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Service bulletins for the 2020 GMC Terrain

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.

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

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By component

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

Bulletins, newest first
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.
20NA1472020-08-31. Service bulletin. STRUCTURE. This technical bulletin provides repair information to correct a customer concern of finding a sharp edge on the lower outboard corner of a front side door lower molding.
PIP5704D2020-08-10. Service bulletin. STRUCTURE. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
PIT5608C2020-06-15. Service bulletin. STRUCTURE. This preliminary information explains a potential issue engineering is investigating into water intrusion into the door passthrough connector and effecting door functions.
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.
N1922816402020-03-23. Service bulletin. EQUIPMENT; STRUCTURE:BODY:ROOF AND PILLARS. Customer Satisfaction Program - Certain vehicles may have a condition where the owner manual lists an incorrect roof cargo load specification. Customers will receive an owner manual insert notifying them of the update on the roof cargo load specifications. Dealers are to print and install the Owner Manual Insert.
PIP5704A2020-03-09. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
N1922824802020-02-18. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE; BACK OVER PREVENTION. Customer Satisfaction Program. Certain vehicles, may have several wires going to the body control module (BCM) damaged due to the installation/removal of the aftermarket LoJack alarm system from the vehicle. Dealer will inspect the wires going to the BCM and knee bolster for evidence that a LoJack alarm system was removed and repair as necessary.
PIP57042020-02-10. Service bulletin. STRUCTURE. This Preliminary information communicates a work around when only 11 digit PUN (Part Unique Number) is seen on Service Solenoid Body Assembly.
19NA2352019-11-25. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. This technical bulletin provides repair information to correct a customer concern of hearing a rattle or ticking noise coming from the B-pillar area.
PIT5608C2019-07-08. Service bulletin. STRUCTURE:BODY:DOOR. This preliminary information explains a potential issue engineering is investigating into water intrusion into the door passthrough connector and effecting door functions.

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