# Service bulletin ITB12\-023

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: 10043949
- Published by NHTSA: 2012\-05\-03
- Manufacturer's number: ITB12\-023
- Manufacturer's date: 2012\-05\-02
- Replaces: ITB12\-023
- NHTSA component: POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\)

## NHTSA's summary

INFINITI: SHIFT RESPONSIVENESS ISSUES. REPROGRAM TCM FIRST, THEN USING NEW TCM PART NUMBER SELECT MATCHING ECM REPROGRAM. SEE PROCEDURE. \*JS UPDATED 5/8/12. \*JS

## 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, Transmission control module

## Vehicles listed

- 2011 INFINITI G25

## Other bulletins for the same vehicles and component

- [ITB\-10\-075](/bulletins/10036745.md), 2011-04-12, Service bulletin: POWER TRAIN:AUTOMATIC TRANSMISSION. INFINITI: TRANSMISSION SHIFT ISSUES AND/OR A/T DTC STORED. A SLIGHT VEHICLE VIBRATION/SHUTTER WITH LIGHT ACCELERATION AT LOW SPEEDS; AT TIMES ENGINE RPM GOES UP \(ABOUT 200\-250 RPM\) DURING THE 3RD\>4TH UP SHIFT, OR THE 4TH\>5TH UP SHIFT; ENGINE BRAKING FEEL IS MORE THAN EXPECTED WITH DECELERATION; THE 2ND\>1ST DOWN SHIFT IS HARSHER THAN EXPECTED. \*PE UPDATED ON 6/15/2011. \*KB

JSON: [/v1/bulletins/10043949](/v1/bulletins/10043949)

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