2011 Chevrolet Silverado 1500 Technical Service Bulletins

1,837 technical service bulletins (TSBs) are on record for the 2011 Chevrolet Silverado 1500. 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.

• 10137226Nov 6, 2015Transmission and drivetrain. This preliminary informational bulletin adds the 2016 model year to diagnostic tips and repair information to correct a customer concern of reduced acceleration at low speed and/or transmission slipping from a launch, DTC P0751 set.
• 10115093Nov 4, 2015Fuel system, Other or unknown. This Preliminary Information communication provides information to the technician about a customer?s request to remove or disable the Bi-Fuel Compressed Natural Gas system. General Motors does not condone the removal of the original equipped Compressed Natural Gas systems.
• 10126401Oct 30, 2015Body and structure. This informational bulletin provides information on the PQC assembly replacement process - for dealers required to contact PQC prior to replacing an assembly (U.S. and Canada only).
• 10126395Oct 27, 2015Engine cooling. This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
• 10126393Oct 26, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 10114925Oct 26, 2015Equipment, Engine. This Preliminary Information communication provides information to the technician about vehicles that engine runs and idles rough. Technician will find P0171 and or P0174. Technician will need to inspect the positive crankcase ventilation tube for a vacuum leak on the left side of the engine. Replace positive crankcase ventilation air tube and cover it with conduit to protect from repeat damage.
• 10126385Oct 22, 2015Electrical system, Equipment. This preliminary informational bulletin adds the 2014 - 2016 model years to cleaning information to correct a customer concern of seeing a white film/residue on the IP pad and/or door trim panels.
• 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.
• 10114907Oct 19, 2015Body and structure, Equipment, Visibility (wipers, defrost, mirrors). This Preliminary Information communication provides information to the technician about vehicles with the inside door panel material appearing to be pulling back from the door panel backing. Technician will check the windows for aftermarket window tint. Since this failure is not the result of a manufacturer defect, it would not be considered for coverage under a General Motors Warranty.
• 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.
• 10114900Oct 16, 2015Tires. This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer should communicate to the customer that slight sidewall indentations are a common characteristic of radial tire construction.
• 10126375Oct 14, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel on the use of non-GM approved battery chargers and booster packs.
• 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…
• 10126370Oct 13, 2015Equipment, Transmission and drivetrain. This informational bulletin provides information to dealership personnel on proper engine and automatic transmission/transaxle identification.
• 10126369Oct 13, 2015Electrical system. This informational bulletin provides information that may be useful in diagnosing/testing batteries that have set for a long period of time and/or set in cold weather climates to correct a customer concern of symptoms that include, but not limited to, a slow or no crank condition that may be caused by a discharged battery.
• 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…
• 10126355Oct 6, 2015Equipment. This warranty administration bulletin provides policy information on Causal Part requirements for transactions submitted to GM for payment.
• 10126350Oct 5, 2015Equipment. This warranty administration bulletin provides policy information on an updated warranty and policy exchange program for electronic products through GM authorized Electronic Service Centers (ESCs) (U.S. and Canada).
• 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.
• 10126345Oct 2, 2015Engine cooling. This preliminary informational bulletin provides service personnel with a guide to determine which SI documents and scan tool parameters to reference when encountering an: Exhaust Fluid Quality Poor message displayed, and a Reductant Fluid Quality Test status that will Pass, Time Out, Fail or Interrupt and other DEF messages that maybe observed.
• 10126344Oct 2, 2015Engine cooling. This preliminary informational bulletin provides technicians with repair information on removing seized exhaust temperature sensors.
• 10126343Oct 1, 2015Engine cooling. This preliminary informational bulletin provides dealership personnel with policies and procedures regarding damaged, disassembled or improperly packaged turbochargers returned to Warranty Part Center.
• 10127249Sep 30, 2015Suspension, Wheels. This Preliminary Information communication provides information to the technician about vehicles that have a vibration at highway speed. Technician will need to replace the wheel for a rolled lip of aluminum in the hub opening.
• 10127246Sep 30, 2015Electrical system. This Preliminary Information communication provides information to the technician about a connectivity concern with Bluetooth after phone software is updated or after any vehicle updates for the radio or Human Machine Interface has taken place. Technician should delete all Bluetooth pairings and then reboot the Bluetooth device and the vehicle. After the vehicle and radio is booted back up repair the Bluetooth…
• 10127240Sep 29, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that the Turn By Turn directions may no longer be displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10127238Sep 29, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that the incoming caller ID may no longer be available or displayed after the Canada OnStar upgrade. Dealer should communicate to the customer that we apologize for this inconvenience and that General Motors is working on a solution for this concern.
• 10127231Sep 28, 2015Equipment. This Preliminary Information communication provides information to the technician on the steps to help diagnose and repair vehicles with a rattle, squeak, clunk, thump, or bump. If published Service Information diagnostics do not lead to a repair for the concern. Technician should inspect the opposite side shock/strut for the cause of the concern.
• 10127230Sep 28, 2015Fuel system. This Preliminary Information communication provides information to the technician to help determine if the vehicle is equipped with factory or aftermarket Compressed Natural Gas, Liquefied Petroleum Gas, or Bi-Fuel Systems. Technician will check for the Vehicle Emission Control Information Label.
• 10127219Sep 22, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that the air conditioner blows warm air. If normal diagnostics from service information does not lead to a correction and it is found that the air conditioning compressor is not engaging check for any communication codes in the vehicle and address them first.
• 10123496Sep 18, 2015Engine cooling. 15457 - Special Coverage. Some 2010-2015 Chevrolet Express and GMC Savana vehicles and 2011-2015 Chevrolet Silverado HD and GMC Sierra HD vehicles that are equipped with 6.6L Duramax Diesel engines (RPO LML or LGH) may contain a leak in the seal between the engine-exhaust down pipe and the engine-exhaust pipe. If a leak is present, the intermittent regeneration of the diesel-particulate filter may cause small…
• 10123495Sep 18, 2015Engine. 14287 - Customer Satisfaction Program. On certain 2003-2015 model year Chevrolet Express, 2003-2007 Chevrolet Silverado, 2008-2013 Chevrolet Silverado HD, 2003-2015 GMC Savana, 2003-2007 GMC Sierra 3500, and 2007-2012 GMC Sierra HD model vehicles equipped with a Duramax diesel engine and an engine-block heater (RPO YF2 and K05), continuously activating the engine-block heater through Ambulance body up fit ?shore…
• 10127206Sep 17, 2015Visibility (wipers, defrost, mirrors), Electrical system. This Preliminary Information communication provides information to the technician the steps to diagnose and repair vehicles that have windows inoperative while the engine is running but work when the engine is off. Technician should look for aftermarket parts and remove them and retest the windows before any in depth diagnostics are performed.
• 10127199Sep 16, 2015Electrical system. 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.
• 10113817Aug 25, 2015Equipment. This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).
• 10114680Aug 24, 2015Engine cooling. This Preliminary Information communication advises the technician that the 6.6L Duramax Diesel Engine Part number 12638502 has been placed on a parts restriction through the General Motors Product Quality Center. Dealer will need to contact the General Motors Product Quality Center for further assistance.
• 10113808Aug 17, 2015Engine cooling. This preliminary informational bulletin provides repair information to correct a customer concern that the oil pressure, oil level and/or the coolant temperature gauge fluctuates. Technicians may find one or more of various DTCs set.
• 10113805Aug 12, 2015Engine cooling. This preliminary informational bulletin provides repair information to correct customer concerns of an exhaust leak or vibration/rattle noise at approximately 900 RPM, fuel smell/white smoke noted intermittently (usually after coming to a stop), and/or an oily substance noted on exhaust downpipe.
• 10114652Aug 7, 2015Engine, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on or a low oil pressure indicated after an oil change. Technician may find Diagnostic Trouble Code P0521. Inspect the engine for any oil leaks and repair if need. Technician should change the engine oil and replace the oil filter using a PF48e type filter.
• 10114642Aug 3, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will check Global Warranty Management system for customer satisfaction program 15086 status. If the status of the customer satisfaction program 15086 was not completed follow the steps to get the Telematics…
• 10138154Jul 30, 2015Equipment, Electrical system, Engine. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
• 10114639Jul 30, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a Diagnostic Trouble Code B101D stored in Telematics Communication Interface Control Module. Technician will use Global Diagnostic System 2 to review the Firmware Over-the-Air version. If the Firmware Over-the-Air version on the scan tool equals 6708 the technician will need to contact General Motors Technical…
• 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.
• 10138147Jul 28, 2015Electrical system, Equipment, Engine cooling. This informational bulletin provides technicians with Information for Identifying non-GM ECM calibration use and Power-Up hardware detection in Duramax? diesel engines ? Photograph Tech 2® Calibration IDs, Calibration Verification Numbers (CVNs) and Transmission Data Screen.
• 10138146Jul 28, 2015Engine cooling. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).
• 10138139Jul 23, 2015Electrical system, Equipment. This technical bulletin provides repair information for the correction of a customer concern of short duration musty odors emitted from the HVAC system at vehicle start-up in hot, humid conditions.
• 10114614Jul 22, 2015Engine cooling. This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxygen sensor. If a leak is found or there is an aftermarket utility bed or trailer hitch installed. Check for a minimum clearance of 1.5 to 2 inches of the exhaust system. Install a…
• 10138137Jul 21, 2015Electrical system, Equipment. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
• 10138130Jul 16, 2015Transmission and drivetrain. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.

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