)
2004-07-27: Warranty Admin. - Changes to General Motors Vehicle Inquiry System (GMVIS) (04-00-89-029)
2004-07-15: Service VME - Updates to SI and the PI Numbering Process - kw information (PIC3031A)
2004-07-02: Info - Battery Parasitic Drain (02-06-03-010A)
2004-06-25: Field Product Reminder - Bulletins Currently Released for Medium Duty Trucks (04-00-89-025)
2004-06-22: Info - Oil Life Monitoring System - PCM Reset (04-06-04-045)
2004-06-22: Info - New Owner Orientation Clinic Materials Now Available Online (03-00-89-002A)
2004-05-26: Info - Additional Material and Source for Metal Panel Bonding Adhesives (04-08-98-001)
2004-05-04: Info - Resetting Oil Life Monitor System and Turning Off Change Engine Oil Light (04-00-90-003)
2004-04-29: Information on Serpentine Belt Wear (04-06-01-013)
2004-04-22: Red OnStar LED , No Keypad Response When Pushed DTC B2476 - kw inoperative UE1 (PI02018)
2004-04-13: Adm Msg - Alignment Questionnaire (VSS20040092)
2004-04-01: Defroster Grille Buzz/Vibration (Replace Grille Seal) (04-08-49-012)
2004-03-29: Warranty Administration - Part and Accessory Replacement Policy (04-00-89-011)
2004-03-23: Adm Msg - Wheel Alignment Questionnaire (Fax Number Change) (VSS20040057-01)
2004-03-23: Adm Msg-Warranty Admin Bulletin 00-05-22-002C for Brake Warranty, Service and Procedures-Required Measurement Documentation (VSS20040074)
2004-03-22: Service VME - Fuel Filter Replacement - Owners Manual Error - kw 4.8 5.3 6.0 8.1 tank line information internal external pump GMT800 GMT805 GMT806 GMT820 GMT830 GMT610 (PI001875A)
2004-03-11: Instrument Panel Cluster (IPC) Gauges and Radio Become Inoperative (Reprogram Serial Data Gateway Module) (03-08-49-019A)
2004-03-08: Product Safety -Brake Pedal Assembly (04010)
2004-02-26: Upper Outside Rearview Mirror Loose (Tighten Retaining Ring of Mirror Assembly) (04-08-64-005)
2004-02-20: 4L60E , 4L65E No 2nd , No 4th and No Reverse - automatic fourth second shift transmission (PI00822C)
2004-02-05: Warranty Admin. - Dealer Disclosure Requirements (02-00-89-005A)
2003-11-11: Info - Search Tips for Locating Preliminary Information (PI) Documents in Service Information (03-00-89-039)
2003-10-29: Diagnostic Information to Consider Before Air Conditioning Compressor Replacement (01-01-38-013A)
2003-10-24: Insufficient Driver or Passenger Seat Travel (Remove Rear Restrictor Bolt From Seat Tracks) (03-08-50-017)
2003-10-07: SMU - Revised Fuel Leaks Inside of Engine Diagnostic (03-06-04-059)
2003-10-02: Diagnostic Information for Various Shift Conditions - Inadvertent IP Switch Activation (03-07-30-047)
2003-09-26: SMU - Revised Fuel Injector Balance Test with Tech 2 (Automatic Transmission) (03-06-04-054)
2003-09-26: SMU - Revised Fuel Injector Balance Test with Tech 2 (Manual Transmission) (03-06-04-052)
2003-09-26: SMU - Revised Fuel System Diagnosis - High Pressure Side (03-06-04-050)
2003-09-26: Revised Engine Cranks But Does Not Run Diagnostic (03-06-04-046)
2003-09-26: SMU - Revised DTC P0093 or DTC P1093 (03-06-04-045)
2003-09-19: Warranty Admin. - Sublet Administrative Allowance (Coverage: S) Labor Operations (03-00-89-027)
2003-08-26: Info - Avoiding Oil Level Sensor Harness Damage During Lower Oil Pan Installation (03-06-03-008)
2003-07-14: Info - HomeLink Transceiver/Garage Door Opener Transmitter Test Kit Available As Essential Tool (01-08-97-001B)
2003-04-29: Warranty Admin. - Courtesy Transportation Program (02-00-89-004B)