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Service bulletins for the 2014 Infiniti Q50

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.

256 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Suspension are shown. Show all

Bulletins, newest first
P5325OL2021-05-10. Service bulletin. SUSPENSION; BACK OVER PREVENTION:SOFTWARE. Infiniti is conducting a Voluntary Service Campaign on certain MY 2014-15 Q50 vehicles equipped with Direct Adaptive SteeringTM (DAS) system to update the DAS software to the latest production standards
ITB12041C2021-05-10. Service bulletin. SUSPENSION. SERVICE INFORMATION If a customer would like to activate a subscription for any of the following services: - SiriusXM Satellite Radio, NavTraffic, NavWeather or Travel Link OR If a radio is replaced for any reason, and a customer has an active subscription to any of the above services, OR If a customer claims to have an active subscription to any of the above services, AND any portion of the subscribed service is not operating, ... follow the steps in this bulletin to activate/refresh the service.
ITB13029A2021-05-10. Service bulletin. SUSPENSION; STEERING; WHEELS. SERVICE INFORMATION: During the Pre-Delivery Inspection (PDI) test drive, you may experience the following conditions: - While driving straight the steering wheel is off-center, and - While driving straight, if you relax your grip on the steering wheel, the steering wheel will return to center and the vehicle will pull, as if making a turn. The above condition indicates that the Direct Adaptive Steering (DAST) needs to be trained (recalibrated). NOTE: Do not perform a wheel alignment for a steering wheel off-center or pull condition at PDI. See this bulletin for further detail.
ITB00024F2021-05-10. Service bulletin. STEERING; SUSPENSION; SERVICE BRAKES. SERVICE INFORMATION - This bulletin is to assist you in responding to customer questions about brake operation, and provides diagnostic and repair information for each item listed, if any should occur. - Most brake issues fall into the following categories: a. Brake Noise: A squeak, squeal, clunk, or groan that occurs when the brakes are applied or released. b. Brake Judder: A vibration that can be felt in the vehicle, steering wheel, or brake pedal when the brakes are applied. c. Pedal Feel: The effort needed to operate the brakes is too high or too low. SERVICE PROCEDURE 1. Verify the condition by road testing the vehicle with the customer. 2. Determine the specific brake issue based on the description in the Service Information above. 3. Follow the appropriate repair procedure(s), listed on the following pages, for your specific issue. See this bulletin for further details.
ITB17-0182017-08-01. Service bulletin. SUSPENSION:FRONT:CONTROL ARM:LOWER BALL JOINT; SUSPENSION:FRONT:CONTROL ARM:UPPER BALL JOINT. BALL JOINT AXIAL END PLAY PROCEDURE SERVICE INFORMATION When working on the front suspension, use the updated service information in this bulletin along with the Electronic Service Manual (ESM). The updated information in this bulletin is a correction and a supplement to the ESM.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.