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 G25 electrical problems
severe 4 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 4 electrical complaints filed for the 2012 INFINITI G25, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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 5 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 ↗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 ↗CAN COMMUNICATION CODES â 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 ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
Tl* the contact owns a 2012 Infiniti g25. The contact stated that after replacing the engine, the battery and air bag warning lights remained illuminated and continued flashing while driving the vehicle. The vehicle was taken to Infiniti of norwood located at 866 providence hwy, norwood, ma 02062, who diagnosed that the air bag control unit was faulty and needed to be replaced. The vehicle was…
Last Friday, 7/25/21, while driving home from work, my car instrument panel, speed odometer, everything went totally black, I lost steering and pulled into a 7-11 parking lot. The passenger side of the car was smoking. I was locked in as door unlock wouldn’t work, nothing would work. I was unable to turn the car off and literally felt like I could pass out from smoke inhalation quickly called…
Tl* the contact owns a 2012 Infiniti g25. While driving 50 MPH, the vehicle stalled without warning. The vehicle was taken to an independent mechanic but was not diagnosed or repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 80,000. Updated 05/02/17*lj updated 05/12/2017*js
Vehicle has 97k miles and door will not open from inside or outside. Hit door lock/unlock multiple time with no luck getting it open. Handles do not feel like there is any resistance when pulling on them.
Common questions
How serious is the electrical problem on the 2012 INFINITI G25?
It's a meaningful issue. 4 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Based on the 4 complaints filed, electrical issues most often appear around 84,925 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.