2004 Infiniti G35 problems & reliability
244 owner complaints filed with NHTSA for the 2004 Infiniti G35, 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.
8 complaints report injuries (8 injured, 3 deaths reported).
Federal crash records (FARS 2020–2023): 2004 Infiniti G35 vehicles were involved in 64 fatal crashes with 38 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 | 43 | 18% |
| Electrical System | 41 | 17% |
| Exterior Lighting | 41 | 17% |
| Air Bags | 22 | 9% |
| Engine and Engine Cooling | 21 | 9% |
| Power Train | 21 | 9% |
| Vehicle Speed Control | 20 | 8% |
| Service Brakes | 17 | 7% |
| Unknown OR Other | 17 | 7% |
| Service Brakes, Hydraulic | 16 | 7% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 63,000 miles (middle 50% between 33,875 and 106,500 miles), based on 183 complaints that included mileage.
Complaints by incident year
What owners report
“Car has unintended acceleration that can only be stopped by turning off ignition key. This happens without warning. When stopped and foot on brake car accelerates to top rpm then brake goes to floor resulting in no control of car.”
Engine · filed Aug 27, 2024
“Lock actuators on passenger side have NEVER worked, fuel pump stops working when filling up tank even though not nearly full (have to repush the pump in several times - sometimes it doesn’t let me fill up tank totally because it thinks it’s full), right headlights fog up and can't be polished, light bulbs went out…”
Electrical System · filed Jan 16, 2024
“My heater and AC lights kicks on and off causing my windows to fog making it easy to have an accident. There is a ticking as well but no lights”
Electrical System · filed Apr 17, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
92 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Infiniti G35. 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
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
NAVIGATION MAP DATA UPDATE MATRIX This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB11-003F · Service Bulletin/Repair Instructions · issued Mar 10, 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 2004 Infiniti G35 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 2004 Infiniti G35?
- · 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.
- · Owners most often reported problems around 63,000 miles — budget accordingly if the car is approaching that mileage.