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TSB: BUICK CANYON, COLORADO, ENVOY, H3, RAINIER, TRAILBLAZER (2005–2012)

Bulletin PIP3472C — February 8, 2018

Bulletin Details

Bulletin IDPIP3472C
ManufacturerBUICK
ModelsCANYON, COLORADO, ENVOY, H3, RAINIER, TRAILBLAZER
Model Years2005–2012
Date IssuedFebruary 8, 2018
Date Added to NHTSAMarch 12, 2018
ComponentFUEL SYSTEM, GASOLINE
Vehicles Affected32 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that may have an engine that misfires, possibly coming to a stop or on acceleration. This may be caused by contaminated

Affected Vehicles

MakeModelYearComponent
GMC CANYON 2012 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2012 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2011 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2011 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2010 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2010 070000 FUEL SYSTEM, GASOLINE
HUMMER H3 2010 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2009 070000 FUEL SYSTEM, GASOLINE
GMC ENVOY 2009 070000 FUEL SYSTEM, GASOLINE
HUMMER H3 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TRAILBLAZER 2009 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2008 070000 FUEL SYSTEM, GASOLINE
GMC ENVOY 2008 070000 FUEL SYSTEM, GASOLINE
HUMMER H3 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TRAILBLAZER 2008 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2007 070000 FUEL SYSTEM, GASOLINE
GMC ENVOY 2007 070000 FUEL SYSTEM, GASOLINE
HUMMER H3 2007 070000 FUEL SYSTEM, GASOLINE
BUICK RAINIER 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TRAILBLAZER 2007 070000 FUEL SYSTEM, GASOLINE
GMC CANYON 2006 070000 FUEL SYSTEM, GASOLINE
CHEVROLET COLORADO 2006 070000 FUEL SYSTEM, GASOLINE
GMC ENVOY 2006 070000 FUEL SYSTEM, GASOLINE
HUMMER H3 2006 070000 FUEL SYSTEM, GASOLINE
BUICK RAINIER 2006 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TRAILBLAZER 2006 070000 FUEL SYSTEM, GASOLINE
GMC ENVOY 2005 070000 FUEL SYSTEM, GASOLINE
BUICK RAINIER 2005 070000 FUEL SYSTEM, GASOLINE
CHEVROLET TRAILBLAZER 2005 070000 FUEL SYSTEM, GASOLINE

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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized BUICK dealer. Bring this bulletin ID (PIP3472C) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

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Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.

Back to All TSBs