# Service bulletin WMF4

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: 10199885
- Published by NHTSA: 2021\-08\-04
- Manufacturer's number: WMF4
- Manufacturer's date: 2021\-07\-01
- NHTSA component: EQUIPMENT; STRUCTURE:INTERIOR PANELS:SUN VISOR; ELECTRICAL SYSTEM

## NHTSA's summary

Porsche intranet posting with preliminary information on Porsche Workshop Campaign WMF4 Stop delivery \- Retrofitting sun sensor.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199885-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10199885-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system, Equipment and accessories

## Vehicles listed

- 2020 to 2021 PORSCHE CAYENNE
- 2020 to 2021 PORSCHE PANAMERA
- 2020 to 2021 PORSCHE TAYCAN

## Recalls for the same vehicles and component

- [24V732000](/recalls/nhtsa/24V732000.md), 2024-10-01: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:SOFTWARE
- [24V731000](/recalls/nhtsa/24V731000.md), 2024-10-01: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; ELECTRICAL SYSTEM:SOFTWARE
- [24V217000](/recalls/nhtsa/24V217000.md), 2024-03-20: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [24V215000](/recalls/nhtsa/24V215000.md), 2024-03-20: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [2023662](/recalls/tc/2023662.md), 2023-12-13: Accessories
- [23V841000](/recalls/nhtsa/23V841000.md), 2023-12-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD
- [23V840000](/recalls/nhtsa/23V840000.md), 2023-12-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [23V347000](/recalls/nhtsa/23V347000.md), 2023-05-16: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES, HYDRAULIC
- [23V313000](/recalls/nhtsa/23V313000.md), 2023-05-03: STRUCTURE:BODY
- [23V176000](/recalls/nhtsa/23V176000.md), 2023-03-17: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

## Other bulletins for the same vehicles and component

- [GR13D804](/bulletins/11037872.md), 2026-10-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM; VISIBILITY/WIPER; FUEL/PROPULSION SYSTEM. Parts Information for Parts Withdrawal \- High\-Voltage Heating \(PTC\)
- [WTL2](/bulletins/11037863.md), 2026-10-02, Service campaign: FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; ELECTRICAL SYSTEM; STRUCTURE:BODY; POWER TRAIN. Porsche intranet posting for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [No. WTL2](/bulletins/11037862.md), 2026-10-02, Service campaign: ELECTRICAL SYSTEM; STRUCTURE:BODY; FUEL/PROPULSION SYSTEM; VISIBILITY/WIPER; POWER TRAIN. Technical Information for Campaign WTL2 – Replacing Electric Passenger Compartment Heater
- [WTK4](/bulletins/11037860.md), 2026-10-02, Service campaign: ELECTRICAL SYSTEM. Porsche intranet posting with Campaign WTK4 information
- [No. WTK4](/bulletins/11037858.md), 2026-10-02, Service campaign: ELECTRICAL SYSTEM. Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery
- [No. 61\-26\-1](/bulletins/11037857.md), 2026-10-02, Service bulletin: STRUCTURE:BODY; SEAT BELTS. Symptom\-based workshop manual for Noises in B\-Pillar Area \- Correct Felting of B\-Pillar Trim Panel
- [No. 96\-26](/bulletins/11037849.md), 2026-10-02, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY. Symptom\-based workshop manual for Noises from Front Wiper Blade
- [No. 198\-23\-1](/bulletins/11037840.md), 2026-10-02, Service bulletin: VISIBILITY/WIPER; STRUCTURE:BODY. Technical Information for Cracking on Roof Module: Procedure for Damage Documentation
- [No. 103\-25\-2](/bulletins/11037838.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN. 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](/bulletins/11037837.md), 2026-10-02, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. 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

JSON: [/v1/bulletins/10199885](/v1/bulletins/10199885)

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