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Service bulletins for the 2008 Chevrolet Silverado

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.

1645 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIP5540B2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP4925B2019-03-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
18NA0942019-03-18. Service bulletin. AIR BAGS. This informational bulletin provides information on Takata Air Bag Completion Rate Improvement Program - Applicable to GM Recalls 14491, 14735, 15040, 15041, 15043, 15044, 15045, 15046, 15406, 15438, 15442, 15815, 15816, 15817, 15818, 15826, 17009, 17476, 17477, 28810 and 28811.
PIP4021D2019-03-11. Service bulletin. POWER TRAIN. This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has been shut off should be deemed a normal characteristic.
PIP5540D2019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates to the technician the need to inspect the induction system for potential icing issues in very cold ambient temperatures. To allow the ice to melt so that it can be drained from the related components. That any of the listed DTC's may set with or without poor engine performance.
PIP56282019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP56272019-03-11. Service bulletin. FUEL SYSTEM, GASOLINE. This Preliminary information communicates to the dealer an issue where the vehicle's inspection and maintenance monitors along with diagnostic trouble codes may reset unprompted due to the installation of an aftermarket fuel pump control module.
PIT5652A2019-03-11. Service bulletin. EQUIPMENT:ELECTRICAL. This Preliminary Information document advises technicians that a condition may occur with the listed vehicles where the radio clock may not display the time. Dealer technicians are advised to contact General Motors TAC for further instructions for a temporary repair until Engineering has developed the permanent repair. The listed Cadillac and Corvette RPO codes do not have a temporary repair at this time as Engineering continues to work on the permanent repairs for those vehicles.
PIT4250J2018-12-17. 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.
PIT5570B2018-12-17. 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.
PIT5353C2018-12-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. This Preliminary Information communication provides information to the technician about what XM offerings are available for vehicles. A dealer or customer can access the website listed below for vehicle specific XM offerings and availability.
PIC6107A2018-12-17. Service bulletin. EQUIPMENT:ELECTRICAL; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This Preliminary Information communication provides information to the technician about being unable to receive OnStar ?Over The Air? updates. Technician will need to press the OnStar button and verify they have an active account and that the call connects with data and location.
PIT3946C2018-12-17. 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.
PIT5082B2018-12-17. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. This Preliminary Information communication provides information to the technician about vehicle HVAC system does not always respond to requests for changes in air delivery or temperature from the HVAC controls. The technician may find that the HVAC control module will communicate with the scan tool but the HVAC door data actual counts will read 0 counts. The dealer is directed to ensure there is 12V on circuit 300 at HVAC control module before replacing module.
06-03-09-004F2018-12-10. Service bulletin. SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY. This technical bulletin provides a procedure to add a lubricant to the rear leaf springs to correct the customers concern of a squeaking noise from the rear suspension.
10-08-110-001B2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on how to use floor mats.
10-08-44-006C2018-12-10. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). This informational bulletin provides the technician on what to do if the customer has a navagation concern and submit a feedback form to the GM navigation disc center website.
05-06-04-022K2018-12-10. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides information on top tier fuels and what brands are available.
07-08-42-006J2018-12-10. Service bulletin. ELECTRICAL SYSTEM. This informational bulletin provides information for an available BCM calibrations that would restore bulb outages when using a second stage manufacturer
07-00-89-036G2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin ask the dealers for digital pictures to better enhance field reports only.
10-00-89-006E2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the dealers on how to submit a product information report.
02-00-89-002N2018-12-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides additional information to the technicians and how to submit a field product report.
PIP56012018-11-13. Service bulletin. EQUIPMENT. This Preliminary information communicates
PIP4138R2018-11-13. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
PIT5099D2018-11-13. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures, outside temperature, humidity, and vent temperature.

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