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Service bulletin 122-A4N2Y-07

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 id10143508
Published by NHTSA2018-08-06
Manufacturer's number122-A4N2Y-07
Manufacturer's date2018-06-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Subject: Control unit for Porsche Active Suspension Management (PASM) Information: Due to a software error, there is a possibility that communication between the PASM control unit and other control units will sometimes be aborted when the ignition is switched on in the affected vehicles.

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 PANAMERA2017, 2018

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

Recalls for the same vehicles and component
23V0330002023-01-27. ELECTRICAL SYSTEM
19V7350002019-10-16. SERVICE BRAKES; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
20191152019-03-06. Electrical
19V1800002019-03-06. ELECTRICAL SYSTEM
19V1150002019-02-20. 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.

Other bulletins for the same vehicles and component
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. 12-262026-10-02. Service bulletin. Technical Information for Damage to Nano Plug Contacts Due to Utilization of Incorrect Measuring Equipment
No. 2433-42026-09-04. Service bulletin. Information on Advanced Technical Information for Porsche Mobile Charger NEMA Supply Cable Initialization Failure
No. 58-262026-09-04. Service bulletin. Symptom-based workshop manual for Reversing Camera Spray Nozzle Not Working - Dirty/Clogged/Air in the System
GR13D7972026-08-05. Service bulletin. Parts Withdrawal - Steering Column Switch
GR13D7942026-08-05. Service bulletin. Parts Withdrawal - Various Parts
GR13D7902026-07-08. Other. Parts Withdrawal - Various Parts
WTA82026-06-05. Service campaign. Porsche intranet posting with information on WTA8 Workshop Campaign - Replace High- Voltage Battery Control Unit
No. TLLI26022026-06-05. Service bulletin. Tech live look information bulletin for How to use Frontline.io on the HoloLens 2
No. TLLI26012026-06-05. Service bulletin. Tech live look information bulletin for how to use fronline.io on mobile devices and tablets.