2015 Infiniti Q40 problems, complaints & recalls

2025-04-13 · Exterior Lighting

“a common issue found in the infiniti q40/g37 lineage, the sunroof drain became clogged leading to an influx of moisture underneath the flooring and within the panels of the right half of the vehicle. due to the fault, electrical components such as the bcm and ecm were exposed to moisture, leading to numerous issues. …”

2024-08-21 · Structure · 100,328 mi

“the contact owns a 2015 infiniti q40. the contact stated while parked, a water leak coming from the driver’s side floor was discovered. the contact also noticed that there was an abnormal odor coming from inside the vehicle that became more pronounced with the a/c unit activated. the vehicle was taken to a dealer; however, a diagnostic test was pen…”

2020-05-20 · Unknown Or Other · 25,000 mi

“the car when parked on a steep slope with the emergency brake/parking brake on will start to roll on its own. infiniti was contacted and blamed my driveway as the problem but i have 6 cars and the infiniti is the only car that cant stay parked and rolls when parked. was told id have to pay 3 thousand dollars if i wanted my car to get checked. *tr…”

2019-09-27 · Air Bags · 60,000 mi

“since i bought car the passenger "air bag off" light is always on whenever my wife, who weighs 165 lbs, is a passenger - she does not have airbag protection. we normally do not have a passenger in the front seat, and never even knew if that was an option until my wife just sat in the passenger seat and pointed it out to me. this is while she w…”

2019-07-29 · Unknown Or Other · 52,000 mi · 💥 crash

“while in motion on a highway the vdc (auto hydroplane correct function) is suspected to have caused increase loss of control of vehicle. i was able to observe that the vdc light was flickering on and off. it did initially come on to auto correct but then abruptly the vehicle started to hydroplane, despite the function being on and caused me to have…”

2017-06-22 · Air Bags · 18,000 mi

“the passenger airbag off light stays on while an adult weights more than 120 pound sitting on the passenger seat. the light won't go off while the car is moving.…”

2015-12-29 · Unknown Or Other · 3,000 mi

“i bought this new 2015 infiniti q40 awd from infiniti dealer on feb 28, 2015. after driving this noisy car for three months(3000miles), i started having ringing in both ears (tinnitus). i have trouble to sleep and start losing my hearing in both ears. i have contacted the infiniti dealer in june 2015, the first time i noticed the tinnitus caused by…”

2015-09-06 · Air Bags · 120 mi

“since i bought car at 96 miles and now at 3000 miles the passenger "air bag off" light is always on whenever my wife, who weighs 105 to 109 lbs, is a passenger - she does not have airbag protection. i took car to the service department of two independent dealerships 4 months apart..they both kept it overnight, tested it "thoroughly." their respect…”