2015 Infiniti Q50 speed control problems
The 2015 Infiniti Q50 has 20 speed control complaints filed with NHTSA — 11% of the year's total, and up sharply from the prior model year.
20
Speed Control complaints
11%
Share of year
0
Crash-involved
0
Related recalls
Speed Control complaints by year
What owners report
“The valve body went bad at 164k miles. Im not the only one. On all the forums and fb groups im on, there are hundreds of valv bodys going bad on the q50s for this general area of the year. On my facebook group i have seen 4 people in the past 2 days with theirs going out. Code p0720. Mine is being…”
Common questions
How many speed control complaints does the 2015 Infiniti Q50 have?
NHTSA has 20 complaints about the 2015 Infiniti Q50 speed control — 11% of all complaints filed for that model year.
Related
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.