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TSB: BUICK ALLURE, GRAND PRIX, IMPALA, LACROSSE, MONTE CARLO (2004–2020)

Bulletin PIC4996C — March 26, 2021

Bulletin Details

Bulletin IDPIC4996C
ManufacturerBUICK
ModelsALLURE, GRAND PRIX, IMPALA, LACROSSE, MONTE CARLO
Model Years2004–2020
Date IssuedMarch 26, 2021
Date Added to NHTSAApril 19, 2021
ComponentFUEL SYSTEM, GASOLINE
Vehicles Affected120 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 PI offers diagnostic tips to a technician when diagnosing a possible fuel level sensor concern. The tech is advised to ohm test the sensor at the terminals located on top of the fuel module while performing a sweep test. If the test fa

Affected Vehicles

MakeModelYearComponent
CHEVROLET IMPALA 2020 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2020 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2020 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2019 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2019 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2019 280000 BACK OVER PREVENTION
BUICK LACROSSE 2019 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2019 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2019 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2018 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2018 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2018 280000 BACK OVER PREVENTION
BUICK LACROSSE 2018 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2018 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2018 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2017 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2017 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2017 280000 BACK OVER PREVENTION
BUICK LACROSSE 2017 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2017 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2017 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2016 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2016 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2016 280000 BACK OVER PREVENTION
BUICK LACROSSE 2016 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2016 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2016 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2015 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2015 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2015 280000 BACK OVER PREVENTION
BUICK LACROSSE 2015 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2015 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2015 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2014 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2014 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2014 280000 BACK OVER PREVENTION
BUICK LACROSSE 2014 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2014 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2014 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2013 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2013 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2013 280000 BACK OVER PREVENTION
BUICK LACROSSE 2013 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2013 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2013 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2012 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2012 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2012 280000 BACK OVER PREVENTION
BUICK LACROSSE 2012 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2012 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2012 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2011 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2011 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2011 280000 BACK OVER PREVENTION
BUICK LACROSSE 2011 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2011 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2011 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2010 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2010 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2010 280000 BACK OVER PREVENTION
BUICK LACROSSE 2010 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2010 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2010 280000 BACK OVER PREVENTION
BUICK ALLURE 2009 070000 FUEL SYSTEM, GASOLINE
BUICK ALLURE 2009 110000 ELECTRICAL SYSTEM
BUICK ALLURE 2009 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2009 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2009 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2009 280000 BACK OVER PREVENTION
BUICK LACROSSE 2009 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2009 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2009 280000 BACK OVER PREVENTION
BUICK ALLURE 2008 070000 FUEL SYSTEM, GASOLINE
BUICK ALLURE 2008 110000 ELECTRICAL SYSTEM
BUICK ALLURE 2008 280000 BACK OVER PREVENTION
PONTIAC GRAND PRIX 2008 070000 FUEL SYSTEM, GASOLINE
PONTIAC GRAND PRIX 2008 110000 ELECTRICAL SYSTEM
PONTIAC GRAND PRIX 2008 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2008 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2008 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2008 280000 BACK OVER PREVENTION
BUICK LACROSSE 2008 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2008 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2008 280000 BACK OVER PREVENTION
BUICK ALLURE 2007 070000 FUEL SYSTEM, GASOLINE
BUICK ALLURE 2007 110000 ELECTRICAL SYSTEM
BUICK ALLURE 2007 280000 BACK OVER PREVENTION
PONTIAC GRAND PRIX 2007 070000 FUEL SYSTEM, GASOLINE
PONTIAC GRAND PRIX 2007 110000 ELECTRICAL SYSTEM
PONTIAC GRAND PRIX 2007 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2007 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2007 280000 BACK OVER PREVENTION
BUICK LACROSSE 2007 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2007 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2007 280000 BACK OVER PREVENTION
CHEVROLET MONTE CARLO 2007 070000 FUEL SYSTEM, GASOLINE
CHEVROLET MONTE CARLO 2007 110000 ELECTRICAL SYSTEM
CHEVROLET MONTE CARLO 2007 280000 BACK OVER PREVENTION
BUICK ALLURE 2006 070000 FUEL SYSTEM, GASOLINE
BUICK ALLURE 2006 110000 ELECTRICAL SYSTEM
BUICK ALLURE 2006 280000 BACK OVER PREVENTION
PONTIAC GRAND PRIX 2006 070000 FUEL SYSTEM, GASOLINE
PONTIAC GRAND PRIX 2006 110000 ELECTRICAL SYSTEM
PONTIAC GRAND PRIX 2006 280000 BACK OVER PREVENTION
CHEVROLET IMPALA 2006 070000 FUEL SYSTEM, GASOLINE
CHEVROLET IMPALA 2006 110000 ELECTRICAL SYSTEM
CHEVROLET IMPALA 2006 280000 BACK OVER PREVENTION
BUICK LACROSSE 2006 070000 FUEL SYSTEM, GASOLINE
BUICK LACROSSE 2006 110000 ELECTRICAL SYSTEM
BUICK LACROSSE 2006 280000 BACK OVER PREVENTION
CHEVROLET MONTE CARLO 2006 070000 FUEL SYSTEM, GASOLINE
CHEVROLET MONTE CARLO 2006 110000 ELECTRICAL SYSTEM
CHEVROLET MONTE CARLO 2006 280000 BACK OVER PREVENTION
PONTIAC GRAND PRIX 2005 070000 FUEL SYSTEM, GASOLINE
PONTIAC GRAND PRIX 2005 110000 ELECTRICAL SYSTEM
PONTIAC GRAND PRIX 2005 280000 BACK OVER PREVENTION
PONTIAC GRAND PRIX 2004 070000 FUEL SYSTEM, GASOLINE
PONTIAC GRAND PRIX 2004 110000 ELECTRICAL SYSTEM
PONTIAC GRAND PRIX 2004 280000 BACK OVER PREVENTION

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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 (PIC4996C) 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