# Service bulletin ITB18\-043

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: 10153549
- Published by NHTSA: 2019\-02\-25
- Manufacturer's number: ITB18\-043
- Manufacturer's date: 2018\-12\-12
- NHTSA component: STEERING:AUTOMATED/ADAPTIVE STEERING

## NHTSA's summary

2019 QX50; DIRECT ADAPTIVE STEERING PULL AND STEERING WHEEL OFF\-CENTER AT ENGINE START IF YOU CONFIRM While driving in a straight line on a smooth and flat road: \- The steering wheel is off\-center, And \- The steering wheel returns to center and the vehicle begins to pull, when the driver?s grip on the steering wheel is relaxed. ACTION 1. Confirm that the steering wheel is indexed correctly. 2. Confirm that the steering shaft is indexed correctly. 3. Perform Direct Adaptive Steering \(DAST\) Calibration.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153549-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10153549-9999.pdf)

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

## Components

Steering

## Vehicles listed

- 2019 INFINITI QX50

## Other bulletins for the same vehicles and component

- [ITB18\-021](/bulletins/10141448.md), 2018-06-18, Service bulletin: STEERING; ELECTRICAL SYSTEM. DAST CALIBRATION \(MODE1\) INCOMPLETE OR C13E9\-00/C13EB\-00 UNABLE TO ERASE This bulletin applies only to vehicles equipped with Direct Adaptive Steering \(DAST\). SERVICE INFORMATION This bulletin has information for two services for which a technician may need additional help: \- While performing DAST CALIBRATION \(MODE1\), the calibration may stop or will not start. \- DTC C13E9\-00 \(BOOTING ANGLE PROCESSING\) and C13EB\-00 \(BOOTING ANGLE PROCESSING\) are stored and cannot be erased. The above conditions may indicate that DAST CALIBRATION \(MODE1\) was not performed correctly or was not completed correctly. Use the SERVICE PROCEDURE in this bulletin as an aid to correctly perform and complete DAST CALIBRATION MODE 1. NOTE: \- The SERVICE PROCEDURE in this bulletin does not contain all of the required steps. \- The Electronic Service Manual \(ESM\) must be used together with this bulletin. \- This bulletin contains additional clarification as an aid to perform DAST CALIBRATION MODE 1.

JSON: [/v1/bulletins/10153549](/v1/bulletins/10153549)

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