# Service bulletin 122\-K5H3S\-10

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: 10122079
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: 122\-K5H3S\-10
- Manufacturer's date: 2016\-09\-01
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION

## NHTSA's summary

During diagnostic monitoring of the hydraulic control valves of the PDK transmission, a fault memory entry is stored in the PDK control unit if an implausible shift rod movement is detected. The PDK control unit therefore initiates a flushing measure in order to flush particles of dirt determined as the cause of the fault out of the hydraulic control valves. As soon as the fault memory entry was activated in two consecutive driving cycles, there was a possibility with the previous diagnostic configuration that the message "Engine control fault ? visit workshop ? Driving permitted" would be displayed in the instrument cluster although the flushing measure had already been carried out successfully and a fault was no longer present. To prevent this from happening, the diagnostic function for monitoring the hydraulic control valves will be adapted accordingly.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10122079-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10122079-0001.pdf)

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

## Components

Transmission and driveline, Automatic transmission

## Vehicles listed

- PORSCHE PORSCHE

JSON: [/v1/bulletins/10122079](/v1/bulletins/10122079)

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