NHTSA service bulletin

NHTSA Service Bulletin 10192034: 2021, 2022 Buick 4500xd

Official manufacturer communication context for 2021, 2022 Buick 4500xd, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10192034 summary graphic for 2021, 2022 Buick 4500xd
10192034NHTSA document ID
Warranty program / extensioncommunication type
37affected 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 administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2021 and newer model year vehicles with RPO ATH (U.S. 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
BuickEnclave2021Ask for service records and run the exact VIN before purchase.
BuickEncore2021Ask for service records and run the exact VIN before purchase.
BuickEncore Gx2021Ask for service records and run the exact VIN before purchase.
BuickEnvision2021Ask for service records and run the exact VIN before purchase.
CadillacCt42021Ask for service records and run the exact VIN before purchase.
CadillacCt52021Ask for service records and run the exact VIN before purchase.
CadillacEscalade Esv2021Ask for service records and run the exact VIN before purchase.
CadillacEscalade Na2021Ask for service records and run the exact VIN before purchase.
CadillacXt42021Ask for service records and run the exact VIN before purchase.
CadillacXt52021Ask for service records and run the exact VIN before purchase.
CadillacXt62021Ask for service records and run the exact VIN before purchase.
Chevrolet4500xd2021Ask for service records and run the exact VIN before purchase.
ChevroletBlazer2021Ask for service records and run the exact VIN before purchase.
ChevroletBolt EV2021, 2022Ask for service records and run the exact VIN before purchase.
ChevroletColorado2021Ask for service records and run the exact VIN before purchase.
ChevroletCorvette2021Ask 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 10192034?

This warranty administration bulletin provides policy information requirements applicable to key fob replacement under the New Vehicle Limited Warranty or under a Replacement Parts Warranty on 2021 and newer model year vehicles with RPO ATH (U.S. 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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