# 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

## Vehicles listed

- VOLVO VOLVO

JSON: [/v1/bulletins/10075243](/v1/bulletins/10075243)

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