Service bulletin No. 31-25
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 11021353 |
| Published by NHTSA | 2025-08-04 |
| Manufacturer's number | No. 31-25 |
| Manufacturer's date | 2025-07-07 |
| NHTSA component | SERVICE BRAKES |
NHTSA's summary
Technical information for a complaint Maneuvering Assistant: Implausible Standstill When Reversing
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Brakes
| PORSCHE 911 | 2021, 2022, 2023, 2024, 2025 |
|---|---|
| PORSCHE 911 4S | 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA | 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4 GTS | 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA 4S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA GTS | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA S | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 CARRERA T | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 DAKAR | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 | 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 RS | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 GT3 TOURING | 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4 | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4 | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA 4S | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TARGA GTS | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE 911 TURBO S | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE | 2021, 2022, 2023, 2024, 2025 |
| PORSCHE CAYENNE COUPE | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE E-HYBRID | 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE E-HYBRID COUPE | 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GT | 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GTS | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S COUPE | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO | 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO E-HYBRID | 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO GT | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO S E-HYBRID | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA | 2021, 2022, 2023, 2024 |
| PORSCHE PANAMERA | 2026 |
| PORSCHE PANAMERA 4 | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 E-HYBRID | 2021, 2022, 2023, 2024, 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 EXECUTIVE | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S E-HYBRID | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S EXECUTIVE | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S SPORT TURISMO | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA E-HYBRID | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS | 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S E-HYBRID | 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S EXECUTIV | 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN | 2020, 2021, 2022, 2023, 2024, 2025 |
| PORSCHE TAYCAN 4 CROSS TURISMO | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN 4S | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN 4S CROSS TURISMO | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN CROSS TURISMO | 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN GTS | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN GTS SPORT TURISMO | 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO CROSS TURISM | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO GT | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO S | 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE TAYCAN TURBO S CROSS TURI | 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2024353 | 2024-06-19. Brakes |
|---|---|
| 24V455000 | 2024-06-19. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS |
| 23V347000 | 2023-05-16. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES, HYDRAULIC |
| 21V697000 | 2021-09-08. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS; SERVICE BRAKES, HYDRAULIC:CRITICAL FASTENERS |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| No. 77-26-1 | 2026-10-02. Service bulletin. Technical Information for “Squealing” Brake Noises on the Front Brake During Braking. Note that this bulletin only applies to vehicles with carbon ceramic brakes (PCCB). |
|---|---|
| No. 77-26 | 2026-09-04. Service bulletin. Technical Information for "Squealing” Brake Noises on the Front Brake During Braking. Also includes model year 2027 Cayenne (9YA/9YB). |
| GR13D800 | 2026-08-05. Service bulletin. Parts Withdrawal - 1 Set of Brake Pads for Disk Brake |
| GR13D798 | 2026-08-05. Service bulletin. Parts Withdrawal - Brake Disc |
| No. 2210.3 | 2026-06-05. Service bulletin. Instructions on advanced technical information for 9YA – Electric Parking Brake Warning in the Instrument Cluster |
| No. 90-21 | 2026-04-07. Service bulletin. Symptom based workshop manual for a Brake Symptom – Brake Pedal Travel Perceived as “Too Far”: Observe Specified Procedure |
| No. 105-25-2 | 2026-02-06. Service bulletin. Technical information for Active Malfunction Indicator Light in Conjunction with Fault Memory Entries Regarding Brake Booster "U01B400" and "C114113" |
| No. 105-25-1 | 2026-02-05. Service bulletin. Technical information for Active Malfunction Indicator Light in Conjunction with Fault Memory Entries Regarding Brake Booster "U01B400" and "C114113" |
| No. D752 | 2026-02-05. Service bulletin. Parts information for parts withdrawal involving the caliper without brake pads. The part numbers affected are in the attached PDF. The vehicles associated are cars that use the part numbers in the PDF. |
| No. 211-23-1 | 2026-01-06. Service bulletin. Symptom based workshop manual for a Brake Symptom - Yellow Warning Message “PSM Failure” in the Instrument Cluster: Checking Hydraulic Unit and Re-Program PSM Control Unit |