2009 Chevrolet TrailblazerService bulletins
2009 Chevrolet Trailblazer Technical Service Bulletins
963 technical service bulletins (TSBs) are on record for the 2009 Chevrolet Trailblazer. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.
- 10029924Dec 1, 2011Air bags. General motors: diagnostic information for intermittent restraints, air bag (sir) indicator/lamp on with dtc(s) b0012, b0013, b0016, b0016, b0019, b0020, b0022, b0023, b0026, b0033, b0040, b0042 or b0044 set. This may be caused by a loose, missing, or broken connector position assurance (cpa) retainer at the air bag for the set dtc. Includes trailblazer ext. *pe updated 8/16/10. *pe updated 3/12/12.
- 10037184Oct 1, 2011Seat belts. Gm: service bulletin explaining when the safety belts are supposed to lock. *rm updated 12/6/11.
- 10040504Jul 1, 2011Engine cooling. Gm service campaign: see document search button for owner letter. 2008-2009 trailblazer/envoy. The vehicles may develop a crack in the exhaust manifold. It could result in increased exhaust noise.
- 10036464May 1, 2011Engine cooling. Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle or lifter concern. Upon inspection, obvious oil will be found in the intake manifold and/or pcv vacuum tube. *pe updated 3/21/11. *pe updated 5/9/11. *pe updated 5/25/11. *pe updated 06/16/2011. *kb updated a second time on 06/16/2011. *kb updated 6/27/11.
- 10038349Feb 1, 2011Transmission and drivetrain. Gm: there is a whine noise when in drive or reverse. There is a bearing problem in the torque converter.
- 10037941Jan 1, 2011Engine cooling. Gm: service engine soon light is on with a misfire and a possible tick noise.
- 10037933Jan 1, 2011Engine cooling. Gm: the service engine soon light is on, there is also a misfire or engine noise. There are multiple possible causes.
- 10037553Jan 1, 2011Electrical system. Gm: there are multiple concerns with the onstar system. It is not working correctly and the battery may drain.
- 10030725Dec 1, 2010Engine cooling. Saab/hummer/gmc/chevrolet: malfunction indicator lamp (mil) illuminated, dtcs p0300-p0306, engine runs rough (inspect for water intrusion in spark plug recess area, replace spark plug and ignition coil, seal ignition coil bolt hole vents and seal hood air grille). *pe updated 6/7/11.
- 10037130Oct 1, 2010Brakes. Gm: the abs lights may come on intermittently with three possible trouble codes.
- 10032869Jun 1, 2009Transmission and drivetrain, Steering. Gmc/chevrolet/saab/hummer: bind/tie-up in fourth gear, no second or fourth gears, overrun clutch distress. During disassembly of the transmission technicians may find that the 2-4 band (item 602 in si document 1553208) and the overrun clutch (645) are both distressed while no other clutches are damaged.
- 10028245Feb 1, 2009Body and structure. General motors: service update for inventory and customer vehicles. Liftgate window hinge pin clip not properly installed (expires with base warranty). Make/model include saab 9-7x 2009. *pe update 7/5/09.
- 10026704Aug 1, 2008Fuel system. Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
← All problems reported for the 2009 Chevrolet Trailblazer
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.