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.
full bulletin at NHTSA ↗2012 INFINITI M37 electrical problems
moderate Owners of the 2012 INFINITI M37 have filed 3 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
| Model year | electrical complaints |
|---|---|
| 2011 M37 | 3 |
| 2012 M37 (this page) | 3 |
When does it fail?
Of the 3 electrical complaints filed for the 2012 INFINITI M37, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA electrical complaint has been filed on this vehicle in over 7 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
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.
full bulletin at NHTSA ↗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.
full bulletin at NHTSA ↗VOLUNTARY SERVICE CAMPAIGN CALL WAITING FUNCTION NAVIGATION UPDATE Service Campaign ID # P1235 is no longer active. ï· Repair orders opened after this bulletinâs published date are no longer eligible for reimbursement under Campaign ID # P1235. ï· Discard all previous versions of ITB11-046.
full bulletin at NHTSA ↗CAN COMMUNICATION â NETWORK DIAGNOSTIC FLOW CHART This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 2 most recent
2 days ago I was leaving the market & my car won't start every light from engine , brakes, electrical come on. I waited 15 minutes @ it started. This has happened at least 7 times. I have may serviced on a regular basis. I've mentioned it to my dealer, I thought it could be my battery, it was not. The said they don't know what is going on. I've had to call family to come & get several…
Passenger airbag sensor has failed and the dealer has quoted me a price of $7019 to repair it, saying the seat has to be replaced. The cost is exorbitant, and approaches to he total value of the car. This is a defect of the part and the manufacturing process that consumers should not have to bare.
Common questions
How serious is the electrical problem on the 2012 INFINITI M37?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Based on the 3 complaints filed, electrical issues most often appear around 50,333 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.