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Service bulletins for the 2018 GMC Canyon

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.

1246 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Body and frame are shown. Show all

Bulletins, newest first
12-08-51-002N2022-03-19. Service bulletin. EQUIPMENT; STRUCTURE. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
PIP5358A2021-06-14. Service bulletin. 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.
PIE-04352021-04-19. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS. Engineering Information — Roof Panel Joint Finish Molding Loose, Missing or Lifting Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Condition Important: If the customer did not bring their vehicle in for this concern, DO NOT proceed with this EI. Some customers may comment on the roof panel joint finish molding loose, missing, or lifting. Cause GM Engineering is attempting to determine the root cause of the above condition. Engineering has a need to gather information on vehicles PRIOR to repair that may exhibit this condition. As a result, this information will be used to "root cause" the customer's concern and develop/validate a field fix. Correction If you encounter a vehicle with the above concern, PRIOR to any repair take pictures of the molding in its current state and contact one of the engineers listed below for further instructions.
PIP57842021-04-19. Service bulletin. 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.
21NA0262021-03-08. Service bulletin. EQUIPMENT; STRUCTURE; EQUIPMENT ADAPTIVE/MOBILITY. This service bulletin provides information for dealers/technicians on accessory all-weather floor liners and flat mats warped or misshapen.
990851001E2020-12-21. Service bulletin. EQUIPMENT; STRUCTURE. Thins informational bulletin provides information on Paint-less Dent Repair Process.
20NA0522020-11-30. Service bulletin. STRUCTURE:BODY. This technical bulletin provides repair information to correct a customer concern of ticking type noise heard from the driver and/or passenger side center pillar upper trim panel structure, on bumpy roads.
18NA3062020-10-26. Service bulletin. EQUIPMENT; STRUCTURE:BODY. This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
150089002B2020-09-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; STRUCTURE. This bulletin provides information to dealers regarding transportation damage repair claim submission requirements.
19NA1072020-08-10. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; STRUCTURE:BODY:DOOR. This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently.
PI0281H2020-06-01. Service bulletin. STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
19NA1042020-04-06. Service bulletin. EQUIPMENT; STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
PIT5340D2020-01-21. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern.
120851002J2019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
19NA1072019-07-01. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of the extended cab rear door ajar indicator illuminated intermittently.
19NA0942019-07-01. Service bulletin. STRUCTURE. This technical bulletin provides a procedure for installing screws to the center pillar upper trim panel structure on the affected sides to eliminate the ticking type noise.
PIT5396C2019-06-10. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician that some vehicle may have a water leak into the cabin. Water staining may be seen in the headliner or water may be on the floor. Technician will inspect these areas for water intrusion roof ditch, rear glass, center high mounted stop light, windshield, cowl seam, heater-vent-air conditioning drain tube, pillar area, and the pressure relief valve.
PIT5632A2019-06-03. Service bulletin. EQUIPMENT; STRUCTURE. This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon.
PIE0496A2019-04-22. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. This engineering informational bulletin is requesting information for the drivers door window regulator being inoperative due to possible software.
18NA2002019-04-22. Service bulletin. STRUCTURE. This informational bulletin provides information from engineering that identified 3 possible areas to inspect for a rattle type noise that is being heard from the instrument area.
PIE04982019-03-25. Service bulletin. STRUCTURE; EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT ADAPTIVE/MOBILITY. This engineering informational bulletin is requesting information on product issue with the door weather strip, door body fit, and/or rear tail lamp moisture.
PIT3227P2019-03-18. Service bulletin. STRUCTURE:BODY:TAILGATE. 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.
PIT5340C2018-12-17. Service bulletin. STRUCTURE:BODY:HOOD. This Preliminary Information communication provides information to the technician about vehicles that have a hood that may shake or flutter while driving. Technician will need to adjust the hood bumpers for this concern.
PIP5491A2018-11-13. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE. This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on the terminals.
PIT56322018-10-15. Service bulletin. STRUCTURE; STRUCTURE:BODY:ROOF AND PILLARS. This preliminary information explains that engineering is investigating a noise from the B-Pillar of the truck and repair instructions will be released soon.

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