NHTSA service bulletin

NHTSA Service Bulletin 10228863: 2005-2023 Buick 6500

Official manufacturer communication context for 2005-2023 Buick 6500, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10228863 summary graphic for 2005-2023 Buick 6500
10228863NHTSA document ID
Warranty program / extensioncommunication type
162affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
BuickAllure2006-2009Ask for service records and run the exact VIN before purchase.
BuickCascada2016-2019Ask for service records and run the exact VIN before purchase.
BuickCentury2005Ask for service records and run the exact VIN before purchase.
BuickEnclave2008-2023Ask for service records and run the exact VIN before purchase.
BuickEncore2013-2023Ask for service records and run the exact VIN before purchase.
BuickEncore Gx2020-2023Ask for service records and run the exact VIN before purchase.
BuickEnvision2016-2023Ask for service records and run the exact VIN before purchase.
BuickLacrosse2005-2020Ask for service records and run the exact VIN before purchase.
BuickLesabre2005, 2006, 2013Ask for service records and run the exact VIN before purchase.
BuickLucerne2006-2012Ask for service records and run the exact VIN before purchase.
BuickPark Avenue2005Ask for service records and run the exact VIN before purchase.
BuickRainier2005-2007Ask for service records and run the exact VIN before purchase.
BuickRegal2005, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020Ask for service records and run the exact VIN before purchase.
BuickRegal Tourx2018Ask for service records and run the exact VIN before purchase.
BuickRendezvous2005-2007Ask for service records and run the exact VIN before purchase.
BuickTerraza2005-2008Ask for service records and run the exact VIN before purchase.
BuickVerano2012-2017Ask for service records and run the exact VIN before purchase.
CadillacAts2013-2019Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10228863?

This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retention and proper handling of assembly returns for Canadian Dealers only.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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