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 ↗2007 INFINITI QX56 electrical problems
moderate 3 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
No new NHTSA electrical complaint has been filed on this vehicle in over 6 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 3 most recent
My truck completely shuts off while driving long distances on the freeway at speeds greater than 60 MPH and then slowing down in stop and go traffic. It also falls dead on local roads at 30-40 MPH. I can literally press the gas pedal to the floor and with no pressure to the accelerator. There are no warning codes or alerts when this happens. I took my vehicle to the southwest Infiniti paid for…
There is an electrical malfunction that has caused my horn to work only when the steering wheel is sideways and it also affects my ability to control my drivers seat positioning. This is very dangerous a car cut me off on the freeway at very close distance. I would have never known that there was an issue if this did not happen.
Tl* the contact owns a 2007 Infiniti qx56. The contact stated that while driving at various speeds, the speedometer and tachometer on the instrument panel would fail to display the correct reading as well as while driving at night the instrument panel failed to illuminate. The vehicle was taken to glory auto sales ltd 8560 e main st, reynoldsburg, oh 43068, phone number; (614) 856-0000, where it…
Common questions
How serious is the electrical problem on the 2007 INFINITI QX56?
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?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
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.