# Service bulletin 122\-U8W5W\-12

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: 10125204
- Published by NHTSA: 2017\-12\-14
- Manufacturer's number: 122\-U8W5W\-12
- Manufacturer's date: 2017\-11\-20
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

Subject: Gateway control unit Information: Due to a software error, the sports exhaust system can remain activated after switching the ignition off and on again although it is shown as inactive in the Vehicle menu. Remedial action: Re\-code gateway control unit

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125204-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10125204-0001.pdf)

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

## Components

Electrical system, Engine, Exhaust and emissions, Software

## Vehicles listed

- 2017 PORSCHE PANAMERA

## Other bulletins for the same vehicles and component

- [No. 76\-20](/bulletins/10183491.md), 2020-12-02, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Service campaign information on Porsche Workshop campaign WLF0 \- Re\-Programming PDK Control Unit.
- [No. 50\-18](/bulletins/10179291.md), 2020-09-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Spare parts requirements for retrofitting the new Porsche PCM 4.1 system into the 2017 Panamera.
- [WLE8](/bulletins/10179281.md), 2020-09-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. Porsche intranet communication for Porsche Workshop Campaign WLE8 \- Re\-programming DME control unit.
- [WKH7](/bulletins/10179279.md), 2020-09-02, Service bulletin: ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM:SOFTWARE. Porsche intranet communication for Porsche Workshop Campaign WKH7 \- Reprogramming DME control unit.
- [No. 74\-20](/bulletins/10179219.md), 2020-09-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Service Campaign information for Porsche Workshop Campaign WLE8 \- Re\-programming DME control unit
- [No. 129\-20](/bulletins/10179217.md), 2020-09-02, Service bulletin: ENGINE; ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); ELECTRICAL SYSTEM:SOFTWARE. Service campaign information for Porsche Workshop Campaign WKH7 \- Re\-Programming DME Control Unit.
- [PIWIS2001v](/bulletins/10176881.md), 2020-07-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Information on new PIWIS tester update 39.500.020 and .025.
- [No. 41\-20](/bulletins/10176852.md), 2020-07-01, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:SOFTWARE. Instructions on how to perform a PVTS Software update in the event that a car will not start.
- [No. WLC9](/bulletins/10175938.md), 2020-06-02, Service bulletin: VISIBILITY; ELECTRICAL SYSTEM:SOFTWARE. Porsche intranet posting for WS Campaign WLC9.
- [No. 2005](/bulletins/10175919.md), 2020-06-02, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE. Information on new VCI cables available for purchase by dealers.

JSON: [/v1/bulletins/10125204](/v1/bulletins/10125204)

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