Service bulletin 122-E9N4X-01
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 | 10127491 |
| Published by NHTSA | 2018-01-29 |
| Manufacturer's number | 122-E9N4X-01 |
| Manufacturer's date | 2017-12-12 |
| NHTSA component | ELECTRICAL SYSTEM:SOFTWARE |
NHTSA's summary
Optimized software for Porsche Communication Management (PCM) 4.0 has been used in standard production in order to further improve the general performance of the system. These optimizations must be implemented retrospectively even for vehicles manufactured before the date of introduction. Action Required: ? Update PCM software using an SD card ? Re-code the PCM using PIWIS Tester test software version 34.800.030 (or higher
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Software
| PORSCHE 718 BOXSTER | 2017 |
|---|---|
| PORSCHE 911 | 2017 |
| PORSCHE CAYENNE | 2017 |
| PORSCHE MACAN | 2017 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| PIWIS2401j | 2024-03-04. Service bulletin. Information for PIWIS tester update 42.500.020 |
|---|---|
| PIWIS2301ay | 2023-09-09. Service bulletin. Information on PIWIS tester update 42.100.060 & .065 |
| PIWIS2001v | 2020-07-02. Service bulletin. Information on new PIWIS tester update 39.500.020 and .025. |
| No. 41-20 | 2020-07-01. Service bulletin. Instructions on how to perform a PVTS Software update in the event that a car will not start. |
| No. 2005 | 2020-06-02. Service bulletin. Information on new VCI cables available for purchase by dealers. |
| 122-X9C4Z-03 | 2020-03-05. Service bulletin. Instructions for correcting a check engine light with fault P138800 on Macan models. Remedy is to reprogram the engine electronics with software 38.600.020 or higher. |
| 122-Z9T3E-12 | 2017-12-14. Service bulletin. Remedial action In the event of a customer complaint, re-program and code Lane Change Assist control units using 9900 - PIWIS Tester III. |
| 122-H9J9F-10 | 2017-11-08. Service bulletin. PCNA is aware of this this issue. Please use this workaround until a permanent countermeasure can be applied: Use the instructions in WM 915255 Replacing Central Computer to properly encode the central computer to enable the Connect services activation. |
| 122-G9R4C-11 | 2017-10-15. Service bulletin. In the course of annual model improvements, various functionalities of the Porsche Communication Management (PCM) system have been enhanced, optimisations have been implemented and the general performance of the system has been further improved at the same time. These function enhancements and optimisations must be implemented retrospectively even for vehicles manufactured before the model improvement measures were introduced. To this end, the PCM software will be updated on the affected vehicles using an SD card. Due to the changes to the PCM, the instrument cluster must also be re-programmed using the PIWIS Tester in order to ensure consistency between the displays in PCM and the instrument cluster. |
| 122-Y2D8V-11 | 2017-10-15. Service bulletin. In the course of annual model improvements, various functionalities of the Porsche Communication Management (PCM) system have been enhanced, optimisations have been implemented and the general performance of the system has been further improved at the same time. These function enhancements and optimisations must be implemented retrospectively even for vehicles manufactured before the model improvement measures were introduced. To this end, the PCM software will be updated on the affected vehicles using an SD card. Due to the changes to the PCM, the instrument cluster must also be re-programmed using the PIWIS Tester in order to ensure consistency between the displays in PCM and the instrument cluster. |