# Service bulletin TIB\-26\-022

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: 10046161
- Published by NHTSA: 2012\-09\-29
- Manufacturer's number: TIB\-26\-022
- Manufacturer's date: 2012\-08\-24
- NHTSA component: ELECTRICAL SYSTEM:SOFTWARE; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

KENWORTH: SOME TRUCKS HAVE MISMATCH OF ENGINE CALIBRATION SOFTWARE AND ALLISON HARDWARE RESULTING IN HYDRAULIC PRESSURE BEING IMPROPER FOR SHIFT CONTROL. MODELS 2010 T270S AND T370S. \*PE

## 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

Electrical system, Engine, Transmission and driveline, Automatic transmission, Software, Transmission control module

## Vehicles listed

- 2010 KENWORTH T270
- 2010 KENWORTH T370

JSON: [/v1/bulletins/10046161](/v1/bulletins/10046161)

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