2018 Infiniti QX30 Vehicle speed control Problems
- Complaints
- 1about this part
- Share
- 4%of 25 total for the year
- Median mileage
- 23,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the vehicle speed control of the 2018 Infiniti QX30, 4% of the 25 complaints for this model year. Where a mileage was given, the median is 23,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2018 Infiniti QX30. The contact stated while driving at various highway speeds, the vehicle suddenly decelerated to 30 MPH. During the failure the check engine warning light illuminated and the message Inoperative - See Owner’s Manual was displayed. The vehicle was taken to the local dealer on several occasions and the ignition module, engine cylinders, brake wiring harness and brake sensor were replaced; however, the failure persisted. The manufacturer was notified of the failure. The failure mileage was 23,000.”
NHTSA complaint #11545783, filed 2023-09, 23,000 milesRelated service bulletins
- 10136209Mar 26, 2018ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. The Applied Vehicles section has been revised. No other changes have been made…
Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2018 | 1 | 4% |
| 2017 | 1 | 3% |
Other parts of the 2018 Infiniti QX30
10 complaintsAir bags
5 complaintsOther or unknown
5 complaintsSteering
5 complaintsEngine
4 complaintsBrakes
3 complaintsTransmission and drivetrain
3 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2018 Infiniti QX30
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology