2018 GMC Sierra 3500 Technical Service Bulletins

755 technical service bulletins (TSBs) are on record for the 2018 GMC Sierra 3500. 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.

• 10190329Oct 1, 2017Equipment, Back-over prevention (rear camera). Rear View Camera Guidelines Not Present at Times Condition Some customers may report that the Rear View Camera (RVC) guidelines are temporarily not available at times but the RVC will remain on during the concern. Additionally, no related DTCs will be found if this bulletin applies. One example of when this concern may be observed is if a customer quickly starts the car and immediately places the shifter in Reverse…
• 10190321Oct 1, 2017Equipment. Information for Fleet Vehicles – Ignition Key, Fob and Key Rings Configuration Some Customers are bundling multiple keys, fobs, and key tags together on a single crimped loop or a cable. This practice may result in unintended key rotation, and should be discontinued immediately. The information in this bulletin details the proper configurations for the ignition key, fob, key rings and key tags and applying a QR…
• 10190320Oct 1, 2017Electrical system, Equipment. IPC Odometer Programming Method Quick Reference Guide
• 10190267Oct 1, 2017Electrical system. Diagnostic Tip for Malfunction Indicator Lamp (MIL) Illuminated - DTC P249D, P249E, U029D, U029E Set Some customers may comment that the MIL is illuminated. The technician may find one or more of the following DTCs set: • U029D • U029E • P249D • P249E Note: The graphic above depicts an example of a torn and missing seal. • Moisture intrusion past a damaged (1) seal located in the connector for the NOx sensor wiring…
• 10159301Sep 29, 2017Equipment. 17357 and 17366 - Service update. General Motors has released four field actions related to a condition in which certain vehicles may have an incorrect torsion bar built into the front seat belt retractors. Vehicles in dealer new inventory were placed on stop delivery earlier this month and the field actions were released as parts become available. This message is being sent to provide a summary of the status of…
• 10157041Sep 28, 2017Electrical 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…
• 10157039Sep 27, 2017Engine cooling. This Preliminary information communicatesA vehicle may have a concern of engine noise and/or a misfire. This may be caused by a broken rocker arm.Abroken rocker arms that could result in the valve dropping to the cylinder, causing a catastrophic failure and the engine requires replacement due to cylinder head and block damage.
• 10157034Sep 25, 2017Body and structure, Equipment. This Preliminary Information communication provides information to the technician about vehicles that may have an EZ Lift and Lower tailgate opens too quickly. Technician will ensure nothing was added to the tailgate. If the tailgate opens within approximately 2-6 seconds, no repairs should be made. Technician should inspect the right tailgate bushing if the tailgate opens too quickly.
• 10157033Sep 25, 2017Engine cooling, Equipment, Electrical system. This Preliminary Information communication provides information to the technician of additional 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.
• 10157029Sep 25, 2017Electrical system, Engine. This preliminary information communicates a Diagnostic Tip for a Service Trailer Brake Message with DTC C111B C1112 C1113 C1114 advising to address any battery issues first before any in depth diagnostics are done.
• 10159297Sep 22, 2017Seat belts. 17366 Service Update. The driver?s and front passenger?s seat belt retractors in certain vehicles may have been built with different torsion bars than were used in testing the vehicles. Dealers will replace seat belt retractors for driver and front passenger seating locations.
• 10159585Sep 20, 2017Fuel system, Engine cooling. This informational bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these conditions.
• 10157023Sep 20, 2017Engine, Electrical system. This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Programming System.
• 10157021Sep 20, 2017Body and structure, Wheels. This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the…
• 10159295Sep 19, 2017Equipment. 17366 Stop Delivery Population Revision. On September 14, 2017, GM ordered a stop delivery of certain vehicles. Some vehicles have been removed from this stop delivery order because they were repaired at the plant, or had been sold prior to the stop delivery and identified as such after systems refreshed. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new…
• 10157014Sep 18, 2017Fuel system, Engine. This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and P128E during the inspection. If during the inspection of the fuel system contamination is found the complete fuel system will need to be cleaned and flushed. After the fuel…
• 10157013Sep 18, 2017Engine, Electrical system. This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Code P026A. The owner's manual advises not to drive above 45 MPH with a snowplow installed. However, GM Engineering is aware of the concern and is investigating.
• 10157012Sep 18, 2017Suspension, Equipment. This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related to damaged suspension components. Before any in-depth diagnostics are performed, be aware that various issues could occur if the vehicle has been modified and inform the customer…
• 10157010Sep 15, 2017Equipment, Electrical system. This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup or SUV when the vehicle was not ordered with the option. Dealer should advise the customer it cannot be added to the vehicle.
• 10157009Sep 15, 2017Electronic stability control. This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnostic Trouble Code C0710. Technician should inspect for vehicles modifications before any in-depth diagnostics are performed.
• 10159294Sep 14, 2017Seat belts. 17366 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. The GM field action number is 17366. The driver?s and front passenger?s seat belt retractors in these vehicles may have been built with different torsion bars than were used in testing the vehicles. Until further instructions are received, involved vehicles that are in dealers?
• 10159293Sep 14, 2017Equipment. N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added and some vehicles have been removed from this stop delivery order. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new inventory.
• 10159598Sep 13, 2017Back-over prevention (rear camera). This Technical bulletin provides information on new software to correct the rear camera display being too bright.
• 10159291Sep 12, 2017Equipment. N172118130 Stop Delivery population revision. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. The revised list provides the Vehicle Identification Number (VIN) of all involved vehicles in dealer new inventory. Until further instructions are received, involved vehicles that are in dealers?
• 10159587Sep 7, 2017Engine. This informational bulletin provides information on higher than expected oil consumption.
• 10159593Sep 6, 2017Equipment. This informational bulletin explains to the technician how to validate software calibrations have been tampered with by means of using aftermarket mods.
• 10159588Sep 6, 2017Engine cooling. This informational bulletin provides information on a Service Emission System Message and/or a Malfunction Indicator Lamp illuminated. This usually occurs after recently filling the DEF tank with the ignition in the on position due to some DEF fill equipment uses pumps that create a high level of temporary aeration of the DEF fluid being dispensed in the tank.
• 10159288Sep 6, 2017Equipment. N172118130 Stop Delivery. On September 1, 2017, GM ordered a stop delivery of certain vehicles in new vehicle inventory. Additional vehicles have been added to this stop delivery order. Until further instructions are received, involved vehicles that are in dealers? possession (new vehicle inventory) must be held and not delivered to customers, dealer-traded, released to auction, used for demonstration purposes or…
• 10156994Sep 6, 2017Equipment, Engine cooling. This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.
• 10156992Sep 6, 2017Fuel system, Engine cooling. This Preliminary Information communication provides information to the technician that some vehicle may have an “ Exhaust Fluid Quality Poor ” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid quality related concerns. Technician will inspect the diesel exhaust fluid for contamination.
• 10159262Sep 1, 2017Equipment. N172118130 Stop Delivery. Effective immediately, stop the delivery of certain vehicles in new vehicle inventory. We are investigating an issue relating to the accuracy of the New Car Assessment Program (NCAP) ratings on the Monroney label for these vehicles. Until further instructions are received, involved vehicles that are in dealers?
• 10137752Aug 30, 2017Engine cooling. This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.
• 10137750Aug 29, 2017Engine. This Preliminary Information communication provides information to the technician on vehicles that may have an intermittent high idle. If a technician has duplicated, or the customer description aligns with the speeds mentioned in the idle speed description tables, the idle speed should be considered a normal characteristic of current vehicle design.
• 10137747Aug 29, 2017Equipment. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication.
• 10137740Aug 25, 2017Engine cooling. This Preliminary information communicates to the dealer technicians aprocedure to determine if the vehicle'sSCR system is healthy.
• 10137736Aug 23, 2017Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P20EE, P2002, P2463, P2627, P2A00, P2459, P22B6, P200C, P200E, P0263, P0266, P0269, P0272, P0275, P0278, P0281 and/or P0284. Technician will need to follow publish Service Information diagnostics first.
• 10137733Aug 22, 2017Equipment. 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.
• 10137723Aug 16, 2017Fuel system. This Preliminary Information communication provides information to the technician about vehicle that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P2635, U0074 and or U18A2. Technician will need to follow published diagnostics for Diagnostic Trouble Codes U0074 would take priority over U18A2 if both set before addressing DTC P2635.
• 10137707Aug 10, 2017Transmission and drivetrain. This Preliminary Information communication provides information to the technician on the steps need to diagnose and repair vehicles that may have stalling shudder and/or hard shifting into 1st gear or reverse vibration on launch (with excessive crankshaft end play). Technician will test to determine if the crank shaft end play is within specification 0.0015–0.0086 inch.
• 10137701Aug 3, 2017Equipment, Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should replace the head gasket if they are found installed backwards.
• 10137697Aug 2, 2017Electrical system. This Preliminary Information communication provides information to the technician that when scanning a vehicle for Diagnostic Trouble Codes, may find a temporary loss of Human Machine Interface communication with Global Diagnostic System 2. Technician should not replace the Human Machine Interface for this concern, power cycling of the Human Machine Interface fuse should restore communication.
• 10126081Jul 31, 2017Equipment. This informational bulletin explains the Road Force balancers and what they can do for customer concerns.
• 10126113Jul 25, 2017Electrical system. This informational bulletin provides information on Information on How to Prevent Inadvertent Vehicle Starting from Key Fob or OnStar Mobile Application and where to locate the information for future use.
• 10126065Jul 25, 2017Equipment. This warranty administration bulletin provide policy information on required operating procedures.
• 10126111Jul 24, 2017Electrical system. This informational bulletin provides to the tech the new version of SPS that will prompt warnings when trying to reprogram modules that have been already reprogrammed.
• 10126100Jul 17, 2017Wheels. This informational bulletin provides information on mcgard wheel locks and if the key ever fractures that they will replace it via the website provided.
• 10126097Jul 14, 2017Electrical system. This informational Bulletin provides some Diagnostic Tips for preventing unnecessary HV Battery Pack replacement.
• 10118256Jun 12, 2017Electrical system. This Preliminary Information communication provides information to the technician on the programming and activation of the OnStar system. For many 2008 and prior model year GM vehicles, the programming is performed using the Tech 2 and the activation is initiated by a Service Programming System.
• 10138086Mar 29, 2017Suspension. This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
• 10138087Mar 17, 2017Steering. This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.

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