2002 Infiniti Q45 problems & reliability
20 owner complaints filed with NHTSA for the 2002 Infiniti Q45, alongside 1 safety recall campaign. 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.
1 complaint report injuries (1 injured).
Federal crash records (FARS 2020–2023): 2002 Infiniti Q45 vehicles were involved in 1 fatal crash with 1 occupant death. 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 and Engine Cooling | 4 | 20% |
| Air Bags | 3 | 15% |
| Exterior Lighting | 3 | 15% |
| Wheels | 3 | 15% |
| Electrical System | 2 | 10% |
| Seats | 2 | 10% |
| Tires | 2 | 10% |
| Vehicle Speed Control | 2 | 10% |
| Electronic Stability Control (esc) | 1 | 5% |
| Fuel/propulsion System | 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 15 reported components →Complaints by incident year
What owners report
“I had a problem with my car, with the tires constantly leaking. I had to fill them with air all the time, had them checked a number of times, and had to have the rims cleaned and reground, etc., trying to determine and solve the problem. After incredible aggravation, we finally tracked the problem down to cracks in…”
Wheels · filed Jun 28, 2019
“My car randomly shuts off in the middle of driving. First time I was on the highway and it started right back up. Then again when I got home. One time it had a p0340 code for the camshaft position sensor, and I changed it three times in the last week and it still shuts off in the middle of driving.”
Electronic Stability Control (esc) · filed May 9, 2017
“Tl* the contact owns a 2002 infiniti q45. The contact stated that the air bag light was constantly illuminated on the instrument panel. The vehicle was taken to an independent mechanic who was unable to diagnose the failure. The dealer and manufacturer were made aware of the failure. The vehicle was not repaired. The…”
Air Bags · filed May 26, 2015
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
110 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2002 Infiniti Q45. 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
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
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
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.
ITB13-007H · Service Bulletin/Repair Instructions · issued Feb 27, 2023
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB09-039J · Service Bulletin/Repair Instructions · issued Feb 27, 2023
WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB10-067C · Service Bulletin/Repair Instructions · issued Feb 22, 2023
VOLUNTARY SERVICE CAMPAIGN 2002 Q45; FUEL TANK SLOW FILL CAMPAIGN ID # P1109 is no longer active. ï · Repair orders opened after this bulletinâ s published date are no longer eligible for reimbursement under Campaign ID…
ITB01-017B · Service Bulletin/Repair Instructions · issued Mar 23, 2022
INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB16-006A · Service Bulletin/Repair Instructions · issued Mar 24, 2021
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 2002 Infiniti Q45 has 1 NHTSA recall campaign — 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 2002 Infiniti Q45?
- · 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.