Service bulletin Dealer Letter-Da

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.

NHTSA's summary

VOLKSWAGEN DEALERSHIP COMMUNICATION (Upcoming Emissions Service Action 28G8 ? USA Only Glow Plug Control Module): This document informs if the engine is started during the initial glow plug glow phase, the engine control module (ECM) may receive an incorrect reading from the glow plug control module which may cause the vehicle?s Malfunction Indicator Light (MIL) to come on. If this happens, the vehicle may not pass an IM (emissions) inspection. The corrective action taken for this issue was to Inspect and, if necessary, replace the glow plug control module. The document contains a list of frequently asked questions for dealers.

The document

• NHTSA's copy of the document (PDF)
• If that address does not open, try this one

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

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

• Bulletins for another vehicle
• Report an error on this page
• Report an error by email