Service bulletins for the 2019 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.
2009 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| PIP4670G | 2019-07-08. Service bulletin. 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. |
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| PIT5690 | 2019-07-08. Service bulletin. INTERIOR LIGHTING. This Preliminary information communicates information on the third row dome lamp operation. |
| PIT5689 | 2019-07-08. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates that some customers may comment that after an auto-stop event the engine does not restart and to inspect the engine ground strap. |
| PIT5202E | 2019-07-08. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician about vehicles that are equipped with 6L80 Regular Production Option Code (MYC), 6L90 Regular Production Option Code (MYD) or 8L90 Regular Production Option Code (M5U) Automatic Transmission, now have Powertrain Grade Braking. Powertrain grade braking assists when driving on a downhill grade to help maintain desired vehicle speed by using the engine and transmission to slow the vehicle. |
| PIP5629A | 2019-07-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to the dealer technicians to refer to service bulletin 19-NA-109. |
| PI1255G | 2019-07-01. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. This preliminary informational bulletin contains recommendations of what needs to be done to swap/install camper outside rearview mirrors on a vehicle not originally equipped with them. |
| 120851002J | 2019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures. |
| 080730035D | 2019-07-01. Service bulletin. POWER TRAIN. This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid. |
| 19NA109 | 2019-07-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This informational bulletin provides information for dealers/technicians on Oil Life Monitor Engine Control Module Update. |
| 19NA108 | 2019-07-01. Service bulletin. ENGINE. This technical bulletin provides a procedure to replace the head gaskets if found doubled stacked. |
| 18NA217 | 2019-07-01. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL:CRUISE CONTROL. This technical bulletin provides a procedure to locate and repair a possible short in the 5294 circuit and correct the customers concern. |
| 16NA383 | 2019-07-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. This informational bulletin advises of a new fuel injection kit used for decarbonizing the intake valves, and explains how toptier fuels should be used to reduce carbon build up. |
| 16NA380 | 2019-07-01. 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. |
| 16NA119 | 2019-07-01. 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. |
| 19NA116 | 2019-07-01. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. |
| 080089014E | 2019-07-01. 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). |
| 000310006N | 2019-07-01. Service bulletin. TIRES. This informational bulletin provides information for dealers/technicians on Tire Radial Force Variation (RFV). |
| 19NA116 | 2019-07-01. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of pulsing, grinding, scraping noise from brakes, uneven front brake pad wear. |
| 19NA093 | 2019-07-01. Service bulletin. ENGINE. This technical bulletin provides repair information to correct a customer concern of Engine Air Filter Life Shows 0% After Battery Disconnect. |
| 18NA383 | 2019-07-01. Service bulletin. STRUCTURE; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window. |
| 18NA279 | 2019-07-01. Service bulletin. STRUCTURE:BODY:DOOR; LATCHES/LOCKS/LINKAGES; STRUCTURE. This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking. |
| 18NA289 | 2019-06-10. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE; ELECTRICAL SYSTEM:SOFTWARE. This technical bulletin provides a procedure to program the ECM if found the cause of engine misfire, codes. |
| 18NA283 | 2019-06-10. 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. |
| PIT5642A | 2019-06-10. Service bulletin. EXTERIOR LIGHTING; SEATS; ELECTRICAL SYSTEM. This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position. Engineering has released updated radio software to correction these concerns. |
| PIT5651B | 2019-06-10. Service bulletin. ELECTRICAL SYSTEM. This Preliminary information communicates and issue with a Service Column Lock message being displayed after performing a remote engine start using their cell phone app or key fob. GM Engineering is working on the issue. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.