2018 Chevrolet Silverado 1500 Technical Service Bulletins

1,234 technical service bulletins (TSBs) are on record for the 2018 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.

• 10199249May 6, 2021Equipment. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10199237May 6, 2021Electrical system, Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10198858May 6, 2021Tires. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
• 10198846May 6, 2021Fuel system. This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
• 10199271May 3, 2021Engine. This service bulletin provides diagnostic information for a customer concern of engine vibration.
• 10199241May 3, 2021Electrical system. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10199238May 3, 2021Engine, Electrical system. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10198880May 3, 2021Engine cooling. This service bulletin provides diagnostic information for a customer concern of engine vibration.
• 10198850May 3, 2021Fuel system. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10198847May 3, 2021Engine cooling. This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
• 10194079Apr 30, 2021Transmission and drivetrain. This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.
• 10194110Apr 26, 2021Equipment. This technical bulletin provides a procedure to install a pice of foam between the heater core pipes to correct the customers concern.
• 10193474Apr 26, 2021Visibility (wipers, defrost, mirrors), Equipment. This Preliminary information communicates if the sunroof, rear sliding window, and/or wireless charging are found to be inoperative due to the F2DL and/or the F8DL fuse(s) being open. Inspect the center console harness area at the hinge pivot point for chaffed circuits.
• 10195150Apr 23, 2021Electrical system. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer (Upfitter), and/or turn signals flash fast after factory box removed.
• 10194114Apr 23, 2021Equipment. This service bulletin provides information regarding Witness Marks from Panel Adjustments Made During Manufacturing and that it is considered a normal condition.
• 10195126Apr 22, 2021Engine. This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
• 10194101Apr 16, 2021Equipment. This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2017-2022 and newer model year vehicles with RPO ATH and AVJ (U.S. Only).
• 10194081Apr 13, 2021Equipment. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
• 10193450Apr 12, 2021Wheels. This Preliminary Information communication provides information to the technician to not remove the torque converter bolts and start the engine as this may cause damage to the torque converter of the crankshaft on vehicles equipped with an automatic transmission.
• 10195128Apr 9, 2021Suspension. This service bulletin provides information to dealership personnel on diagnosis and replacement of shock absorber and strut due to fluid leak.
• 10194084Apr 8, 2021Equipment. This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
• 10194082Apr 7, 2021Equipment. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
• 10194080Apr 7, 2021Fuel system. This technical bulletin provides a procedure to replace the fuel tank and internal parts if found expanding and contacting the drive shaft.
• 10195149Apr 6, 2021Equipment. This service bulletin provides information on Enhancing Field Product Reports with Digital Pictures.
• 10195127Apr 6, 2021Equipment. This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
• 10193430Apr 1, 2021Equipment. 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.
• 10191191Mar 30, 2021Equipment. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
• 10190437Mar 30, 2021Fuel system. 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.
• 10190433Mar 30, 2021Engine 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.
• 10191192Mar 29, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10190431Mar 26, 2021Visibility (wipers, defrost, mirrors). This Preliminary Information communication advises the technician the steps on diagnosing the concern. Customer's sunroof operation intermittent, bind, noise, auto-reverse, and/or water leaks.
• 10190426Mar 25, 2021Electrical system. This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.
• 10190417Mar 22, 2021Engine cooling. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
• 10190413Mar 19, 2021Equipment. This Preliminary information communicates the use of Winter grade fuel during the warm months of 2020 and the potential rivability issues that it can cause. The ongoing Coronavirus (COVID-19) pandemic has caused significant reductions in driving and fuel use. Due to the surplus of winter grade fuel sitting in storage (pipelines/stations) the EPA is waiving the fuel vapor requirement. This will extend the use of…
• 10191233Mar 17, 2021Equipment. This Warranty Administration bulletin provides information on Dealer Empowerment for Goodwill, Customer Enthusiasm and Policy (U.S. Only).
• 10191232Mar 11, 2021Equipment. This informational bulletin provides information on proper use of floor mats.
• 10191207Mar 11, 2021Engine cooling, Transmission and drivetrain. This bulletin provides information on Policies Applicable to All U.S. Dealers for Engine and Transmission Assembly Replacement Under Warranty, Policy or Customer Enthusiasm and information on Submission of Warranty Transaction in Global Warranty Management.
• 10191197Mar 10, 2021Body 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).
• 10191217Mar 9, 2021Equipment. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
• 10191206Mar 9, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10191163Mar 8, 2021Steering. This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
• 10191209Mar 4, 2021Fuel system. This technical bulletin provides a procedure to inspect and repair the fuel pressure sensor if found the cause of the customers concern.
• 10191231Mar 1, 2021Wheels. This informational bulletin provides information on Wheel Balancer Mounting Instructions.
• 10190355Mar 1, 2021Body and structure. This Preliminary information communicates to the dealer technician to inspect for a missing 1-2-7-8-R clutch fluid passage seal or incorrect 1-2-7-8-R clutch fluid passage seal being install for a no movement concern after valve body replacement on the 8L45 or 8L90 transmissions.
• 10188403Jan 29, 2021Suspension, Transmission and drivetrain. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
• 10188401Jan 29, 2021Equipment, Body and structure. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
• 10187746Jan 29, 2021Equipment, Body and structure. This technical bulletin provides repair information to correct a customer concern of water leaking into bed area on trucks equipped with High Desert package.
• 10187773Jan 22, 2021Electrical system, Equipment, Engine cooling. This technical bulletin provides a procedure to reset the DTCs and take the vehicle for a test drive to verify the codes do not return.
• 10187747Jan 22, 2021Equipment, Fuel system. This informational bulletin advises the tech of a possible normal condition when the vehicle creeps forward during start up conditions when the clutch packs are full of residual oil.
• 10187745Jan 22, 2021Engine. This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.

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