NHTSA service bulletin

NHTSA Service Bulletin 11024155: 2018-2026 Porsche 911

Official manufacturer communication context for 2018-2026 Porsche 911, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11024155 summary graphic for 2018-2026 Porsche 911
11024155NHTSA document ID
Manufacturer communicationcommunication type
48affected product rows
48source rows grouped

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

Technical information for a Diagnosis and Handling of 12-Volt Lithium-Ion Battery (Vehicle Electrical System Battery)

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
Porsche9112018-2026Ask for service records and run the exact VIN before purchase.
Porsche911 4s2022Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera2020-2025Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera 42023Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera 4 Gts2022, 2023Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera 4s2023Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera Gts2022-2024Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera S2018, 2019, 2020, 2021, 2023Ask for service records and run the exact VIN before purchase.
Porsche911 Carrera T2023, 2024Ask for service records and run the exact VIN before purchase.
Porsche911 Dakar2023, 2024Ask for service records and run the exact VIN before purchase.
Porsche911 Gt22019Ask for service records and run the exact VIN before purchase.
Porsche911 Gt2 Rs2018, 2019Ask for service records and run the exact VIN before purchase.
Porsche911 Gt32018, 2019, 2021, 2022, 2023, 2024, 2025Ask for service records and run the exact VIN before purchase.
Porsche911 Gt3 Rs2019, 2023, 2024Ask for service records and run the exact VIN before purchase.
Porsche911 Gt3 Touring2022, 2023Ask for service records and run the exact VIN before purchase.
Porsche911 Targa 42018, 2019, 2020, 2021, 2023Ask for service records and run the exact VIN before purchase.
Porsche911 Targa 4s2023Ask for service records and run the exact VIN before purchase.
Porsche911 Targa Gts2023Ask 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 11024155?

Technical information for a Diagnosis and Handling of 12-Volt Lithium-Ion Battery (Vehicle Electrical System Battery)

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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