2012 Infiniti G37 electrical system problems

10 owner complaints filed with NHTSA name the electrical system on the 2012 Infiniti G37 — 16% of all complaints for this model year.

Electrical System complaints

16%

share of all complaints

—

median reported mileage

0 / 0

crash / fire reports

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.”
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…”
filed Jun 11, 2025

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

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