2004 Hummer H2 Technical Service Bulletins

538 technical service bulletins (TSBs) are on record for the 2004 Hummer H2. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10135218Apr 22, 2014Equipment. This informational bulletin is to assist with the identification of issues that are not considered warrantable.
• 10111810Apr 17, 2014Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partect for assistance. Technician can also contact Techline Customer Support Center for programming issues.
• 10135201Apr 14, 2014Equipment. This information bulletin provides the technician with additional information on fixing the vehicle right the first time by listing possible concerns to specific vehicles.
• 10111783Apr 4, 2014Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
• 10111875Mar 24, 2014Engine. This Preliminary Information communication provides information to the technician about vehicles that have an oil leak shortly after a cold start when extremely low ambient temperatures are present. Technician will need to clean the area of the oil leak, clean and dry the PCV hoses, and replace the oil fill cap with part number 12589430.
• 10137866Mar 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111850Mar 5, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that when a Canadian customer may comment that when they travel to the United States, they are unable to connect to OnStar or use hands free calling. Dealer can advise the customer that the existing cell phone provider not having roaming agreements in areas outside of Canada.
• 10111846Mar 4, 2014Electrical system. This Preliminary Information communication provides information to the technician about a customer?s request to install OnStar Bluetooth. Dealer should be advised at this time, there are no provisions to add this option to vehicles that were not built with it.
• 10247681Mar 1, 2014Equipment. Information On Requests To Add OnStar Bluetooth Option.
• 10245950Mar 1, 2014Equipment. Canadian Customers Unable To Place Calls In The United States
• 10111964Feb 26, 2014Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have the OnStar system does not respond properly to some numbers and/or voice commands. Dealer should direct the customer to review the operational characteristics in the OnStar Users Guide.
• 10138621Feb 17, 2014Equipment. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
• 10111927Feb 12, 2014Brakes, Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Code P0442. Technician will need to review Techlink article from May 2013 titled "Using the Evaporative Emissions System Tester" Technician will need to follow these steps to help diagnose the issue. First after the P0442…
• 10111894Feb 4, 2014Equipment. This Preliminary Information communication provides information to the technician that General Motors and General Motors of Canada Company do not support cross border sales. The General Motors of Canada Customer Care Centre is the sole authorized provider of a certification confirmation letter which helps our customers identify if their vehicles meets the required USA regulatory standards necessary for importation…
• 10190932Feb 1, 2014Equipment, Wheels. Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes…
• 10190931Feb 1, 2014Equipment, Wheels. Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes…
• 10025705Feb 1, 2014Tires, Wheels. Tire slowly goes flat, tire air loss, low tire pressure warning light illuminated, aluminum wheel bead seat corrosion (clean and resurface wheel bead seat) for certain 2000-2009 gm passenger cars and light duty trucks (including saturn). *pe updated 04/15/2014
• 10019584Feb 1, 2014Tires. Use of nitrogen gas in tires. *ak 2015 and prior gm passenger cars & trucks (including saturn) also 2008 and prior hummer h2, h3, saab 9-7x. Updated 5/12/08. *nj updated 04/15/2014
• 10112013Jan 22, 2014Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an issue when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
• 10111997Jan 16, 2014Equipment. This Preliminary Information communication advises the technician that a noise or a vibration in the vehicle that seems to be abnormal may not have been there when the vehicle was purchased. Technician should look for Non - General Motors aftermarket accessories installed on the vehicle that can cause these issues.
• 10190934Jan 1, 2014Equipment, Body and structure. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10190933Jan 1, 2014Body and structure, Equipment. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the…
• 10133103Dec 16, 2013Back-over prevention (rear camera). This informational bulletin provides directions on submitting different PIRs
• 10133098Dec 13, 2013Equipment. This preliminary information bulletin provides a revision of 13-00-89-004D to include updated information.
• 10133086Dec 4, 2013Fuel system, Other or unknown. This informational bulletin provides information on how to save fuel and proper maintenance without using fuel or oil additives.
• 10118880Nov 19, 2013Equipment. This informational bulletin provides an update for 13-00-89-004C to include updated information.
• 10118859Nov 7, 2013Equipment. This informational bulletin provides a revision for 04-06-04-047K to add the 2014 model year.
• 10118858Nov 7, 2013Equipment. This informational bulletin provides a revision for 04-06-04-047 to add the 2014 model year.
• 10118842Nov 1, 2013Equipment. This informational Bulletin provides a revision for 10-08-110-001 to add the 2012-2014 model years.
• 10112331Nov 1, 2013Engine cooling. This Preliminary Information communication provides information to the technician about engine block of possible cylinder bore damage, scoring or out of round as the possible cause of engine oil consumption, misfire, cylinder leakage or blow by. Technician will need to inspect the engine for Cylinder damage or scoring, An out of round cylinder bore, Dirt intrusion, and Catalytic Converter failure.
• 10113227Sep 3, 2013Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory pats. Technician can check Service Information for some accessories. Technician can also contact Partech for assistance.
• 10246631Sep 1, 2013Engine cooling. Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10113199Aug 20, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the OnStar system will not connect. Technician should record module info per the latest version of PIC4310 and contact General Motors Technical Assistance Center.
• 10113483Aug 5, 2013Tires. This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
• 10113177Aug 5, 2013Engine, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308.
• 10130567Jul 12, 2013Equipment. This informational bulletin provides information on key codes security rules and information on GM key code look up application.
• 10130562Jul 9, 2013Equipment. This informational bulletin provides information on key code security and information on GM key code look up applications.
• 10113059Jun 24, 2013Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first…
• 10134627Jun 5, 2013Electrical system. This technical service bulletin provides a revision for 07-08-49-020G to add the 2014 model year and update model list.
• 10139078May 30, 2013Equipment, Transmission and drivetrain. This informational bulletin provides information for Automatic Transmission Oil Cooler Flow Test Essential Tool J-45096 TransFlow.
• 10139067May 23, 2013Equipment. This informational bulletin provides a revision for 11-00-89-005D to add additional Mandatory Minimum Tables and additional information concerning Policy decision making.
• 10139066May 23, 2013Engine cooling, Equipment. This informational bulletin provides information for Engine Squealing Type Noise on Start-up or Vibration Condition.
• 10139059May 21, 2013Equipment. This informational bulletin provides a revision for 02-08-98-002C to add the 2010-2013 model years and revise the Approved Refinish Materials booklet information.
• 10139057May 20, 2013Equipment. This informational bulletin provides a revision for 09-00-89-008 to add model years, update the Labor Operation Information and Transaction Submissions Procedure and general content updates.
• 10139049May 16, 2013Equipment, Visibility (wipers, defrost, mirrors). This informational bulletin provides a revision for 05-08-48-001B to add 2010-2014 model years and update Labor Operation.
• 10139043May 14, 2013Equipment, Electrical system. This informational bulletin provides a revision for 13-00-89-004A to include updated information.
• 10113074May 2, 2013Electrical system, Equipment. This Preliminary Information communication provides information to the technician that after replacing the Instrument Panel Cluster the exchange center is unable to program the actual mileage on the odometer or the actual mileage is unknown. Dealer will need to follow dealer to the General Motors service policies and procedures manual section 3.2.4 odometer servicing.
• 10130652Apr 25, 2013Equipment. This technical bulletin provides Warranty Administration - New Labor Codes information.
• 10130627Apr 11, 2013Equipment. This technical bulletin provides a revision of 99-04-20-002G to add 2013-2014 model years.
• 10130619Apr 8, 2013Equipment. This technical bulletin provides a revision of 10-00-89-017Z to include updated information.

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