2018 Infiniti Q70l problems, complaints & recalls
Most-reported problem areas: Air Bags (2) · Seats (1)
Safety recalls (1)
Power Train:driveline:driveshaft 2024-06-21 · campaign 24V470000 · 7,222 vehicles
Defect: Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Risk: A broken driveshaft can result in a loss of drive power, or a vehicle roll away when the vehicle is in park without the parking brake applied. Both scenarios can increase the risk of a crash.
Fix: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
Service bulletins (3)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Structure:body 2026-04-13 · ITB09-063C · Service Bulletin/Repair Instructions
certification label and vin plate replacement service information because of collision damage or other vehicle repair, a replacement “certification label” or “vin plate/label” may be needed. hint: certification label = fmvss (federal motor vehicle safety standards) label. these items may be availabl
Electrical System 2024-05-20 · ITB13-052E · Service Bulletin/Repair Instructions
intelligent key not detected / engine will not start this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
Electrical System 2024-05-20 · ITB13-006D · Service Bulletin/Repair Instructions
can communication – network diagnostic flow chart this bulletin has been amended. see amendment history on the last page. please discard previous versions of this bulletin.
What owners report
2026-05-07 · Seats“component/system failed: passenger seat occupant classification/seat weight sensor associated with the supplemental restraint system (srs). repair facility stated moisture or prior moisture intrusion likely affected the sensor. the failed component should be available for inspection upon request. safety risk: the airbag/srs system may not properly …”
2026-02-19 · Air Bags“the passenger occupant classification system in the passenger seat is showing an airbag code of b00a0-02 on my 2018 infiniti q70l . the dealer cannot clear that code. the only solution is to replace the entire seat bottom (leather/foam/all electronics for raising the seat) all integrated. that part number is 87300-6ar3a and sells for $2800 plus lab…”
2025-10-21 · Air Bags“i have an immaculately maintained 2018 infiniti q70l, but the ocs system began having issues at under 75k miles. originally, the problem was the passenger seat sensor not detecting someone in the seat, so airbags were disabled. this occured sporadically for a year, but no codes were detectable by dealership. now the airbag sensor light flashes c…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.