2006 GMC Sierra 2500 Technical Service Bulletins

386 technical service bulletins (TSBs) are on record for the 2006 GMC Sierra 2500. 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.

• 10114969Dec 15, 2015Engine cooling, Equipment. This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gaskets are not interchangeable and will block oil and coolant passages if installed incorrectly resulting in severe damage to the engine.
• 10114954Dec 9, 2015Fuel system, Engine cooling. 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…
• 10201115Dec 1, 2015Equipment, Other or unknown. OnStar Voice Fallback Number Update
• 10201100Dec 1, 2015Engine, Engine cooling. New Tool Availability - EN-48974-EGR Cooler Pressure Tester Adapter Set to Diagnose Duramax Diesel Engine EGR Cooler Engine Coolant Leaks into Combustion Chamber
• 10201098Dec 1, 2015Transmission and drivetrain, Engine. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10190512Dec 1, 2015Equipment, Electrical system. OnStar® Voice Fallback Number Update Some customers may have received a letter from OnStar® stating that "We recently tried to provide a software update to the OnStar® hardware in your vehicle. However, your system could not be updated remotely.
• 10190504Dec 1, 2015Electrical system, Equipment. IPC Odometer Programming Method Quick Reference Guide Season Odometer Programming Methods in Use Today 1. IPC reprogramming and setup using the service programming system (SPS). 2. Odometer setup at the electronic service center (ESC) when using an exchange IPC/DIC. 3. Tech 2® – The Tech 2 is used to set up a replacement BCM, which includes loading the odometer value that is displayed and stored in the IPC.
• 10190503Dec 1, 2015Engine, Transmission and drivetrain. OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
• 10115143Nov 30, 2015Engine cooling. This Preliminary Information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. It is recommended to inspect for a poor crimp on the grounds ring terminal at the engine block for the bank with the concern and repair the wire.
• 10115128Nov 23, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicle's odometer appears to be inaccurate relative to a known distance traveled. Technician should obtain a hand-held GPS unit to test the odometer. If a hand held GPS unit is not available, the only other option is to verify the miles traveled using a surveyor's wheel or a dynamometer.
• 10115126Nov 20, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access to the Vehicle Communication Interface Module pull the tape back on the X2 connector then…
• 10114913Oct 20, 2015Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10114903Oct 16, 2015Equipment, Electrical system. 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.
• 10114894Oct 14, 2015Suspension, Body and structure. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be…
• 10114876Oct 9, 2015Engine. This Preliminary Information communication provides information to the technician vehicles with a slight rough idle. Technician should compare the concern with a like vehicle. If the concern is worse than a like vehicle, technician should follow published Service Information diagnosis and repair as necessary.
• 10114873Oct 9, 2015Fuel system, Engine. This Preliminary Information communication provides information to the technician about vehicles that have a hard start when the engine is hot. If the fuel found in the vehicle has an American Petroleum Institute specific gravity reading of 39 - 44, and the fuel sample you used for comparison has an American Petroleum Institute specific gravity reading of 30 - 39, drain the fuel system and refill with a known good…
• 10126349Oct 2, 2015Wheels. This warranty administration bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
• 10126346Oct 2, 2015Engine cooling, Fuel system. This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.
• 10113787Aug 3, 2015Seat belts. This informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button sticking.
• 10114638Jul 30, 2015Electrical system. This Preliminary Information communication provides information to the technician about customers that may complain of various concerns when using Bluetooth components. Technician should use the Preliminary Information to gather information from the customer on their Bluetooth device and the concern they are having before calling General Motors Technical Assistance Center.
• 10114598Jul 10, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an OnStar system that will not power up. Technician should turn off the ignition and cancel retained accessory power. After the vehicle has powered down remove power to the OnStar module for five minutes. After the power has been removed for five minutes, if the OnStar system is working release the vehicle.
• 10113719Jun 26, 2015Suspension. This technical bulletin adds the 2016 model year to repair information for lubricating the rear leaf springs to correct a customer concern for a squeak noise from rear of vehicle.
• 10115067Jun 22, 2015Electrical system. This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that the call connects with data and location.
• 10115026Jun 8, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have the OnStar wireless fidelity inoperative. Technician will need to contact General Motors Technical Assistance Center with a scan tool connect to the vehicle for further assistance.
• 10115016Jun 8, 2015Equipment, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that are unable to receive OnStar Hands Free Calling calls and or the OnStar center is unable to perform remote services. Technician will need to push the OnStar Blue button and verify the system successfully connects to an advisor. Place an outbound personal call from the vehicle and verify it connects.
• 10028831Jun 1, 2015Electrical system, Transmission and drivetrain, Engine cooling. General motors: intermittent mil/ses/ dtc p2138 with reduced engine power (repair instrument panel (ip) to body harness connector). 2005-08 gm passengers cars/light duty trucks (incl. Saturns). *pe updated 11/5/10. *pe updated 4/4/11. *pe updated 2/3/16.
• 10114527May 8, 2015Engine cooling. This Preliminary Information communication provides additional information to the technician when replacing the Duramax Diesel head gasket. This is a supplement to procedure found in Service Information. The left and right cylinder head gaskets are not interchangeable and will block oil and coolant passages if installed incorrectly resulting in severe damage to the engine.
• 10113634May 7, 2015Engine. This informational bulletin provides technicians with information to help educate them on the many various combinations of engines, interfacing equipment and vehicle usage which may cause higher than expected oil consumption.
• 10113614Apr 27, 2015Equipment. This informational bulletin provides information to assist dealership personnel with the identification of vehicle headlamp, tail lamp, license lamp or fog/driving lamp damage that are not considered warrantable.
• 10114474Apr 20, 2015Equipment. This Preliminary Information communication provides information to the technician about connectivity concerns when connecting an Apple device via USB cord. Technician should insure the customer is using an original equipment manufacturer Apple USB cable.
• 10114448Apr 1, 2015Body and structure. This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
• 10113721Mar 2, 2015Suspension. This preliminary informational bulletin provides technicians a recommendation for when they are performing a front end alignment and find an alignment dowel pin missing .
• 10113527Feb 6, 2015Exterior lighting. This informational bulletin communicates GM's position on exterior lighting components ?tinted or smoked? by an outside vendor.
• 10113514Feb 3, 2015Tires. This informational bulletin communicates GM's position on use of nitrogen gas in tires.
• 10113512Feb 3, 2015Electrical system. This preliminary informational bulletin provides a diagnostic tip for low line pressure or pressure regulator valve stuck after transmission service pump cover replacement.
• 10139437Jan 23, 2015Electrical system. This informational bulletin updates information on electrical ground repairs using new replacement fasteners with conductive finish.
• 10139433Jan 23, 2015Electrical system. This informational bulletin provides information on control module diagnostics and configuration, programming using the TIS Service Programming System (SPS), set-up and warranty.
• 10139430Jan 22, 2015Wheels. This informational bulletin provides information on chemical staining, pitting, corrosion and/or spotted appearance of chromed aluminum wheels, along with warranty information regarding these conditions.
• 10094982Jan 21, 2015Equipment, Engine, Transmission and drivetrain. This preliminary information communication provides information to the technician that some vehicles may have a service engine soon lamp, engine misfire on cylinder 1, 4, 6, or 7 and/or tick noise. Technician will follow service information diagnosis first. If service information diagnosis does not isolate the cause of this concern perform a cylinder deactivation active fuel management system compression test in…
• 10139422Jan 16, 2015Engine cooling. This preliminary informational bulletin provides technicians an engine repair tip for installation of pistons.
• 10139421Jan 16, 2015Electrical system. This informational bulletin adds models to information on voltmeter gauge fluctuation due to regulated voltage control system and concerns about camper/trailer battery charging.
• 10139418Jan 15, 2015Engine cooling. This preliminary informational bulletin provides a diagnostic tip for coolant leak at oil cooler inlet pipe o-ring after service engine replacement.
• 10139409Jan 12, 2015Electrical system. This informational bulletin adds 2011 - 2014 model years to information on voltmeter gauge fluctuation due to regulated voltage control system and concerns about camper/trailer battery charging.
• 10139199Jan 6, 2015Suspension. This informational bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10126237Dec 11, 2014Visibility (wipers, defrost, mirrors). This informational bulletin provide information for the technicians to repair the rear window defroster contact or tabs.
• 10114778Dec 11, 2014Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicle with a clunk type noise on start up with the vehicle in park when the vehicle is equipped Allison LCT1000 transmission. This condition is considered to be an operating characteristic of the Allison LCT1000 transmission.
• 10126231Dec 10, 2014Equipment. This information provides the proper way to install the floor mats .
• 10114776Dec 10, 2014Exterior lighting, Body and structure, Suspension. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R…
• 10114775Dec 10, 2014Electrical system. This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing the .64 series terminals. The test probe terminal has been released in the terminal repair kit (J-38125-620H) located in Lear Tray 7 part number 963716-2.
• 10247716Dec 1, 2014Equipment, Electrical system. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.

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