# Service bulletin P4203

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: 10192301
- Published by NHTSA: 2021\-05\-10
- Manufacturer's number: P4203
- Manufacturer's date: 2014\-01\-24
- NHTSA component: STEERING; STEERING:AUTOMATED/ADAPTIVE STEERING

## NHTSA's summary

Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 Q50 and Q50 Hybrid vehicles to replace 3 control units, reprogram, and calibrate the Direct Adaptive Steering \(DAST\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10192301-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10192301-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Steering

## Vehicles listed

- 2014 INFINITI Q50

## Recalls for the same vehicles and component

- [16V430000](/recalls/nhtsa/16V430000.md), 2016-06-13: STEERING:AUTOMATED/ADAPTIVE STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM
- [2016296](/recalls/tc/2016296.md), 2016-06-10: Steering
- [13V588000](/recalls/nhtsa/13V588000.md), 2013-11-20: STEERING:AUTOMATED/ADAPTIVE STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM
- [2013410](/recalls/tc/2013410.md), 2013-11-19: Steering

## Other bulletins for the same vehicles and component

- [P5326OL](/bulletins/10192701.md), 2021-05-10, Service bulletin: ELECTRICAL SYSTEM; STEERING. Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 \- 2015 Q50 Hybrid cold state vehicles \(listed below\) to reprogram the Direct Adaptive Steering \(DAST\) and replace the 12 volt battery.
- [P5323OL](/bulletins/10192699.md), 2021-05-10, Service bulletin: STEERING. Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 \- 2015 Q50 Hybrid cold state vehicles \(listed below\) to reprogram the Direct Adaptive Steering \(DAST\) and replace the 12 volt battery.
- [P5323](/bulletins/10192697.md), 2021-05-10, Service bulletin: ELECTRICAL SYSTEM; STEERING. Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 \- 2015 Q50 Hybrid cold state vehicles \(listed below\) to reprogram the Direct Adaptive Steering \(DAST\) and replace the 12 volt battery.
- [P5326](/bulletins/10192696.md), 2021-05-10, Service bulletin: STEERING. Infiniti is conducting a Voluntary Service Campaign on certain specific Model Year 2014 \- 2015 Q50 Hybrid cold state vehicles \(listed below\) to reprogram the Direct Adaptive Steering \(DAST\) and replace the 12 volt battery.
- [ITB15001A](/bulletins/10192603.md), 2021-05-10, Service bulletin: STEERING; AIR BAGS; BACK OVER PREVENTION; WHEELS. IF YOU CONFIRM The steering wheel makes a faint squeaking/ticking noise when turned left or right. NOTE: Due to the faint nature of this noise it may be necessary to lift front wheels off of the ground so that it can be isolated. ACTION Remove driver?s side airbag and apply felt tape with the SERVICE PROCEDURE starting on page 2. See this bulletin for further detail.
- [ITB10037D](/bulletins/10192601.md), 2021-05-10, Service bulletin: VISIBILITY; AIR BAGS; STEERING. SERVICE INFORMATION The Applied Vehicles are equipped with a new version of Intelligent Key presets memory. Each Intelligent Key can be programmed to have its own unique set of presets for certain vehicle systems. Vehicle systems that are linked with Intelligent Key include: \- Automatic Drive Positioner \(includes driver seat, steering column, and mirror position memory\) \- Audio \(station presets, etc.\) \- Auto air conditioning and heating \(retains the last temperature and mode setting for each Intelligent Key user\) \- Navigation system \(retains the last settings \[e.g., Birdview\] and clock display preference for each Intelligent Key user\) See this bulletin for further detail.
- [ITB15025](/bulletins/10192598.md), 2021-05-10, Service bulletin: BACK OVER PREVENTION; EQUIPMENT; WHEELS; SERVICE BRAKES; STEERING. SERVICE INFORMATION When servicing run flat tires or low profile tires: \- Special equipment and procedures are required to avoid damage. \- Specifically, Tire Pressure Monitor transmitters \(TPMS sensors\) can be damaged when improperly dismounting and mounting tires. \- TPMS sensors becoming damaged during mounting or dismounting tires are not covered under warranty. \- To avoid such damage, ensure that the tire changer being used and the operator of the tire changer are capable of servicing run flat and low profile tires. \- Operator?s manuals for such tire changers must be followed. See this bulletin for further detail.
- [ITB14045](/bulletins/10192454.md), 2021-05-10, Service bulletin: STEERING; STRUCTURE; EQUIPMENT. IF YOU CONFIRM One or both steering wheel switch chrome finishers on an Applied Vehicle has come off. ACTION Follow the procedure in this bulletin to install the new steering wheel switch chrome finisher\(s\) listed in the Parts Information section. NOTE \- Do not replace the steering wheel assembly for this incident, if it should occur. See this bulletin for further detail.
- [ITB14046](/bulletins/10192443.md), 2021-05-10, Service bulletin: STEERING; STEERING:AUTOMATED/ADAPTIVE STEERING. SERVICE INFORMATION When performing Direct Adaptive Steering \(DAST\) Calibration \(Mode 1\): Always use an alignment rack with the front wheels positioned on the turntables and the pins removed. The front wheels must be allowed to move freely. DO NOT perform DAST Calibration \(MODE 1\) with the front wheels in any other position then listed above. To prevent damaging the spiral cable during DAST Calibration \(MODE 1\), follow instruction in the ESM. See this bulletin for further detail.
- [ITB14019](/bulletins/10192351.md), 2021-05-10, Service bulletin: STEERING: STEERING WHEEL/HANDLE BAR; ELECTRICAL SYSTEM. IF YOU CONFIRM: While driving, the Vehicle Dynamic Control \(VDC\) activates when conditions do not call for VDC activation \(VDC activation is not needed\). ACTION: 1. Check F/B ANGLE 2 in EPS/DAST3. 2. If needed, perform Calibration and Confirmation Procedure. See this bulletin for further detail.

JSON: [/v1/bulletins/10192301](/v1/bulletins/10192301)

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