# Service bulletin No. 11\-25\-4 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: 11037046 - Published by NHTSA: 2026\-09\-04 - Manufacturer's number: No. 11\-25\-4 - Manufacturer's date: 2026\-08\-25 - NHTSA component: FORWARD COLLISION AVOIDANCE: WARNINGS; LANE DEPARTURE: ASSIST; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING ## NHTSA's summary Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit ## The document - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037046-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11037046-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Driver assistance, Adaptive cruise control, Backup camera, Lane departure and lane keeping ## Vehicles listed - 2020 to 2026 PORSCHE 911 - 2022 PORSCHE 911 4S - 2020 to 2026 PORSCHE 911 CARRERA - 2023 PORSCHE 911 CARRERA 4 - 2022 to 2023 PORSCHE 911 CARRERA 4 GTS - 2023 PORSCHE 911 CARRERA 4S - 2022 to 2024 PORSCHE 911 CARRERA GTS - 2020 to 2021 PORSCHE 911 CARRERA S - 2023 PORSCHE 911 CARRERA S - 2023 to 2024 PORSCHE 911 CARRERA T - 2023 to 2024 PORSCHE 911 DAKAR - 2021 to 2026 PORSCHE 911 GT3 - 2023 to 2024 PORSCHE 911 GT3 RS - 2022 to 2023 PORSCHE 911 GT3 TOURING - 2020 to 2021 PORSCHE 911 TARGA 4 - 2023 PORSCHE 911 TARGA 4 - 2023 PORSCHE 911 TARGA 4S - 2023 PORSCHE 911 TARGA GTS - 2020 to 2024 PORSCHE 911 TURBO - 2021 to 2024 PORSCHE 911 TURBO S - 2019 to 2026 PORSCHE CAYENNE - 2024 to 2026 PORSCHE CAYENNE COUPE - 2019 to 2026 PORSCHE CAYENNE E\-HYBRID - 2024 to 2026 PORSCHE CAYENNE E\-HYBRID COUPE - 2020 to 2022 PORSCHE CAYENNE GT - 2021 to 2026 PORSCHE CAYENNE GTS - 2024 to 2026 PORSCHE CAYENNE GTS COUPE - 2019 to 2024 PORSCHE CAYENNE S - 2024 to 2026 PORSCHE CAYENNE S COUPE - 2020 PORSCHE CAYENNE S E\-HYBRID - 2019 to 2020 PORSCHE CAYENNE TURBO - 2023 PORSCHE CAYENNE TURBO - 2020 PORSCHE CAYENNE TURBO COUPE - 2024 to 2026 PORSCHE CAYENNE TURBO E\-HYBRID - 2024 to 2026 PORSCHE CAYENNE TURBO E\-HYBRID COUPE - 2022 to 2024 PORSCHE CAYENNE TURBO GT - 2025 PORSCHE CAYENNE TURBO GT COUPE - 2019 to 2023 PORSCHE CAYENNE TURBO S E\-HYBRID - 2020 PORSCHE CAYENNE TURBO S HYB COUPE - 2024 to 2025 PORSCHE PANAMERA - 2024 PORSCHE PANAMERA 4 - 2024 to 2025 PORSCHE PANAMERA 4 E\-HYBRID - 2025 PORSCHE PANAMERA 4S E\-HYBRID - 2024 PORSCHE PANAMERA E\-HYBRID - 2025 PORSCHE PANAMERA GTS - 2025 PORSCHE PANAMERA TURBO E\-HYBRID - 2025 PORSCHE PANAMERA TURBO S E\-HYBRID - 2020 to 2026 PORSCHE TAYCAN - 2026 PORSCHE TAYCAN 4 - 2021 to 2026 PORSCHE TAYCAN 4 CROSS TURISMO - 2020 to 2026 PORSCHE TAYCAN 4S - 2021 to 2026 PORSCHE TAYCAN 4S CROSS TURISMO - 2020 to 2023 PORSCHE TAYCAN CROSS TURISMO - 2022 to 2024 PORSCHE TAYCAN GTS - 2022 to 2026 PORSCHE TAYCAN GTS SPORT TURISMO - 2020 to 2026 PORSCHE TAYCAN TURBO - 2021 to 2026 PORSCHE TAYCAN TURBO CROSS TURISM - 2025 to 2026 PORSCHE TAYCAN TURBO GT - 2020 to 2026 PORSCHE TAYCAN TURBO S - 2021 to 2026 PORSCHE TAYCAN TURBO S CROSS TURI ## Recalls for the same vehicles and component - [25V896000](/recalls/nhtsa/25V896000.md), 2025-12-19: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA - [24V730000](/recalls/nhtsa/24V730000.md), 2024-10-01: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA - [22V404000](/recalls/nhtsa/22V404000.md), 2022-06-08: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\) - [19V111000](/recalls/nhtsa/19V111000.md), 2019-02-21: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA; VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR ## Other bulletins for the same vehicles and component - [No. 2606\-1](/bulletins/11037063.md), 2026-09-04, Service bulletin: FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS; ENGINE; VEHICLE SPEED CONTROL. Information on Advanced Technical Information for E3II V8 Cayenne – Various Assistance System Warning Messages in the Instrument Cluster due to Implausible Drivetrain Coordinator Status - [No. 2606](/bulletins/11037062.md), 2026-09-04, Service bulletin: FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ENGINE; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; VEHICLE SPEED CONTROL. Information on Advanced Technical Information for E3II V8 Cayenne – Various Assistance System Warning Messages in the Instrument Cluster due to Implausible Drivetrain Coordinator Status - [No. 75\-25](/bulletins/11037045.md), 2026-09-04, Service bulletin: LANE DEPARTURE: ASSIST; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; FORWARD COLLISION AVOIDANCE: WARNINGS; FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Technical Information for Various White Messages Regarding Driver Assistance Systems/Fault Memory Entry "C12D5FA" in the ZFAS Control Unit - [ASB2](/bulletins/11035744.md), 2026-08-05, Service campaign: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Re\-Programming Assistance System Control Unit \(Stop Delivery/Recall Campaign\) - [2121.4](/bulletins/11035741.md), 2026-08-05, Service bulletin: VEHICLE SPEED CONTROL; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. ACC Dynamic Calibration Fault C110300 - [03/26 9102](/bulletins/11034790.md), 2026-07-07, Service bulletin: BACK OVER PREVENTION: WARNINGS; ELECTRICAL SYSTEM. Complaint Regarding the Camera View \(Real Top View\) in the PCM Central Display \(03/26\) - [03/26 9102](/bulletins/11034789.md), 2026-07-07, Service bulletin: BACK OVER PREVENTION: WARNINGS; ELECTRICAL SYSTEM. Complaint Regarding the Camera View \(Real Top View\) in the PCM Central Display \(03/26\) - [03/26 9102](/bulletins/11034788.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Complaint Regarding the Camera View \(Real Top View\) in the PCM Central Display \(03/26\) - [03/26 9102](/bulletins/11034786.md), 2026-07-07, Service bulletin: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS. Complaint Regarding the Camera View \(Real Top View\) in the PCM Central Display \(03/26\) - [03/26 9102](/bulletins/11034597.md), 2026-07-07, Service bulletin: BACK OVER PREVENTION: WARNINGS; ELECTRICAL SYSTEM. Complaint Regarding the Camera View \(Real Top View\) in the PCM Central Display \(03/26\) JSON: [/v1/bulletins/11037046](/v1/bulletins/11037046) [Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20No.%2011-25-4&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11037046&vehicle=Service%20bulletin%20No.%2011-25-4)