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Service bulletins for the 2019 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
16NA3802019-07-01. 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.
16NA1192019-07-01. Service bulletin. EQUIPMENT. This warranty administration bulletin provide policy information to cover GM's policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
080089014E2019-07-01. Service bulletin. EQUIPMENT. This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
000310006N2019-07-01. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV).
19NA0852019-07-01. Service bulletin. EQUIPMENT; ENGINE. This technical bulletin provides a procedure to replace the A/C compressor if found with 5 rib pulley and the cause of the customers concerns.
19NA0612019-07-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This technical bulletin provides a procedure to replace the Emission Reduction Fluid Controller if found the cause of the customers concern.
18NA3552019-07-01. Service bulletin. POWER TRAIN. This technical bulletin provides information for new transmission oil to use and a procedure for exchanging the old fluid and adding the new fluid to correct a shake/shudder during light throttle acceleration condition.
18NA2832019-06-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Technical bulletin provides steps for dealers/technicians to change Wi-Fi hotspot displaying myCadillac for SSID name.
PIT5323B2019-06-10. Service bulletin. 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.
PIC63652019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates information to dealers advising certain Over the air updates and USB updates have been temporarily suspended.
PIT5655B2019-06-10. Service bulletin. EQUIPMENT. This Preliminary information communicates that a customer may complain of when a Bluetooth call is received the ringing will be continuous for the rest of the drive cycle . It may be noted that this only seems to occur when using an Android device on OS 9.0. This may be caused by a software concern in the phone. The dealer is instructed that the phone manufacturer is working on a software update to resolve the concern.
PIT5492B2019-06-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have the battery is discharged overnight. Technician will need to inspect X301 for bent pins as shown below. Repair or replace terminals as needed.
PIT56882019-06-10. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. This preliminary information was released to advise of an alternate means of purging the air from the cooling system.
PIT5474C2019-06-10. Service bulletin. ELECTRICAL SYSTEM; STEERING. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Power Steering message, loss of power and or Malfunction Indicator Lamp on in the Instrument Panel Cluster. Technician will inspect terminals for circuits 2500 and 2501 at the transfer case control module connector, X103 and X106 for oversized or bent terminals. Technician should fix and terminal issues.
PIT5363E2019-06-10. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE. This Preliminary Information communication provides information to the technician about vehicles that may have a click or tick noise heard inside cab with engine running. Technician may find the engine or High Pressure Fuel Pump tick noise that is very loud in the cab of the truck. Comparison with another truck having the same powertrain could show the other truck is quieter. Technician will install an acoustic seal that may be missing or dislodged. Update extends to all engines and all model years.
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.
PIT5668A2019-06-03. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. This preliminary information is to clarify a normal fluctuation of the temperature gauge.
PIP5569A2019-06-03. Service bulletin. ENGINE; FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's engine may crank over unprompted and not start afterward. This is the result of hooking up the Active Fuel Injector Tool incorrectly on vehicles equipped with a direct fuel injection system. This Preliminary information instructs the dealer of a repair kit they received that will prevent this issue when installed correctly.
PIP5369C2019-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. This Preliminary Information communication provides information to the technician about vehicles that have "Service 4 Wheel Drive" message on the Driver Information Center. Provides the technician with additional information to ensure that the TCCM contains the latest software released to address previous issues, also advises of default action changes. Calls out specific circuits to be inspected to help isolate intermittent codes.
PIP56352019-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary information communicates to the dealer technicians a service procedure to follow if DTC P206D is encountered.
PIP4670F2019-06-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical system associated with these vehicles does not allow controller swaps between vehicles.
19NA0822019-05-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; VISIBILITY:REAR WINDOW WIPER/WASHER. This technical bulletin provides repair information to correct a customer concern of seeing a water leak coming from the rear window area.
1008110001H2019-05-20. Service bulletin. EQUIPMENT. This informational bulletin provides information on proper use of floor mats.
030729004L2019-05-20. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; EQUIPMENT. This informational bulletin provides normal operating characteristics and diagnostic information on Manual transmissions.

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