WenmarOpen by Wenmar Pro

Service bulletin 20

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 id10007491
Published by NHTSA2004-06-28
Manufacturer's number20
Manufacturer's date2004-05-26
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION

NHTSA's summary

AISIN ATM SPEEDOMETER DRIVEN GEAR CHANGE. *MJ

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

Transmission and driveline, Automatic transmission

Vehicles listed
UD UD12002004
UD UD14002004
UD UD1800CS2004

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