NHTSA service bulletin

NHTSA Service Bulletin 11018123: 2017-2023 Porsche Cayenne

Official manufacturer communication context for 2017-2023 Porsche Cayenne, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11018123 summary graphic for 2017-2023 Porsche Cayenne
11018123NHTSA document ID
Service campaigncommunication type
36affected product rows
65/100quality 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

Porsche intranet posting with information on workshop campaign WPD8 - reprogramming high voltage battery control unit

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
PorscheCayenne2017-2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne E-hybrid2019-2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne Gt2020-2022Ask for service records and run the exact VIN before purchase.
PorscheCayenne Gts2021-2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne S2018-2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne S E-hybrid2017, 2018, 2020Ask for service records and run the exact VIN before purchase.
PorscheCayenne Turbo2018, 2019, 2020, 2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne Turbo Coupe2020Ask for service records and run the exact VIN before purchase.
PorscheCayenne Turbo Gt2022, 2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne Turbo S E-hybrid2019-2023Ask for service records and run the exact VIN before purchase.
PorscheCayenne Turbo S Hyb Coupe2020Ask for service records and run the exact VIN before purchase.
PorschePanamera2017-2023Ask for service records and run the exact VIN before purchase.
PorschePanamera 42017-2023Ask for service records and run the exact VIN before purchase.
PorschePanamera 4 E-hybrid2017-2023Ask for service records and run the exact VIN before purchase.
PorschePanamera 4 Executive2018-2023Ask for service records and run the exact VIN before purchase.
PorschePanamera 4 Hybrid2018Ask for service records and run the exact VIN before purchase.
PorschePanamera 4 Hybrid Executi2018Ask for service records and run the exact VIN before purchase.
PorschePanamera 4 Hybrid Sport T2018Ask 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 11018123?

Porsche intranet posting with information on workshop campaign WPD8 - reprogramming high voltage battery control unit

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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