Service bulletin Dealer 23EM
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 | 10228694 |
| Published by NHTSA | 2023-01-06 |
| Manufacturer's number | Dealer 23EM |
| Manufacturer's date | 2022-12-19 |
| NHTSA component | ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM) |
NHTSA's summary
SERV_ACT - Engine Control Module (ECM) Software
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
Engine, Engine control module
| VOLKSWAGEN ID.4 | 2021 |
|---|---|
| VOLKSWAGEN TOUAREG | 2009, 2010, 2011, 2012 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| VOS-24-33 | 2024-04-04. Service bulletin. This communication is a notice for software changes with the ODIS program to correct the ECM Coding/Software configuration test plan that is failing. |
|---|---|
| V0124012037307_1 | 2024-04-04. Service bulletin. During vehicle inspection, maintenance, or repair, one or more diagnostic trouble codes (DTCs) are found to be logged in various control units (static or sporadic). |
| UPDATE23i1 | 2024-04-01. Service bulletin. TDI ECM Software Update (FED_EMS) |
| DC_OUF7_ID.4_2 | 2024-02-06. Service bulletin. This software update provides minor bug fixes and enhances the performance of the electronic control module that manages the over-the-air installation process. This update is a prerequisite for future updates. |
| Dealer 23EP | 2023-11-06. Service bulletin. Vehicles included in this action have been identified as having received the Diesel Approved Emissions Modification (AEM). Volkswagen dealers will inspect the software level on the vehicle's Engine Control Module (ECM) to ensure that the AEM software level is current. If a software discrepancy is found, the ECM software will be updated free of charge. Please note that the ECM software check will automatically result in a check of the Transmission Control Module (TCM) software level, which would also be updated to the AEM level, if a software discrepancy is found. Only in the event that current software is not found on a vehicle, there could be an impact on vehicle tailpipe emissions. |
| Circular 23EP | 2023-11-06. Service bulletin. Vehicles included in this action have been identified as having received the Diesel Approved Emissions Modification (AEM). Volkswagen dealers will inspect the software level on the vehicle's Engine Control Module (ECM) to ensure that the AEM software level is current. If a software discrepancy is found, the ECM software will be updated free of charge. Please note that the ECM software check will automatically result in a check of the Transmission Control Module (TCM) software level, which would also be updated to the AEM level, if a software discrepancy is found. Only in the event that current software is not found on a vehicle, there could be an impact on vehicle tailpipe emissions. |
| Edition54 | 2023-09-18. Service bulletin. VW Elsa Newsletter |
| Edition109 | 2023-09-18. Service bulletin. VW Elsa Newsletter |
| TB23i1 | 2023-09-05. Service bulletin. TDI ECM Software Update (FED_EMS) |
| TB011420 | 2023-08-28. Service bulletin. Update Programming, MIL ON, DTCs P0420, P0430 Stored in ECM Fault Memory |