# Service bulletin No. 255\-22

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: 10232412
- Published by NHTSA: 2023\-03\-04
- Manufacturer's number: No. 255\-22
- Manufacturer's date: 2023\-02\-14
- NHTSA component: EQUIPMENT:ELECTRICAL; BACK OVER PREVENTION:SOFTWARE

## NHTSA's summary

Technical information WNW4 \- recoding DME control unit

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232412-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232412-9999.pdf)

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

## Components

Driver assistance, Equipment and accessories, Backup camera

## Vehicles listed

- 2022 PORSCHE 911
- 2022 PORSCHE CAYENNE E\-HYBRID
- 2022 PORSCHE MACAN

## Recalls for the same vehicles and component

- [25V896000](/recalls/nhtsa/25V896000.md), 2025-12-19: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [No. 11\-25\-4](/bulletins/11037046.md), 2026-09-04, Service bulletin: 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. Technical Information for White Messages Regarding Driver Assistance Systems in Conjunction with Passive Fault Memory Entries in the ZFAS Control Unit
- [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 \(Stop Delivery/Recall Campaign\)
- [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/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 \(03/26\)
- [PIWIS2301ar](/bulletins/10240397.md), 2023-08-03, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester updates 42.000.050 \& .051
- [PIWIS2301aq](/bulletins/10240389.md), 2023-08-03, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Information for PIWIS tester update 42.000.048

JSON: [/v1/bulletins/10232412](/v1/bulletins/10232412)

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