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Service bulletin UPDATE23L3

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10240646
Published by NHTSA2023-08-14
Manufacturer's numberUPDATE23L3
Manufacturer's date2012-11-20
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

NHTSA's summary

TDI ECM / EDC 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

Vehicles listed
VOLKSWAGEN PASSAT2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

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UPDATE23L32024-04-01. Service bulletin. TDI ECM/EDC Software
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TB23L32023-09-05. Service bulletin. TDI ECM/EDC Software (FED_EMS)
TB0114012023-08-28. Service bulletin. Update Programming for Engine Control Module and Transmission Control Module, for Shudder and/or Slight Hesitation Concerns
TB0113352023-08-28. Service bulletin. Update Programming for Engine Control Module and Transmission Control Module, for Shudder and/or Slight Hesitation Concerns
TB0113172023-08-28. Service bulletin. Update Programming, MIL ON, DTC P0106 Manifold Absolute Pressure Range /ECM Fault Memory Performance Stored
TB0113162023-08-28. Service bulletin. Update Programming of ECM for Concerns of a Bump Sensation after Coming to a Stop
Action23N52023-08-14. Service bulletin. ECM Software
Guide2023-08-14. Service bulletin. P0102, P1128, P1296 - WA front oxygen sensor faults