2011 Chevrolet Silverado 2500 Technical Service Bulletins

1,569 technical service bulletins (TSBs) are on record for the 2011 Chevrolet Silverado 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.

• 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…
• 10037311Aug 1, 2015Engine cooling. Gm: there may be a fuel smell when driving the vehicle. There may also be an exhaust leak or rattle noise. *rm updated 9/10/12. *pe updated 05/3/2013 *js updated 1/6/14. *pe updated 2/3/16.
• 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.
• 10138125Jul 15, 2015Equipment. This informational bulletin provides dealership personnel with information on new vehicle Pre-Delivery Inspection (PDI) process and to encourage delivering quality vehicles and generating higher CSi scores.
• 10114603Jul 14, 2015Wheels. This Preliminary Information communication provides information to the technician that replacement transfer case halves will not be threaded. No additional thread tapping will be necessary to assemble the transfer case as the attaching metric bolts are self-tapping. Drive the bolts into the new case and torque them to specification.
• 10114601Jul 14, 2015Electrical system. This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure message. Technician may also find a Diagnostic Trouble Code P0521 in the Engine Control Module. Technician should follow all published Service Information diagnosis.
• 10114600Jul 13, 2015Equipment. This Preliminary Information communication advises the technician of additional steps for diagnosing General Motors high speed local area network. This should only be used if normal service information doesn?t lead to a diagnosis this is not a replacement for normal service information.
• 10114599Jul 13, 2015Engine cooling. This Preliminary Information communication provides information to the technician with 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…
• 10138117Jul 10, 2015Equipment, Body and structure. This informational bulletin provides recommendations and product information for application of anti-corrosion materials
• 10138114Jul 10, 2015Seats, Electrical system, Equipment. This informational bulletin provides dealership personnel with information on interior cleaning of Instrument Panel (IP), hard or plastic surfaces, seats, carpet, leather, vinyl, fabric cleaner, stain remover, restorer and product availability.
• 10138113Jul 10, 2015Fuel system. This informational bulletin provides information on TOP TIER Detergent Gasoline and available retail brands.
• 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.
• 10089893Jul 8, 2015Electrical system, Engine. 15114 - special coverage. On some 2010-2012 model year chevrolet silverado hd and gmc sierra hd or 2011-2012 chevrolet express and gmc sierra hd vehicles equipped with a 6.6l duramax diesel engine (rpo lml, lgh) the malfunction indicator lamp (mil) may illuminate due to a condition with the glow plugs. When diagnosed, replacement of one of the engines glow plugs may be required.
• 10137943Jul 7, 2015Electrical system, Equipment. This informational bulletin provides information to dealership personnel regarding warranty codes generated by EL-50313 Midtronics GR8 Battery Tester/Charger required for claim processing on labor operations 4041510, 4041520 and 250 mile/400 km labor operation restriction (North America ONLY).
• 10089887Jul 7, 2015Engine. 14652 - special coverage. On some 2010-2012 model year chevrolet express and gmc savana vehicles and 2011-2012 model year chevrolet silverado hd and gmc sierra hd vehicles that are equipped with a 6.6l diesel engine (lml/lgh), a malfunction-indicator light (mil) may illuminate due to an offset in the temperature sensor in the diesel-emission-reduction fluid (def) tank reservoir, increased tank-heater resistance, or…
• 10115076Jun 29, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency…
• 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.
• 10113715Jun 25, 2015Equipment. This technical bulletin provides repair information to correct customer concerns of loss of high speed GMLAN communications, intermittent no crank, IP gauge fluctuation, intermittent door lock cycling /chime operation, various IP warning lamps illuminated, transmission may not shift, communication DTCs U0073, U0100, U0101, U0102, U0109, U0121 or U0140 set.
• 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.
• 10115061Jun 19, 2015Engine cooling, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that may have "Exhaust Fluid Low", "Exhaust Fluid Empty - Refill Now", "Exhaust Fluid Range: XXX" or "Service Exhaust Fluid - See Owners Now" on the Driver Information Center. If the technician is working on 2010 and 2011 model years campaign 11001 has now been released.
• 10115060Jun 18, 2015Equipment. This Preliminary Information communication provides information to the technician that First Responder Guides for General Motors vehicles can be accessed via the web at http://www.gmstc.com.
• 10115059Jun 18, 2015Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Code P0011. If the technician has followed all published Service Information diagnosis and has not come to a conclusion, technician should check the oil pressure at the oil pressure sender. Then the number two cam…
• 10115053Jun 17, 2015Tires, Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center. If valid vibration frequency or Road Force Variation data has been collected and a repair attempt does not correct the customer…
• 10089949Jun 15, 2015Fuel system. 14653 - special coverage. Some 2010-2014 model year chevrolet express, 2011-2014 model year chevrolet silverado hd, 2010-2014 model year gmc savana and 2011-2014 model year gmc sierra hd vehicles equipped with a 6.6l engine (rpo lml or lgh), may have a condition where the indirect fuel injector can become stuck in the closed position or can have low flow. This condition could result in the illumination of the…
• 10115043Jun 12, 2015Engine, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a lack of power on initial acceleration from a stop when the ambient temperature is approximately 103 Fahrenheit or greater and may include engine detonation or pre-ignition type events as temperatures approach 120 Fahrenheit. Technician will need to perform published Service Information diagnosis first.
• 10115035Jun 11, 2015Electrical system, Equipment, Brakes. This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will need to measure the actual truck and trailer weights, with the trailer loaded to the point that exhibits the condition.
• 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.
• 10115024Jun 8, 2015Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have a hard start or a no start. Technician may find Diagnostic Trouble Code DTCs P0087, P0088, P0191 or P128E. Technician will need to follow all Service Information diagnose for the Diagnostic Trouble Code. If the current Service Information diagnostic has led to Fuel Injection Pump replacement, Fuel Pressure…
• 10115023Jun 8, 2015Engine. 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. If Diagnostic Trouble Code P0521 setting in cold weather and it has a PF48E oil filter, change the filter to a UPF48R if one is available.
• 10115014Jun 3, 2015Equipment. 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…
• 10113669Jun 2, 2015Equipment. This informational bulletin provides information to dealership personnel on properly maintaining vehicles in dealer inventory.
• 10115006Jun 1, 2015Equipment, Engine. 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. If Diagnostic Trouble Code P0521 setting in cold weather and it has a PF48E oil filter, change the filter to a PF48 if one is available. If there is no…
• 10113653May 15, 2015Exterior lighting. This technical bulletin provides repair information for low beam headlamp bulb diagnosis/replacement to correct a customer concern that the low beam headlamp is inoperative.
• 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.

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