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Service bulletins for the 2012 Chevrolet Express

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.

1796 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
05-03-10-020E2018-05-29. Service bulletin. TIRES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin explains the use of Nitrogen in GM tires.
07-03-10-008D2018-05-29. Service bulletin. TIRES. This bulletin provides information regarding the normal tire wear condition of slight or mild tire feathering and recommended practices.
13-00-89-004F2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin helps the technician quick reference repairs to bulletins as opposed to replacing parts that may be un necessary.
PI0235H2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. This preliminary information bulletin provides a procedure to repair the joint being loose or out of position for the turbocharger to turbocharger exhaust pipe or turbocharger exhaust pipe exhaust downpipe connection, to correct the customers concern of Exhaust Leak or Vibration/Rattle Noise at Approximately 900 RPM, Fuel Smell, White Smoke, Oily Substance on Exhaust Downpipe.
PI1156A2018-05-29. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS; STRUCTURE:BODY:DOOR. This preliminary bulletin provides a procedure to replace the door handle rod clips to correct the customers concern of the outside door handles wont open the door.
02-08-98-002E2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The informational bulletin provides a procedure to remove and repair rust from a Hem Flange.
05-08-48-001D2018-05-29. Service bulletin. VISIBILITY:WINDSHIELD; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletion provides the dealer technician information and guidelines for claiming a windshield.
99-01-39-004E2018-05-29. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
PI0488D2018-05-29. Service bulletin. EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION. This preliminary informational bulletin provides a procedure to inspect the transmissions filter for splits or cracks to correct the customers concern for no forward, reverse or slips.
99-01-39-004F2018-05-29. Service bulletin. EQUIPMENT; EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This technical bulletin provides a procedure to correct the customers concern of odor coming from the Air conditioning.
00-06-01-012E2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the technician the information on how to properly clean a metal surface using the correct tool.
12-03-10-001B2018-05-29. Service bulletin. WHEELS:RIM; TIRES. This informational bulletin provides technicians with ways to decrease the tire slipping on the rim and reduce to possible chances of the customers concerns over tire vibration are repair.
05-02-32-008F2018-05-29. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS; STEERING. This technical bulletin provides a procedure to replace the power steering pump and line to correct the customers concern of lack of steering assit when stopped or parking lot manuvers.
08-08-51-003E2018-05-29. Service bulletin. STRUCTURE:BODY:BUMPERS. This informational bulletin informs dealers to remove the protective bumper films.
14-06-04-0052018-05-29. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This information bulletin advises of a new tool used to aid in installing Duramax glow plugs.
00-00-89-027H2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This informational bulletin provides information on what products GM has to aid in the eliminating unwanted odors in a vehicle.
02-00-89-002M2018-05-29. 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.
PI0938A2018-05-29. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This preliminary bulletin provides information on what labor operation number to use for various electrical/electronic control issues.
10-00-89-006D2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This information bulletin provides the dealers on how to submit a product information report.
10-08-46-001B2018-05-29. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT. This Technical bulletin provides a procedure to request a hard mute from Onstar when navigation is annoucing directions and to correct the customers concern of the radio being loud during navigation.
PI08732018-05-29. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. This preliminary information bulletin provides information on the repositioning of the fuel cap teather due to a binding concern causing a DTC P0442 and/or P0455 with a malfunction indicator lamp illuminated.
PI0774B2018-05-29. Service bulletin. EQUIPMENT:ELECTRICAL. This preliminary information bulletin provides a descritption of operation of the echo control and noise cancellation settings for concernc regarding noice drop outs during calls and muffled sound.
11-00-89-005C2018-05-29. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor Operations and Customer Enthusiasm
11-00-90-001A2018-05-29. Service bulletin. ENGINE AND ENGINE COOLING. This informational bulletin provides information on the proper oils to use on GM vehicles including information regarding the differences of the Dexos oils.
08-08-46-004A2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This informational bulletin provides information regarding the aftermarket device interference with onstar diagnostic service.

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