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Service bulletins for the 2020 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
18NA1462019-09-23. Service bulletin. EQUIPMENT. This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
17NA2762019-09-23. Service bulletin. EQUIPMENT:ELECTRICAL. This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic of the vehicle in demo mode.
16NA3802019-09-23. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
16NA1092019-09-23. Service bulletin. STEERING. This technical 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.
PIT57052019-09-16. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Preliminary information communicates a noise from the front end over bumps originating at the battery hold down retainer at inner fender.
PIT5323C2019-09-16. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This Preliminary Information communication advises the technician about the narrowing of the bedrails. When installing a bed rail accessory the concern is made visible. This is a characteristic of the sleek design of the vehicle and no repair is necessary. Please communicate to the customer this condition is a normal design characteristic of their vehicle.
PIT5635A2019-09-16. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY. This preliminary information suggests the technician verify a noise from the rear is or isn't coming from the rear leaf springs before a service on the springs is performed.
990089019R2019-08-19. Service bulletin. EQUIPMENT. This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
17NA1342019-08-19. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. This informational bulletin explains how to check the NOx Catalyst Reductant-Load Adaptive Values using GSD2.
16NA0172019-08-19. Service bulletin. ENGINE; POWER TRAIN. This informational bulletin provides information ticking noise and/or noise when turning vehicle off.
PIP5571A2019-08-12. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates a possible concern of two connectors being swapped during a repair causing a P0016 code to set.
PIE05252019-07-29. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). This engineering informational bulletin is requesting information on the 4WD will not engage when requested.

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