# Service bulletin 122\-H4T8S\-03

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: 10172074
- Published by NHTSA: 2020\-03\-05
- Manufacturer's number: 122\-H4T8S\-03
- Manufacturer's date: 2020\-02\-07
- NHTSA component: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

## NHTSA's summary

Porsche intranet posting for Workshop campaign WKK2. WKK2 Workshop campaign \- Re\-programming Tire Pressure Monitoring \(TPM\) control unit

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172074-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172074-9999.pdf)

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

## Components

Tires, Tire pressure monitoring

## Vehicles listed

- 2018 to 2020 PORSCHE CAYENNE
- 2017 to 2020 PORSCHE PANAMERA

## Other bulletins for the same vehicles and component

- [ATIALL41604](/bulletins/10198524.md), 2021-06-28, Service bulletin: EQUIPMENT; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. 2003 to Present All with tire pressure monitoring system.
- [WMD2](/bulletins/10194856.md), 2021-06-03, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Porsche intranet posting with preliminary information for Porsche workshop campaign WMD2 Workshop Campaign \- Teach Tire Pressure Monitoring \(TPM\) system using the PIWIS Tester.
- [No 226\-20\-3](/bulletins/10186358.md), 2021-02-01, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Instructions for clearing a Tire pressure monitoring system error message in the instrument cluster.
- [122\-R3X2M\-03](/bulletins/10172067.md), 2020-03-05, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Repair manual for Workshop Campaign WKK2, which seeks to reprogram the TPMS control unit on affected Cayenne vehicles.
- [122\-P4L5H\-09](/bulletins/10148791.md), 2018-11-19, Service bulletin: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Equipment: Tire Pressure Monitoring \(TPM\) 433 MHz \(I\-no. 7K3\) Subject: Control unit for Tire Pressure Monitoring \(TPM\)

JSON: [/v1/bulletins/10172074](/v1/bulletins/10172074)

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