TSB: PORSCHE 718 BOXSTER, 718 BOXSTER GTS, 718 BOXSTER S, 718 CAYMAN, 718 CAYMAN S, 718 SPYDER, 911, 911 CARRERA, 911 CARRERA S, 911 GT3, 911 TARGA 4, 911 TURBO, BOXSTER, CAYENNE, CAYENNE E-HYBRID, CAYENNE GT, CAYENNE GTS, CAYENNE S, CAYENNE TURBO S E-HYBRID, CAYMAN, CAYMAN GT4, MACAN, MACAN GTS, MACAN S, MACAN TURBO, PANAMERA, PANAMERA 4, PANAMERA 4 E-HYBRID, PANAMERA 4 EXECUTIVE, PANAMERA 4S, PANAMERA 4S E-HYBRID, PANAMERA 4S EXECUTIVE, PANAMERA 4S SPORT TURISMO, PANAMERA GTS, PANAMERA TURBO S, PANAMERA TURBO S E-HYBRID, PANAMERA TURBO S EXECUTIV, TAYCAN, TAYCAN 4S, TAYCAN 4S CROSS TURISMO, TAYCAN CROSS TURISMO, TAYCAN TURBO, TAYCAN TURBO S (2021–2023)

Bulletin No. 08-23 — February 27, 2023

Bulletin Details

Bulletin IDNo. 08-23
ManufacturerPORSCHE
Models718 BOXSTER, 718 BOXSTER GTS, 718 BOXSTER S, 718 CAYMAN, 718 CAYMAN S, 718 SPYDER, 911, 911 CARRERA, 911 CARRERA S, 911 GT3, 911 TARGA 4, 911 TURBO, BOXSTER, CAYENNE, CAYENNE E-HYBRID, CAYENNE GT, CAYENNE GTS, CAYENNE S, CAYENNE TURBO S E-HYBRID, CAYMAN, CAYMAN GT4, MACAN, MACAN GTS, MACAN S, MACAN TURBO, PANAMERA, PANAMERA 4, PANAMERA 4 E-HYBRID, PANAMERA 4 EXECUTIVE, PANAMERA 4S, PANAMERA 4S E-HYBRID, PANAMERA 4S EXECUTIVE, PANAMERA 4S SPORT TURISMO, PANAMERA GTS, PANAMERA TURBO S, PANAMERA TURBO S E-HYBRID, PANAMERA TURBO S EXECUTIV, TAYCAN, TAYCAN 4S, TAYCAN 4S CROSS TURISMO, TAYCAN CROSS TURISMO, TAYCAN TURBO, TAYCAN TURBO S
Model Years2021–2023
Date IssuedFebruary 27, 2023
Date Added to NHTSAApril 3, 2024
ComponentFUEL SYSTEM, GASOLINE
Vehicles Affected51 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

Installation and conversion instructions for the 718 Cayman GT4 RS

Affected Vehicles

MakeModelYearComponent
PORSCHE 911 GT3 2023 100000 POWER TRAIN
PORSCHE 911 GT3 2023 110000 ELECTRICAL SYSTEM
PORSCHE CAYMAN GT4 2023 350000 EQUIPMENT
PORSCHE 911 GT3 2022 100000 POWER TRAIN
PORSCHE 911 GT3 2022 110000 ELECTRICAL SYSTEM
PORSCHE CAYMAN GT4 2022 350000 EQUIPMENT
PORSCHE 718 BOXSTER 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 718 BOXSTER GTS 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 718 BOXSTER S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 718 CAYMAN 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 718 CAYMAN S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 718 SPYDER 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 CARRERA 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 CARRERA S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 GT3 2021 100000 POWER TRAIN
PORSCHE 911 GT3 2021 110000 ELECTRICAL SYSTEM
PORSCHE 911 GT3 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 TARGA 4 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE 911 TURBO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE BOXSTER 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE E-HYBRID 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE GT 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE GTS 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYENNE TURBO S E-HYBRID 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYMAN 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE CAYMAN GT4 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE MACAN 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE MACAN GTS 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE MACAN S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE MACAN TURBO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4 E-HYBRID 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4 EXECUTIVE 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4S E-HYBRID 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4S EXECUTIVE 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA 4S SPORT TURISMO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA GTS 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA TURBO S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA TURBO S E-HYBRID 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE PANAMERA TURBO S EXECUTIV 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN 4S 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN 4S CROSS TURISMO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN CROSS TURISMO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN TURBO 2021 070000 FUEL SYSTEM, GASOLINE
PORSCHE TAYCAN TURBO S 2021 070000 FUEL SYSTEM, GASOLINE

Related PORSCHE Recalls

CampaignModelYearComponentSummary
TAYCAN 2025 BACK OVER PREVENTION: SENSING SYSTEM:... Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cay...
TAYCAN 2024 BACK OVER PREVENTION: SENSING SYSTEM:... Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cay...
TAYCAN 2023 BACK OVER PREVENTION: SENSING SYSTEM:... Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cay...
TAYCAN 2022 BACK OVER PREVENTION: SENSING SYSTEM:... Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cay...
TAYCAN 2021 BACK OVER PREVENTION: SENSING SYSTEM:... Porsche Cars North America, Inc. (Porsche) is recalling certain 2019-2025 Cay...

What Should You Do?

If your vehicle is affected by this TSB, contact your authorized PORSCHE dealer. Bring this bulletin ID (No. 08-23) 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.

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.