Infiniti QX55: problems, complaints, bulletins
Summary for the Infiniti QX55 across 4 model years: 14 owner complaints and 77 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Engine 50% of all complaints
- 2 Powertrain 14% of all complaints
- 3 Seats 14% of all complaints
- 4 Structure 7% of all complaints
- 5 Forward collision avoidance 7% of all complaints
- 6 Engine and cooling 7% of all complaints
- 7 Air bags 7% of all complaints
- 8 Fuel/propulsion system 7% of all complaints
- Engine: 7 complaints (50% of all).
- Powertrain: 2 complaints (14% of all); manufacturer bulletins for this component: 17.
- Seats: 2 complaints (14% of all); manufacturer bulletins for this component: 1.
- Structure: 1 complaints (7% of all); manufacturer bulletins for this component: 13.
- Forward collision avoidance: 1 complaints (7% of all); manufacturer bulletins for this component: 8.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2 L · petrol · turbo · 4 cyl 2022–2025named in 1 complaints
- CVT 2022–2025
Drive: AWD
Symptoms owners describe
How many of the 14 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 7 | 0 | 0 |
| Powertrain | 2 | 0 | 17 |
| Seats | 2 | 0 | 1 |
| Structure | 1 | 0 | 13 |
| Forward collision avoidance | 1 | 0 | 8 |
| Engine and cooling | 1 | 0 | 5 |
| Air bags | 1 | 0 | 3 |
| Fuel/propulsion system | 1 | 0 | 0 |
| Electrical system | 0 | 0 | 74 |
| Equipment | 0 | 0 | 22 |
| Visibility | 0 | 0 | 18 |
| Exterior lighting | 0 | 0 | 5 |
| Wheels | 0 | 0 | 5 |
| Seat belts | 0 | 0 | 4 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
There is a rattling or knocking noise coming from the engine, and the vehicle experiences a loss of power whenever I accelerate. While driving, the collision warning symbol was flashing on the dashboard.
2022 Infinity QX55 Luxe.....Rear door lock system issues...The door jams and you cannot open the door from the inside and outside of the vehicle. This creates a serious safety issue.
Complete sudden engine failure , motor lost acceleration. It started with engine knocking then full and complete engine failure. Oil light illuminated when engine failed. I did check the engine and oil was full on a cold engine and the vehicle is properly maintained as it is a leased infiniti vehicle.
The vehicle hesitated, and the ECM fault code was displayed. The vehicle was taken to the dealer, where it was diagnosed with VCT actuator failure. The contact was informed that the VCT actuator needed to be replaced. The vehicle was not repaired.
The contact stated that while driving at an undisclosed speed, the vehicle unexpectedly stalled with the check engine warning light illuminated. The vehicle was able to be restarted. The contact stated that while the vehicle was parked and running, there was white smoke coming from the exhaust.
The contact stated that the Forward Collision Avoidance: Automatic Emergency Braking System was unintentionally activated after a shadow was detected. The contact stated that there was a high-pitched beeping sound and flashing lights on the instrument panel during the failure.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Seats. Occupant sensor, power adjustment, seat mounts.
- Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING IF YOU CONFIRM A roaring…
- CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other…
- IF YOU CONFIRM The client states that either the rear hatch is inoperative, or the rear hatch closes after…
- AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES
- ***** Retailer Announcement ***** INFINITI is conducting a quality action on specific 2025 QX50 and QX55…
- SERVICE INFORMATION In the APPLIED VEHICLES, there are a variety of Seat Belt Warning Lights and Chimes
- DTC B00A0-00 STOREIF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero…
- DTC B2E01-96 (INTERNAL BATTERY) STORED AS CURRENT IN IVC APPLIED SYSTEMS
- AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended
- TELEMATICS (IVC) SERVICE INFORMATION Vehicles equipped with factory telematics system HINT
- DTC C1A17-49 STORED IN LASER/RADAR This bulletin has been amended
- INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended
Repair videos
We do not copy videos: these are YouTube links credited to their authors. Amounts are as stated by the author and not verified by us.
- Replace cabin filter for 2025 Infiniti QX55amount per author: 134 UNSPECIFIED_DOLLAR
- The 2022 Infiniti QX55 is a GOOD car... but it's *missing* something #shorts
- 2022 Infiniti QX55 🚀🚀
- 2025 INFINITI QX55 Tour
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.