Service bulletin No. 11-25-4

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 4, 2026
Manufacturer: PORSCHE
NHTSA ID: 11037046
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: PORSCHE 911 2020-2026; PORSCHE 911 4S 2022; PORSCHE 911 CARRERA 2020-2026; PORSCHE 911 CARRERA 4 2023; PORSCHE 911 CARRERA 4 GTS 2022-2023; PORSCHE 911 CARRERA 4S 2023; PORSCHE 911 CARRERA GTS 2022-2024; PORSCHE 911 CARRERA S 2020-2021, 2023; PORSCHE 911 CARRERA T 2023-2024; PORSCHE 911 DAKAR 2023-2024; PORSCHE 911 GT3 2021-2026; PORSCHE 911 GT3 RS 2023-2024; PORSCHE 911 GT3 TOURING 2022-2023; PORSCHE 911 TARGA 4 2020-2021, 2023; and 43 more models
Component, as stated by NHTSA: BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS; LANE DEPARTURE: ASSIST

Text of the manufacturer communication

Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit

Manufacturer document number: No. 11-25-4
Date of the communication: 2026-08-25

View original source on NHTSA.gov

Documents filed with NHTSA (PDF)

Bulletin

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 4, 2026.

For the 2022 Porsche 911

Carrera S (992)

Worth knowing

Relevance of 50% and attention of 61% are one half or more. Interrupt probability of 40% is under one half.

Vehicle relevance: 50%
Attention: 61%
Interrupt probability: 40%

Importance to this owner: 1.6 of 4, worth knowing
Vehicle area the notice is about: Safety

This manufacturer communication appears relevant to this vehicle configuration. It is worth knowing and does not call for an interruption.

Decided by jev-1.13.0 in 168 ms from 2,904 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make

YesNHTSA names this model (listed as 911)

YesNHTSA lists model year 2022 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
50%	61%	40%	Worth knowing
2%	8%	9%	Ignored
2%	8%	10%	Ignored
2%	8%	10%	Ignored
2%	5%	6%	Ignored
2%	6%	7%	Ignored
2%	5%	8%	Ignored
2%	6%	6%	Ignored
2%	5%	6%	Ignored
2%	9%	11%	Ignored
2%	5%	7%	Ignored
1%	5%	7%	Ignored
1%	5%	8%	Ignored
1%	5%	6%	Ignored
1%	4%	5%	Ignored
1%	4%	5%	Ignored

Select a vehicle to see its attention and interrupt figures above.