2018 Chevrolet Silverado 2500 Technical Service Bulletins

1,345 technical service bulletins (TSBs) are on record for the 2018 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.

• 10205540Nov 23, 2021Engine cooling, Transmission and drivetrain. This technical bulletin provides a procedure to replace the torque converter and inspect the front pump and the TEHCM for metal.
• 10205738Nov 8, 2021Wheels, Tires. This service bulletin provides information for dealers/technicians on Tire/Wheel Characteristics (Vibration, Balance, Shake, Flat Spotting) of GM Original Equipment Tires.
• 10205539Nov 8, 2021Engine cooling, Equipment. This service bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
• 10205737Nov 5, 2021Equipment. This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure, when diagnosing vibration concerns.
• 10205739Nov 1, 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.
• 10202391Sep 9, 2021Electrical system. This Preliminary Information communication provides information to the technician to help converting vehicles to fleet key option Regular Production Option Code 6E2 or 6E8. Technician will need to check the Regular Production Option Code for 6E2 or 6E8. Technician will need to order the correct key part number per the Regular Production Option Code. Then the technician will need re-code the lock cylinders to match…
• 10202385Sep 1, 2021Steering. This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is most noticeable in the cab at idle, in park, with all accessories turned off.
• 10201329Aug 26, 2021Engine cooling. This Preliminary Information communication provides information to the technician about vehicles that the blower motor may be noisy or vibrate when running. This concern will only occur when the temperatures is below 32 degrees Fahrenheit and if the blower motor is removed while still cold, ice may be found on the blower motor cage. This concern could be caused by water leaking or snow ingestion into the…
• 10205057Aug 20, 2021Fuel system. This service bulletin advises the technician on what to do if the DEF pump has been replaced and perform a leak test to prime the pump.
• 10201310Aug 11, 2021Equipment. This Preliminary Information communication provides information to the technician about installing General Motors Accessory parts/kits. Technicians should refer to Service Information for information regarding most accessories. Technicians may also contact PARTECH and/or the Techline Customer Support Center for additional support.
• 10205059Aug 6, 2021Electrical system. This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.
• 10205048Aug 6, 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.
• 10205046Aug 2, 2021Transmission and drivetrain, Steering, Electrical system. This technical bulletin provides a procedure to reprogram the power steering control module to correct a condition of Loss of Steering Assist due to a software abnormality.
• 10201177Jul 22, 2021Electrical system. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system…
• 10201252Jul 21, 2021Air bags, Transmission and drivetrain. 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…
• 10201251Jul 21, 2021Electrical system. This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
• 10201176Jul 21, 2021Electrical system. 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…
• 10200195Jul 1, 2021Equipment, Engine cooling. Customer Satisfaction Program Closed Message sent.
• 10200149Jun 28, 2021Equipment, Visibility (wipers, defrost, mirrors). This service bulletin provides information for dealers/technicians on glass ultraviolet (UV) Ray protection and tint percentage.
• 10200151Jun 21, 2021Equipment, Exterior lighting. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
• 10201285Jun 16, 2021Tires. 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.
• 10199285Jun 16, 2021Visibility (wipers, defrost, mirrors). 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.
• 10201281Jun 15, 2021Equipment. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.
• 10200154Jun 15, 2021Transmission and drivetrain, Equipment. This service bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operation.
• 10200152Jun 7, 2021Transmission and drivetrain, Equipment. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.
• 10200153Jun 3, 2021Equipment. This service bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
• 10200089May 27, 2021Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10197314May 27, 2021Transmission and drivetrain. This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.
• 10200092May 26, 2021Equipment. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10195333May 26, 2021Wheels. The complete Communication ID is: RFI20210526_939-187 and was communicated to customers on May 26, 2021. The Communication ID field did not permit me to enter the complete Communication ID as it is in our internal system. This product is a steel wheel. The customer communication requested return of unsold inventory to inspect the wheel for material dimension. If the material fails to meet the manufacturing…
• 10199281May 25, 2021Fuel system. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10198890May 25, 2021Electrical system. This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.
• 10199235May 21, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10198844May 21, 2021Equipment. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA).
• 10200090May 17, 2021Equipment. This service bulletin provides information for dealers on how to submit a product information report (PIR) (Canada Only).
• 10200088May 17, 2021Equipment. This warranty administration bulletin provides policy information for GM courtesy transportation and roadside assistance programs.
• 10199275May 17, 2021Transmission and drivetrain. This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
• 10198884May 17, 2021Engine cooling. This technical bulletin provides a procedure to perform a learn procedure for the turbo actuator.
• 10197294May 12, 2021Body and structure, Equipment. This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment by engineering. Technician will need to call General Motors Technical Assistance Center for further assistance.
• 10200091May 7, 2021Equipment. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
• 10197286May 7, 2021Suspension. This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer?s vehicles that exhibit vibration conditions without utilizing the support of General Motors Technical Assistance Center.
• 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.

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