Service bulletin TJ 31210
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.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10075243 |
| Published by NHTSA | 2016-06-22 |
| Manufacturer's number | TJ 31210 |
| Manufacturer's date | 2016-03-11 |
| NHTSA component | POWER TRAIN |
NHTSA's summary
Rough 2-1 downshifts, TF80SC Automatic transmission/Shifts rough or jerky/When downshifting The downshift threshold for 2-1 gearshift has been set to 1 MPH compared to 4 MPH in the previous version. This change was implemented as part of several shift performance upgrades to solve rough shifts during the 5-4 downshift, N-D garage shift and Neutral Control.
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
| VOLVO VOLVO |
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Listing a model year does not mean every vehicle of it is concerned: the document says which.