AI Damage2018 Infiniti Q70: common problems
Owners of the 2018 Infiniti Q70 filed 1 complaints with NHTSA, most often about air bags and seat belts. The maker issued 74 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 1
- Technical service bulletins (TSB)
- 74
What fails most often
- 1 Air bags 100% of all complaints
- 2 Seat belts 100% of all complaints
- Air bags: 1 complaints (100% of all).
- Seat belts: 1 complaints (100% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 3.7 L · petrol · 6 cyl
- 5.6 L · petrol · 8 cyl
- 3.5 L · hybrid · 6 cyl
- automatic, 7-speed
Drive: RWD, AWD
Symptoms owners describe
How many of the 1 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) |
|---|---|---|---|
| Air bags | 1 | 0 | 0 |
| Seat belts | 1 | 0 | 0 |
| Electrical system | 0 | 0 | 38 |
| Equipment | 0 | 0 | 25 |
| Visibility | 0 | 0 | 7 |
| Engine and cooling | 0 | 0 | 6 |
| Forward collision avoidance | 0 | 0 | 6 |
| Exterior lighting | 0 | 0 | 4 |
| Lane departure | 0 | 0 | 4 |
| Powertrain | 0 | 0 | 4 |
| Fuel system | 0 | 0 | 3 |
| Structure | 0 | 0 | 3 |
| Service brakes | 0 | 0 | 2 |
| Wheels | 0 | 0 | 2 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
seat belt and air bag warning light on, had dealer check stated problem in the passenger seat cushion and notofied factory but no satisfaction.
Comparison
By complaint count this model year ranks 1,964 of 2,102 model years in the NHTSA data (among the 7% least complained about).
On average one model year of the Q70 has 2 complaints (4 years in the data). This year has 1, below average.
What to check before buying
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Visibility. Wipers, mirrors, defrosters, cracked glass.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other…
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 =…
- TELEMATICS SERVICE INFORMATION See ITB19-029 for models built after those listed above for a different…
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…
- 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) 2019-2024 QX50 (J55) 2022-2024 QX55 (FJ55) 2015-2021 QX60 (L50) 2022-2024 QX60 (L51) 2015-2019 QX60…
- 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.
- 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.
- 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.
- AUTOMATIC EMERGENCY BRAKING WARNING LIGHT BLINKING This bulletin has been amended
See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended
See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 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.
- WINDSHIELD CRACKING This bulletin has been amended
See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
- 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 Software Updates on the left side of ASIST. Please discard previous versions of…
- 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 Software Updates on the left side of ASIST. HINT: Initially, the Infotainment…
NHTSA lists 74 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2018 Infiniti Q70?
Owner complaints to NHTSA most often mention: air bags, seat belts. Total complaints: 1. The most frequent symptoms in complaint texts: airbag warning light (100%), seat belts (100%), warning lights, check engine (100%).
How many service bulletins (TSB) were issued for the 2018 Infiniti Q70?
NHTSA lists 74 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2018 Infiniti Q70 from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2018 models
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.