2015 GMC Sierra Denali Technical Service Bulletins

1,815 technical service bulletins (TSBs) are on record for the 2015 GMC Sierra Denali. 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.

• 10113806Aug 14, 2015Transmission and drivetrain. This preliminary informational bulletin outlines the recommendations and procedures for diagnosing and repairing vibrations caused by wheel and tire, axle components and/or propeller shafts.
• 10114665Aug 13, 2015Body and structure, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a loss of audio after wiping/cleaning the dash. Technician will update the radio using Service Programming System to repair the concern.
• 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.
• 10114656Aug 10, 2015Equipment, Engine. This Preliminary Information communication advises the technician before replacing the crankshaft to review the following. Dealer should complete the Service Information diagnostics and the Cost Comparison Worksheet for Assembly Repair vs. Replacement. Technician will use the latest version of 09-06-04-026G to verify the Engine Control Module calibration is not an aftermarket calibration.
• 10114650Aug 6, 2015Equipment. This Preliminary Information communication advises the technician that the Human Machine Interface, Radio or Tuner, radio controls, Integrated Center Stack, display, and Media Disc Players are placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
• 10114647Aug 5, 2015Engine, Fuel system. This Preliminary Information communication provides information to the technician about vehicles that have extended or long crank time during cold ambient air temperatures. Direct Injection systems run at higher pressures, and the mechanical pump on the engine must build up the required pressure before the first injection event occurs. Direct Injection engines may have slightly longer cold crank times than that of…
• 10114645Aug 4, 2015Fuel system, Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have Service Engine Soon Malfunction Indicator Lamp. Technician may find Diagnostic Trouble Codes P0089, P127C, P127D, P0192, P0193, P228C, P228D, and P006C. Technician should follow published Service Information diagnostics for the Diagnostic Trouble Codes that are stored. If Service Information does not lead…
• 10114643Aug 4, 2015Engine. This Preliminary Information communication provides information to the technician about vehicles that may have low oil pressure after an oil change. Technician will inspect the oil filter part number PF63E. Part number PF48 oil filter will fit but will cause a low oil pressure concern.
• 10113791Aug 4, 2015Transmission and drivetrain. This engineering information bulletin announces the end of need for information from the field regarding no forward or reverse, transmission slips or low line pressure.
• 10113790Aug 4, 2015Equipment. This engineering information bulletin announces the end of need for information from the field regarding one or more key transmitter(s) inoperative or lost memory.
• 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…
• 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.
• 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.
• 10114636Jul 30, 2015Electrical system. This Preliminary Information communication provides information to the technician for a service trailer brake message on in the vehicle. The technician will find diagnostic trouble codes C1115, C1116, C1117, or C1118. In most cases the chassis control module is not the cause of the trouble codes. The technician should inspect the wiring between the chassis control module and the trailer brake control switch.
• 10114631Jul 29, 2015Electrical system, Seats. This Preliminary Information communication provides information to the technician of addition information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pigtail lead coming off of it. In many cases the wiring pigtail near the haptic seat motor has broken and will require replacement.
• 10114630Jul 29, 2015Transmission and drivetrain. This Preliminary Information communication advises the technician that the LCT1000 6 Speed Allison, 8L90 and 8L45 8 speed automatic transmission as well as the transmission control module is on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10138148Jul 28, 2015Engine cooling, Electrical system. This informational bulletin provides technicians with information on identifying non-GM ECM Calibration use and Power-Up hardware detection in Duramax® Diesel Engines using GDS 2.
• 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).
• 10138143Jul 27, 2015Equipment, Transmission and drivetrain. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
• 10114624Jul 27, 2015Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Technician will use Service Information to locate the Accessory AC and DC Power Control Module located to the right of the steering column. Remove the power inverter module and apply two sided tape to the module bracket to insulate…
• 10114623Jul 27, 2015Electrical system. This Preliminary Information communication advises the technician that the part restriction for the instrument panel cluster has ended. The instrument panel cluster can now be ordered through the part department without any authorization.
• 10114621Jul 24, 2015Electrical system. This Preliminary Information communication provides information to the technician about the text messaging feature on some newer General Motors infotainment systems. Pair the iPhone to the system then enter the Bluetooth settings menu, select the ?i? icon next to the vehicle name in the device and enable show notifications. The text messaging feature will be available on the next ignition cycle.
• 10114619Jul 24, 2015Electrical system. This Preliminary Information communication for the dealer to please communicate to the customer this condition is a normal operating characteristic of their vehicle. Customer's timeshift audio playback is choppy, distorted, skipping, or garbled.
• 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.
• 10114615Jul 22, 2015Equipment. This Preliminary Information communication provides information to the technician about vehicles with the Service Engine Soon Malfunction Indicator Lamp on. Technician should follow published Service Information diagnostics that will lead to an oil pump replacement. Technician should replace the oil pump. If debris is found, the main and rod bearings should be inspected before engine replacement is considered.
• 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.
• 10114611Jul 17, 2015Equipment. This Preliminary Information communication advises the technician that the LCT1000 6 Speed Allison valve body part number 24262535 is on restriction through General Motors Product Quality Center. Dealer will need to contact General Motors Product Quality Center for further assistance.
• 10114610Jul 17, 2015Brakes. This Preliminary Information communication provides information to the technician on the steps needed to diagnose and repair vehicles that may have uneven brake pad wear. Technician will need to inspect and measure the brake pads thickness. Also determine the customer?s driving style. The disc brake pads should only be replaced if the friction surface is worn to within?2.0?mm (0.079?in) of the mounting plates.
• 10138131Jul 16, 2015Engine cooling. This technical bulletin provides repair information to correct a customer concern of engine misfire/tick noise, Malfunction Indicator Lamp (MIL) On, DTC P0300 set.
• 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.
• 10138127Jul 15, 2015Equipment. This preliminary informational bulletin provides radio programming information to correct customer concerns about no XM audio or time shift, radio lock-up, slow response, vertical line between clock and temperature, poor FM reception (Truck Only).
• 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.
• 10114607Jul 15, 2015Engine, Suspension. This Preliminary Information communication provides information to the technician the steps needed to diagnose and repair vehicles with a rough idle and/or vibration at idle in Drive. This condition will not be present in Park, or Neutral. This concern may be caused by ground out within the one or both engine mounts. Technician will use CH-51450-A (Pico Oscilloscope) to measure the vibration disturbance.
• 10138124Jul 14, 2015Body and structure. 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)
• 10114604Jul 14, 2015Electrical system. This Preliminary Information communication for the dealer to please communicate to the customer this condition is a normal operating characteristic of their vehicle. Customer's timeshift audio playback is choppy, distorted, skipping, or garbled.
• 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.
• 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.
• 10114597Jul 9, 2015Transmission and drivetrain, Equipment. This Preliminary Information communication provides information to the technician of an engine power reduced message on the driver information center after performing the Canada Onstar® 4G upgrade. If the concern is present park the vehicle outside and call General Motors Technical Assistance Center.
• 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).
• 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…
• 10115075Jun 29, 2015Electrical system. This Preliminary Information communication provides information to the technician about when listening to an iPod that the first song will still be displayed when the next song in the list is playing. If this concern is encountered, use the browse button on the radio display and navigate to the desired artist, album, song, or Genre. Once the desired selection is made, the correct information will be displayed on…
• 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.
• 10113716Jun 26, 2015Equipment. This engineering information bulletin annouces the end of need for information from the field regarding Service 4WD message displayed, DTC C0392 set.

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