IF YOU CONFIRM All "hands free" functions of the Intelligent Key (I-Key) do not work. For example, the doors will not lock or unlock when pressing either front door request switch. NOTE: - The issue of all I-Key "hands free" functions not working may occur intermittently or all the time. - The message "No Key Detected" or similar may show on the Vehicle Information Display (located in the combination meter). - All I-Key remote button functions (door lock/unlock, etc.) WILL work normally when all I-Key "hands free" functions are NOT working. ACTION 1. Inspect the I-Key?s battery on its negative contact side. 2. If excessive scratching is found, replace the battery. 3. Verify all I-Key functio
full bulletin at NHTSA ↗2015 INFINITI Q50 cruise control problems
moderate 7 complaints filed with NHTSA · avg repair $600 · see cruise control across all vehicles →
Complaints
7
Recalls
0
Avg fix
$600
When does it fail?
Of the 7 cruise control complaints filed for the 2015 INFINITI Q50, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
No new NHTSA cruise control complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering cruise control on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
INFINITI: ON SOME VEHICLES, THE FORWARD COLLISION WARNING (FCW) MALFUNCTION HAS BEEN OR IS ON AND FLUID LEVEL FOR BRAKES IS NORMAL AND THE ABS CONTROL UNIT NEEDS PROGRAMMING, PER SERVICE PROCEDURE. MODEL 2013-14 JX35, QX60, 2014-15 Q50. UPDATED 9/10/15.
full bulletin at NHTSA ↗IF YOU CONFIRM A power window auto-up does not work for one or more power windows. ACTION Replace the left front (driver) door finisher with the new one listed in the Parts Information. While replacing the door finisher, also replace the main power window switch. See this bulletin for further detail.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Engine and/or transmission lost torque power. Since 2016 while car only had 11,000 miles all of the sudden car lost torque power while accelerating. Check engine indicator has never light up and dealer consult scanner has never found the issue. Still car doesnt have same acceleration nor torque while going 0-60mph. Already I've seen so far 4 cars of the same year with speed sensor problems and…
Had cruise control trouble with your 2015 INFINITI Q50?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the cruise control problem on the 2015 INFINITI Q50?
It's a documented issue but not catastrophic. 7 complaints have been filed. Repairs average $600 and most owners catch it before it causes a breakdown.
At what mileage does the cruise control typically fail?
Based on the 7 complaints filed, cruise control issues most often appear around 58,500 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $600 for cruise control repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to cruise control?
No active recalls currently cover cruise control issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2015/INFINITI/Q50.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.