
INFINITI QX80 (2014–2026): Full Technical Specs & OBD2 Diagnostics
5.6L V8 • Gasoline
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Every figure on this Infiniti Qx80 (2014–2026) page is aggregated and cross-checked against more than 6.6 million real workshop operations, NHTSA records and OEM technical sources — and updated continuously. No invented estimates.
The Infiniti Qx80 (2014–2026) is powered by a 5.6L V8 engine. Use the sections below for verified fluids, battery, OEM tyres, the maintenance schedule, recommended parts and the most commonly reported OBD2 fault codes for this vehicle.
The transmission module detected a fault — check separate transmission codes.
Related codes: P0700
Rough running, idle vibration, power loss.
Related codes: P0300
Thermostat stuck open — engine does not reach operating temperature.
Related codes: P0128
System voltage below 10V — check alternator, battery or wiring.
Related codes: P0562
Check with an OBD2 scanner.
Related codes: P0011
Prices may vary by area and workshop.
Average independent-workshop hourly labour rates, to estimate repair costs in your country.
All documented fault codes for this vehicle
The most documented diagnostic codes for this model, by system and severity. Tap a code for the full guide.
53 warning lights classified by urgency. Appears on your vehicle? Check the urgency level.
Show all dashboard warning lights
120 owner complaints filed with the U.S. National Highway Traffic Safety Administration (NHTSA) for the Infiniti Qx80 across model years 2014–2026. These are real, verified reports submitted by vehicle owners.
While driving at normal speed, I suddenly heard a very loud explosion-like “boom” coming from the roof of the vehicle. I immediately pulled over and discovered that the panoramic roof glass had shattered, leaving a large opening/hole in… (MY 2026)
New QX80 should be taken off the road. The Infotainment system is the central computer system to the car. Countless times where the system reboots WHILE DRIVING yielding electronics cluster (Speed control, Heads up Display, etc) blacke… (MY 2025)
WENT TO START CAR AFTER IT WAS SITTING OVER NIGHT (AND TEMPERATURE HAD DROPPED) AND IT WOULD NOT START, REQUIRING A JUMP. NOTHING WAS LEFT ON OVERNIGHT. CAR REQUIRED JUMP START TWO MORE TIMES UNTIL I WAS ABLE TO TAKE TO DEALER. I WAS TOL… (MY 2019)
I purchased a 2015 Infiniti QX80 on March 31, 2021. Since the purchase, I have only driven it approximately 6,000 miles and the check engine light has already come on. I took it to the dealership and they stated that both Catalytic Conve… (MY 2015)
Source: NHTSA complaints database (U.S. data.gov). Figures cover production years 2014–2026.
Frequently Asked Questions
Does the Infiniti Qx80 have any safety recalls?
What does fault code P0300 mean on the Infiniti Qx80?
What does fault code P0128 mean on the Infiniti Qx80?
What does fault code P0011 mean on the Infiniti Qx80?
Are fuel system problems common on the Infiniti Qx80?
Are engine problems common on the Infiniti Qx80?
Are electrical problems common on the Infiniti Qx80?
Which OBD2 fault codes are commonly documented for the Infiniti Qx80 (2014–2026)?
How often should the Infiniti Qx80 (2014–2026) be serviced?
Considering buying a Infiniti Qx80 (2014–2026)? Use this guide to check expected maintenance costs, the most reported fault codes and parts availability on the market. Real data, zero commercial estimates.

