2012 Infiniti G37 problems & reliability
63 owner complaints filed with NHTSA for the 2012 Infiniti G37, 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.
2 complaints report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2012 Infiniti G37 vehicles were involved in 68 fatal crashes with 45 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 |
|---|---|---|
| Air Bags → | 33 | 52% |
| Seats → | 11 | 17% |
| Electrical System → | 10 | 16% |
| Unknown OR Other | 10 | 16% |
| Vehicle Speed Control | 6 | 10% |
| Engine | 4 | 6% |
| Power Train | 4 | 6% |
| Structure | 4 | 6% |
| Exterior Lighting | 2 | 3% |
| Service Brakes | 2 | 3% |
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 54,000 miles (middle 50% between 22,039 and 79,000 miles), based on 34 complaints that included mileage.
Complaints by incident year
What owners report
“If you search the internet, you'll see that there's a large problem with the sunroof drainage in this car dumping water into the cabin, into the glove box and down the right kick panel, which is where the bcm unit sits, and then dumps down the rocker panel where all the electrical wiring runs.”
Electrical System · filed Oct 7, 2025
“I purchased this vehicle, 2012 Infiniti G 37XS in September 2023. The vehicle was basically brand new with less than 2200 miles on it and I have driven it very little up to that point, October 2024, as it is not my primary vehicle. Around [XXX], I believe it was around 8100 miles and change on the vehicle, a warning…”
Seats · filed Jun 11, 2025
“The contact owns a 2012 Infiniti G37. The contact stated that the air bag warning light was illuminated, and the message "Seat Belt Off" was displayed. The vehicle was taken to the dealer, where DTC code: B1018 was retrieved. The dealer determined that the passenger's side seat occupant classification system sensor…”
Air Bags · filed Dec 16, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
132 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 Infiniti G37. 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
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
HEADLAMP, FOG LAMP, OR REAR COMBINATION LAMP FOGGING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB03-051Q · Service Bulletin/Repair Instructions · issued Apr 5, 2023
CLICKING NOISE FROM FRONT OR REAR AXLE DURING TAKE-OFF/ACCELERATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB13-008D · Service Bulletin/Repair Instructions · issued Mar 29, 2023
ABS/VDC CAN DIAGNOSIS INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB10-074B · Service Bulletin/Repair Instructions · issued Mar 8, 2023
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 2012 Infiniti G37 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 2012 Infiniti G37?
- · 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 54,000 miles — budget accordingly if the car is approaching that mileage.