2018 Infiniti QX30 problems & reliability
22 owner complaints filed with NHTSA for the 2018 Infiniti QX30, alongside 3 safety recall campaigns. Last verified Aug 7, 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 vehicles.
Federal crash records (FARS 2020–2023): 2018 Infiniti QX30 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 |
|---|---|---|
| Electrical System | 9 | 41% |
| Unknown OR Other | 5 | 23% |
| Air Bags | 4 | 18% |
| Engine | 4 | 18% |
| Steering | 4 | 18% |
| Power Train | 2 | 9% |
| Service Brakes | 2 | 9% |
| Visibility/wiper | 2 | 9% |
| Back Over Prevention | 1 | 5% |
| Electronic Stability Control (esc) | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 18 reported components →Complaints by incident year
What owners report
“The contact owns a 2018 Infiniti QX30. The contact stated that while driving at an undisclosed speed, there was an abnormal clicking sound coming from the steering wheel, with several unknown warning lights illuminated. The vehicle was taken to the dealer, where it was diagnosed with a failed clockspring. The contact…”
Steering · filed Feb 17, 2026
“The rear subframe on my 2018 Infiniti QX30 experienced a structural failure at approximately 39,000 miles. The vehicle was inspected by an authorized Infiniti dealer, who confirmed failure of the rear subframe, a critical structural and safety component. This failure created a serious safety hazard, including risk of…”
Unknown OR Other · filed Feb 4, 2026
“I am submitting a safety concern regarding the headliner in my vehicle. The rear portion of the headliner has detached and is sagging downward. As shown in the attached photo, the sagging material obstructs visibility through the rear window, significantly reducing the driver’s ability to see behind the vehicle. This…”
Unknown OR Other · filed Oct 2, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
Technical service bulletins
108 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2018 Infiniti QX30. The 10 most recent:
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
TELEMATICS SERVICE INFORMATION See ITB19-029 for models built after those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called…
ITB12-011R · Service Bulletin/Repair Instructions · issued Mar 30, 2026
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
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.
ITB13-006D · Service Bulletin/Repair Instructions · issued May 20, 2024
CAN COMMUNICATION CODES – DIAGNOSTIC TIPS AND GUIDELINES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB10-029C · Service Bulletin/Repair Instructions · issued May 20, 2024
WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB17-009H · Service Bulletin/Repair Instructions · issued Apr 30, 2024
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-007I · Service Bulletin/Repair Instructions · issued Apr 30, 2024
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB09-039K · Service Bulletin/Repair Instructions · issued Apr 29, 2024
SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment…
ITB23-010E · Service Bulletin/Repair Instructions · issued Feb 22, 2024
SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin is no longer active. To access infotainment software updates via the Infotainment Software Update Utility: Select SPECIALTY TOOLS, and then select Infotainment…
ITB23-010D · Service Bulletin/Repair Instructions · issued Jan 24, 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 2018 Infiniti QX30 has 3 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 2018 Infiniti QX30?
- · 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.