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Service bulletin WMM7

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10217861
Published by NHTSA2022-08-16
Manufacturer's numberWMM7
Manufacturer's date2021-11-23
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Porsche intranet posting with information on Workshop Campaign WMM7 - replacing VTS control unit

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

Vehicles listed
PORSCHE 718 BOXSTER2016
PORSCHE 718 CAYMAN2016
PORSCHE 9112014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
PORSCHE 9182015
PORSCHE BOXSTER2014, 2015
PORSCHE CAYENNE2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
PORSCHE CAYMAN2014, 2015
PORSCHE CAYMAN2020
PORSCHE MACAN2014
PORSCHE MACAN2015, 2016, 2017, 2018, 2019, 2020, 2021
PORSCHE PANAMERA2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
PORSCHE redundant BOXSTER2017
PORSCHE redundant BOXSTER2020 to 2021
PORSCHE redundant CAYMAN2021

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
23V8410002023-12-13. ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:CABLE/CORD:ONBOARD
23V0330002023-01-27. ELECTRICAL SYSTEM
19V7350002019-10-16. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20192002019-04-25. Electrical
19V3220002019-04-24. ELECTRICAL SYSTEM
20191152019-03-06. Electrical
19V1800002019-03-06. ELECTRICAL SYSTEM
19V1150002019-02-20. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
18V3180002018-05-16. ELECTRICAL SYSTEM
20152172015-05-21. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
WTK42026-10-02. Service campaign. Porsche intranet posting with Campaign WTK4 information
No. WTK42026-10-02. Service campaign. Technical Information for Campaign WTK4 – Reset Vehicle Electrical System Battery
No. 103-25-22026-10-02. 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. 103-25-22026-10-02. 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. 86-262026-10-02. Service bulletin. Technical Information for Vehicle Color in Front Display/Control Panel Wrong after Replacing Central Computer (PCM)
No. 84-262026-10-02. Service bulletin. Technical Information for Filler Flap on Vehicles with Hybrid Drive System (PHEV) Does Not Close
No. 81-262026-10-02. Service bulletin. Technical Information for Yellow Warning Message “All-Wheel Drive System Malfunction”, “C12BEF6” and “C133700” in the All-Wheel Electronics Control Unit
No. 12-262026-10-02. Service bulletin. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
No. 43-262026-10-02. Warranty extension. Technical Information for Warranty Extension for Front Door Wiring Harness related to Real Top View (RTV) issues
No. 2433-42026-09-04. Service bulletin. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure