WenmarOpen by Wenmar Pro

Service bulletin 1206-14

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 id10057328
Published by NHTSA2015-05-15
Manufacturer's number1206-14
Manufacturer's date2014-12-01
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM

NHTSA's summary

DETROIT DEMAND PERFORMANCE: INFORMATION REGARDING THE EXHAUST GAS VALVE ACTUATOR , GHG 14DD15. *LJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Exhaust and emissions

Vehicles listed
DETROIT DETROIT

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