2020 Infiniti QX50 problems & reliability
32 owner complaints filed with NHTSA for the 2020 Infiniti QX50, alongside 2 safety recall campaigns. Last verified Sep 21, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several components.
Federal crash records (FARS 2020–2023): 2020 Infiniti QX50 vehicles were involved in 2 fatal crashes with 0 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 17 | 53% |
| Forward Collision Avoidance | 7 | 22% |
| Electrical System | 4 | 13% |
| Engine and Engine Cooling | 4 | 13% |
| Power Train | 4 | 13% |
| Unknown / Other | 3 | 9% |
| Service Brakes | 2 | 6% |
| Back Over Prevention | 1 | 3% |
| Fuel/propulsion System | 1 | 3% |
| Lane Departure | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 11 reported components →Complaints by incident year
What owners report
“The contact owns a 2020 Infiniti QX50. The contact stated that while driving 75 MPH, the check engine warning light illuminated, and the RPM became elevated. The vehicle was taken to the dealer, where an unknown recall repair was performed. The contact stated that the engine was replaced. The vehicle was repaired, but…”
Engine · filed Sep 2, 2026
“Engine lost all power and car seemed to be locked in low gear while attempting to drive down the road. Took the car to Infiniti dealership which said there was a recall and they inspected the vehicle. Mechanic inspected the vehicle and said it fit all requirements to be replaced by engine recall. Infiniti is refusing…”
Engine · filed Sep 2, 2026
“I am a [XXX] woman who purchased my first vehicle on December 6, 2024, with 43,000 miles. I have driven fewer than 20,000 miles since purchase, and the vehicle currently has approximately 62,000 miles. Until January 19, 2026, I experienced no issues. I have properly maintained the vehicle and followed all recommended…”
Power Train · filed Feb 19, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Complete loss of motive power due to engine failure
Preliminary Evaluation PE23023 · opened Dec 13, 2023 · closed Jul 18, 2025 · led to recall 25V437
Technical service bulletins
154 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2020 Infiniti QX50. The 10 most recent:
ROARING NOISE FROM THE ENGINE COOLING FAN ASSEMBLY AND THE A/C IS NOT COOLING IF YOU CONFIRM A roaring noise from the engine cooling fan assembly (engine fan on high not cycling) is present, and the Air Conditioning…
ITB22-025D · Service Bulletin/Repair Instructions · issued Aug 26, 2026
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 =…
ITB09-063C · Service Bulletin/Repair Instructions · issued Apr 13, 2026
IF YOU CONFIRM The client states that either the rear hatch is inoperative, or the rear hatch closes after opening only a small amount, AND DTC B2426-23 for “SPINDLE SENSOR LH” and/or DTC B2427-23 for “SPINDLE SENSOR…
ITB21-021A · Service Bulletin/Repair Instructions · issued Oct 6, 2025
AEB WARNING LIGHT IS ON WITH WARNING MESSAGES DISPLAYED ON COMBINATION METER APPLIED VEHICLES: 2015-2024 Q50 (V37) 2015-2018 Q50 Hybrid (HV37) 2017-2022 Q60 (CV37) 2015-2019 Q70 (Y51) 2015-2018 Q70 Hybrid (HY51)…
ITB23-023A · Service Bulletin/Repair Instructions · issued Feb 20, 2025
DTC B00A0-00 STOREIF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored, AND OCS zero point reset cannot be performed, (continued on the next page)D
ITB19-024D · Service Bulletin/Repair Instructions · issued Sep 19, 2024
TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION SERVICE INFORMATION The Telematics Control Unit (TCU) has the ability to send an automatic collision notification when the vehicle is involved in an…
ITB22-020B · Service Bulletin/Repair Instructions · issued Aug 15, 2024
DTC B2E01-96 (INTERNAL BATTERY) STORED AS CURRENT IN IVC APPLIED SYSTEMS: Vehicles equipped with Telematics SERVICE INFORMATION CONSULT has been updated to allow DTC B2E01-96 for “Internal battery” to be cleared in the…
ITB22-017B · Service Bulletin/Repair Instructions · issued Aug 15, 2024
AV CONTROL UNIT REPLACEMENT PROCESS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin. IF YOU CONFIRM The AV control unit needs to be replaced…
ITB19-042E · Service Bulletin/Repair Instructions · issued Aug 15, 2024
TELEMATICS (IVC) SERVICE INFORMATION Vehicles equipped with factory telematics system HINT: If the client experiences Wi-Fi hotspot related concerns only, DO NOT replace the TCU. Have the client contact the AT&T…
ITB19-029E · Service Bulletin/Repair Instructions · issued Aug 15, 2024
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.
ITB13-052E · Service Bulletin/Repair Instructions · issued May 20, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2020 Infiniti QX50 has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2020 Infiniti QX50?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.