Service bulletin No. 174-23
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 | 11028571 |
| Published by NHTSA | 2026-02-06 |
| Manufacturer's number | No. 174-23 |
| Manufacturer's date | 2026-01-28 |
| NHTSA component | ELECTRICAL SYSTEM |
NHTSA's summary
Technical information for Little or No Cooling Power from the Air-Conditioning System: Checking Refrigerant Lines on Air-Conditioning Compressor
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
Electrical system
| PORSCHE CAYENNE | 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 |
|---|---|
| PORSCHE CAYENNE COUPE | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE E-HYBRID | 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE E-HYBRID COUPE | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GT | 2020, 2021, 2022 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GTS | 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE GTS COUPE | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S COUPE | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE S E-HYBRID | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO | 2019, 2020 (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 COUPE | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO E-HYBRID | 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO E-HYBRID COUPE | 2024, 2025, 2026 (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 GT COUPE | 2025 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO S E-HYBRID | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE CAYENNE TURBO S HYB COUPE | 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA | 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 |
| PORSCHE PANAMERA 4 | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 E-HYBRID | 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 EXECUTIVE | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4 SPORT TURISMO | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S E-HYBRID | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S E-HYBRID | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S EXECUTIVE | 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA 4S SPORT TURISMO | 2019, 2020, 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 | 2019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS | 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA GTS SPORT TURISM | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO | 2019, 2020 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO E-HYBRID | 2025, 2026 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO EXECUTIVE | 2019, 2020 (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 | 2019, 2020, 2021, 2022, 2023 (the catalog's model; the bulletin names a series or trim of it) |
| PORSCHE PANAMERA TURBO S E-HYBRID | 2025, 2026 (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 PANAMERA TURBO SPORT TURI | 2019, 2020 (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.
| 23V841000 | 2023-12-13. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD |
|---|---|
| 23V033000 | 2023-01-27. ELECTRICAL SYSTEM |
| 19V735000 | 2019-10-16. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
| 19V115000 | 2019-02-20. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| WTK4 | 2026-10-02. Service campaign. Porsche intranet posting with Campaign WTK4 information |
|---|---|
| No. WTK4 | 2026-10-02. Service campaign. Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery |
| No. 103-25-2 | 2026-10-02. Service bulletin. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach |
| No. 103-25-2 | 2026-10-02. Service bulletin. Technical Information for Need to Replace Components of the High-Voltage Battery - High-Voltage Battery Control Unit / Cell module; No Mixed Installation Permitted: Observe Specified Approach |
| No. 86-26 | 2026-10-02. Service bulletin. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM) |
| No. 84-26 | 2026-10-02. Service bulletin. Technical Information for Filler Flap on Vehicles with Hybrid Drive System (PHEV) Does Not Close |
| No. 81-26 | 2026-10-02. Service bulletin. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit |
| No. 12-26 | 2026-10-02. Service bulletin. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment |
| No. 43-26 | 2026-10-02. Warranty extension. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues |
| No. 73-26 | 2026-09-04. Service bulletin. Symptom-based workshop manual for Vibrating Steering Wheel and Red Warning Message “Electrical System Fault” - Observe Specified Procedure. Note that this bulletin is only applicable to all Macan Electric and Cayenne Electric models. The combustion and hybrid Cayenne and Macan variants are not applicable to this bulletin. |