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Service bulletins for the 2008 Hummer H2

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
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.
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.
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.
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.
12-03-10-0022018-05-21. Service bulletin. EQUIPMENT; WHEELS. This informational bulletin provides a description of the proper wheel installation and proper wheel torque techniques used to install wheels onto vehicles
06-00-89-026J2018-05-21. Service bulletin. EQUIPMENT. This warranty administration bulletin provides information regarding customer concerns not duplicated and which labor operations to claim when the concern cannot be duplicated. Also provides information on how to submit claims within the global warranty managment.
10-00-89-010B2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides information and rules for GM keycode look up applicationa dn the key code security rules and regulations for Canada only.
10-00-89-017W2018-05-21. Service bulletin. EQUIPMENT; STRUCTURE; ELECTRICAL SYSTEM. This informational bulletin provides a list of newly released PI and Bulletins in regards to recent released vehicles so that vehicles can be fixed right the first time in for service.
PIP4112R2018-05-21. Service bulletin. EQUIPMENT; POWER TRAIN; ENGINE. This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at low speeds of less than 15 miles per hour and then aggressively applying the throttle, or after making a hard stop followed by an aggressive throttle. This is considered normal operation of the vehicle the throttle is delayed and opened slowly up to .7 seconds to help minimize driveline lash and clunking or will have approximately .5 seconds of zero torque to allow the transmission to shift to first gear.
09-06-04-026K2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. This informational bulletin supplies infomation for identifying non-GM (Aftermarket) engine calibrations for gasoline engines using Tech 2® or GDS 2 (U.S. and Canada).
03-06-03-003E2018-05-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This warranty administration bulletin provides policy information on ACDelco® replacement battery warranty procedures.
03-07-29-004J2018-05-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. This informational bulletin provides technicians with information to assist in identifying operating characteristics of manual transmissions that repair attempts will not change.
03-00-89-006L2018-05-21. Service bulletin. EQUIPMENT. This informational bulletin provides dealership personnel with information on new vehicle Pre-Delivery Inspection (PDI) process and to encourage delivering quality vehicles and generating higher CSi scores.
01-08-51-003E2018-05-21. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; STRUCTURE. This informational bulletin provides recommendations and product information for application of anti-corrosion materials
06-00-89-029K2018-05-21. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SEATS; EQUIPMENT. This informational bulletin provides dealership personnel with information on interior cleaning of Instrument Panel (IP), hard or plastic surfaces, seats, carpet, leather, vinyl, fabric cleaner, stain remover, restorer and product availability.
05-06-04-022M2018-05-21. Service bulletin. FUEL SYSTEM, GASOLINE. This informational bulletin provides information on TOP TIER Detergent Gasoline and available retail brands.
PI0671A2018-05-21. Service bulletin. STEERING. This preliminary information bulletin provides information for diagnosing a power steering fluid leak at the fluid reservoir.

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