2008 Chevrolet Avalanche Technical Service Bulletins

1,219 technical service bulletins (TSBs) are on record for the 2008 Chevrolet Avalanche. 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.

• 10133087Dec 5, 2013Visibility (wipers, defrost, mirrors). This preliminary bulletin explains the marks in the glass are normal when wearing polarized sunglasses and do not replace any glass for this reason.
• 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.
• 10253632Dec 1, 2013Visibility (wipers, defrost, mirrors). Rear and Side Tempered Glass Spots.
• 10245820Dec 1, 2013Back-over prevention (rear camera). Special Coverage Adjustment ? Throttle Position Sensor Replacement
• 10047220Dec 1, 2013Engine. Hummer/cadillac, chevrolet, gmc: see document search button for owner letter. Engine may have reduced power, running rough, and possible have malfunction indicator lamp on, due throttle position sensor. Models 2008-2010 cadillac escalade, esv, ext, chevrolet trailblazer, avalanche, express, silverado, suburban, tahoe, colorado, gmc envoy, savana, sierra, yukon, yukon xl, canyon, hummer h2, h3, h3t. 2008-2009 saab…
• 10118889Nov 27, 2013Electrical system. This preliminary bulletin provides information on Service Programming System (SPS) Errors (E4398, E4399, E4403, E4404, E4413, E4414, E4423 or E4491).
• 10112368Nov 25, 2013Electrical system, Steering. This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted activation, OnStar unwanted activation, and cruise control inoperative.
• 10118880Nov 19, 2013Equipment. This informational bulletin provides an update for 13-00-89-004C to include updated information.
• 10118866Nov 11, 2013Equipment. This informational Bulletin provides a revision for 00-06-01-026D to add the 2014 model year.
• 10112346Nov 11, 2013Equipment, Electrical system. This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E8 should be checked to verify that the Theft Deterrent Module is in fleet mode prior to attempting to add keys.
• 10118862Nov 8, 2013Electrical system, Visibility (wipers, defrost, mirrors). This preliminary bulletin provides a pre-inspection symptom list before preforming any repairs to any of windows for noises or performance.
• 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.
• 10112329Nov 1, 2013Equipment. 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.
• 10054243Nov 1, 2013Body and structure, Visibility (wipers, defrost, mirrors). General motors: the windows, front and rear, would bind, poor fit, misalignment, makes rattle or squeaking noises, moves slowly and is inoperative. Model 2008-2014 vehicles and trucks.
• 10112437Oct 31, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician about vehicles that have a random bump, chuggle, or fishbite sensation when crowding the throttle slightly with the Torque Converter Clutch on while cruising at 35-60 miles per hour. Technician should follow all published Service Information diagnostics if the concern is repaired compare to a like vehicle with the same options.
• 10112436Oct 30, 2013Engine, Fuel system. 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…
• 10112428Oct 25, 2013Body and structure, Latches, locks and linkages, Electrical system. This Preliminary Information communication provides information to the technician about customers that are unable to override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. On 2010 to 2014 model years technician will need to contact Techline Customer Support for calibrations.
• 10112413Oct 16, 2013Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have multiple electrical concerns and or intermittent no crank. Technician will need to remove the 175 amp Mega Fuse and inspect for arcing. If any type of arcing is found replace the affected components. Technician will also check the voltage drop on the positive and negative and the torque of the cable at the…
• 10112400Oct 9, 2013Transmission and drivetrain, Engine cooling. This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have Service Engine Soon Malfunction Indicator Lamp on and a constant engine misfire. If Service Information diagnosis isolates no compression on the misfiring cylinder(s) with 100% leakage into the crankcase, perform the following steps as necessary before disassembling the engine.
• 10112399Oct 8, 2013Equipment. 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.
• 10247675Oct 1, 2013Electrical system. Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank
• 10245314Oct 1, 2013Electrical system. Diagnosing / Troubleshooting Multiple Electrical Concerns / Intermittent No Crank
• 10112382Oct 1, 2013Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about the percentage of UV protection or tint offered by the windshield or side glass. Technician should be advised Windshield reduces UV rays down to 4% or less. Front side door glass reduces UV rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are Solar glass with a light…
• 10032396Oct 1, 2013Electrical system. Chevrolet/gmc/cadillac: multiple electrical concerns with dtc c0900 - keywords battery c/k cable clock crank cycle door dimming flicker gage gauge gmc hvac inop inoperative instrument intermittent ipc lock no panel power radio stall start temperature. *pe updated 3/28/11. Model yrs 2007-2009. *pe updated on 6/27/2011 added model yrs 2010-2011. *kb model years added 2012, 2013, and 2014. Updated 12/2/2013
• 10113256Sep 18, 2013Electrical system, Equipment. 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.
• 10113254Sep 18, 2013Equipment. This Preliminary Information communication provides information to the technician about the new fluids available for axle service and clarifies usage. Technician will use the chart to determine the proper axle lubricant to use.
• 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.
• 10053864Sep 1, 2013Steering. Buick/cadillac/chevrolet/gmc/pontiac/ saturn: there is fluid leaking from power steering system, along a fluid leak in front of vehicle underneath and should be inspected, cleaned and identified before repairing or replacing. Model 2010-14 lacrosse, 2011-14 regal, 2007-14 escalade, suburban, tahoe, yukon, yukon xl, yukon denali, yukon denali xl, 2013-14 xts, 2005-14 malibu, 2007-13 avalanche, silverado, sierra…
• 10113506Aug 28, 2013Tires. This warranty administration bulletin provide policy information on GM of Canada New Vehicle Limited Warranty Tire Program and Global Warranty Management (GWM) Submission Information.
• 10113502Aug 26, 2013Transmission and drivetrain, Brakes, Electrical system, Equipment, Engine…. This warranty administration bulletin provide policy information on a revised customer concern not duplicated/verified labor operation numbers and how to submit CCND.
• 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.
• 10113494Aug 19, 2013Engine cooling, Equipment. This informational bulletin provides information on close-coupled converter and engine replacement.
• 10113492Aug 15, 2013Seat belts. This informational bulletin provides information on availability for the seat belt extender.
• 10113191Aug 13, 2013Engine cooling. 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…
• 10113188Aug 12, 2013Steering. 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.
• 10113483Aug 5, 2013Tires. This warranty administration bulletin provide policy information new tire warranty program and global warranty management submission information.
• 10113178Aug 5, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
• 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.
• 10113170Aug 1, 2013Transmission and drivetrain. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle.
• 10023432Aug 1, 2013Transmission and drivetrain. Sag or hesitation on acceleration (normal operating characteristics). Equipped w/ gasoline engine and automatic transmission. *nj updated 1/30/08. *nj updated 10/01/08. *pe updated 8/12/09. *pe updated 9/23/13. *pe updated 11/12/13.
• 10130578Jul 18, 2013Electrical system. This informational bulletin provides information for warranty codes that are generated by EL-50313 midtronics GR8 battery tester/charger.
• 10130572Jul 16, 2013Equipment. This preliminary information bulletin provides information on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
• 10130570Jul 16, 2013Equipment. This informational bulletin provides information for the PQC assembly replacement process.
• 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.
• 10246638Jul 1, 2013Steering. Power Steering Noise or Fluid Leak from Power Steering Pump, Gear or High Pressure Hose During Extreme Low Temperature Conditions
• 10113120Jul 1, 2013Engine cooling. 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…

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