Service bulletins for the 2008 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.
1655 on file from NHTSA, as of 2026-10-19.
By type
By component
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Only bulletins with component: Body and frame are shown. Show all
| PIT5201 | 2023-12-26. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555. |
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| PIT5180A | 2023-12-26. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area. |
| PIT5180 | 2023-12-26. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area |
| PIT5201 | 2023-12-11. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. Driver or Passenger Door Module DTC B2555. |
| PIT5180A | 2023-12-11. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area. |
| PIT5180 | 2023-12-11. Service bulletin. STRUCTURE. Whistle Noise From Drivers Side A Pillar Area |
| 120421001B | 2023-12-04. Service bulletin. STRUCTURE; UNKNOWN OR OTHER. Transfer Case Identification First Design vs. Second Design |
| 110139005A | 2023-12-04. Service bulletin. STRUCTURE. Reduced Heater Performance with Winter Grille Cover Installed |
| PIT3227S | 2023-06-13. 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. |
| PIP5358B | 2022-06-13. Service bulletin. STRUCTURE. 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. |
| PIT3227R | 2022-05-16. Service bulletin. STRUCTURE:BODY:TAILGATE:HINGE AND ATTACHMENTS. 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. |
| PIT5039E | 2021-12-13. Service bulletin. EQUIPMENT; STRUCTURE:BODY; ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING. This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern. |
| PIT5039D | 2021-09-13. Service bulletin. STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL; STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern. |
| 15-NA-082 | 2021-09-07. Service bulletin. STRUCTURE:FRAME AND MEMBERS; EQUIPMENT. Clunking Noise from Front of Vehicle During Turns and/or Bumps |
| PIT5039D | 2021-07-19. Service bulletin. STRUCTURE:BODY:BUMPERS. This Preliminary Information communication provides information to the technician about vehicles that the customer or up-fitter may have removed the rear bumper, install a different rear bumper, or add a different box/flat bed/cube box/hitch, etc. to the rear of the truck, which affects the rear park assist operation. Technician can disable the rear park assist for this concern. |
| PIP5358A | 2021-06-14. 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. |
| PI0281D | 2021-04-26. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy. |
| PI0281D | 2021-04-26. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS; EQUIPMENT ADAPTIVE/MOBILITY. Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy. |
| 09-08-66-011C | 2021-04-20. Service bulletin. STRUCTURE:BODY; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Information on Mounting Points for Pickup Box Accessories |
| PIT4745D | 2019-04-08. Service bulletin. STRUCTURE:FRAME AND MEMBERS; STRUCTURE:BODY; WHEELS. This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technician should first access the rear of the inner wheelhouse area through the tail lamp cavity and the front of the wheelhouse from under the vehicle, and coat the inner hem of the wheel house to side outer panel with 3M Rust Fighter I. After allowing the 3M Rust Fighter I to dry then apply several coats of Nox Rust X-121B undercoating. |
| PIT3227P | 2019-03-18. 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. |
| PIT4250J | 2018-12-17. Service bulletin. STRUCTURE. This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition is a normal operating characteristic of their vehicle. |
| PIT5570B | 2018-12-17. Service bulletin. EQUIPMENT; STRUCTURE:BODY:TAILGATE. This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed. |
| PIT3946C | 2018-12-17. Service bulletin. STRUCTURE; EQUIPMENT. This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001. |
| 07-08-42-006J | 2018-06-25. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. This informational bulletin provides information for an available BCM calibrations that would restore bulb outages when using a second stage manufacturer |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.