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Service bulletins for the 2018 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1723 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
150089004D2022-06-13. Service bulletin. FUEL SYSTEM, OTHER. 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.
100605002J2022-06-13. Service bulletin. EQUIPMENT. This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
080089014G2022-06-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
070601016G2022-06-13. Service bulletin. BACK OVER PREVENTION. This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
070316004D2022-06-13. Service bulletin. SERVICE BRAKES. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
050604022S2022-06-13. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
030604017P2022-06-13. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. This service bulletin provides information on availability of Diesel Fuel additives.
000090002L2022-06-13. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. This service bulletin provides information for accurate tire pressures that ensure the safe handling and appropriate ride characteristics of GM cars and trucks.
16-NA-1092022-06-09. Service bulletin. STEERING; EQUIPMENT. 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.
17-NA-3502022-06-04. Service bulletin. TRAILER HITCHES. This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
16-NA-3722022-06-04. Service bulletin. EQUIPMENT:MECHANICAL; ENGINE. This 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 normal operating conditions.
22-NA-1062022-06-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; EQUIPMENT. This service bulletin provides information on GM Canada New Vehicle Tire Warranty Program for Original Equipment (OE) Tires and PDI installed Limited Production Option (LPO) Tires.
21-NA-0432022-06-02. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; WHEELS. This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
20-NA-1422022-06-02. Service bulletin. POWER TRAIN. This Technical bulletin provides a repair to correct a condition of Shudder/Surging While Driving.
18-NA-0992022-06-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This bulletin provides information for use on a Product Assistance Claim (PAC), which is formerly known as a Product Allegation Resolution (PAR) claim.
17-NA-0662022-06-01. Service bulletin. POWER TRAIN. This warranty administration bulletin provide policy information for automatic transmission Oil Cooler Flush and flow test.
20-NA-1592022-05-31. Service bulletin. WHEELS. This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
14-06-04-004H2022-05-31. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
22NA0182022-05-31. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This service bulletin provides information for the Global Warranty Management (GWM) Warranty Parts Center (WPC) Part Photo Return Process (U.S. Dealers Only).
22NA0142022-05-31. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This technical provides a procedure to check for a possible faulty Reductant Injector and replace if the cause of the customers concern.
22NA0132022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. This technical bulletin provides a procedure for the technician to check and tighten the CAC plumbing if found loose.
22NA0122022-05-31. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. This service bulletin provides information for dealers/technicians on Stone Chip/Membrane Damage, Broken Connector and/or Sensor Retaining Tabs, and/or Paint Damage of Park Assist Sensors.
22NA0092022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. This service bulletin provides service information on new torque specification and installation procedure for ACDelco Spin-On Oil Filters.
19NA2372022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin explains how to identify possible DEF contamination.
19NA2322022-05-31. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.