Service bulletin TT 37-12-02

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

Tech Tips (Transmission Diagnosis): When diagnosing a transmission concern on a Routan, information can be learned may be suggested as a first step on vehicles with no fault codes. It will also be requested to observe the before and after quick learn values of the CVI. What is being observed in regards to the before and after values on the CVI, is to see a change. The before values are going to be an adaptation value based off of the driver?s habits.

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

Transmission and driveline, Automatic transmission

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

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