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 ↗2016 INFINITI QX50 electrical problems
severe 4 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
4
Recalls
0
Avg fix
$850
1crash
1injury
When does it fail?
Of the 4 electrical complaints filed for the 2016 INFINITI QX50, here's the actual mileage breakdown — failures cluster heaviest at 100,000-125,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
Electrical accounts for 21% of all owner complaints filed against this vehicle, across 4 categories tracked.
No new NHTSA electrical complaint has been filed on this vehicle in over 3 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 ↗BATTERY QUICK CHARGE NOTICE SERVICE INFORMATION When charging the vehicleâs 12 volt battery with the high amperage quick charge function, the ignition should never be ON, or turned ON, while charging. Attempting to start the vehicle, or turning the ignition ON, while using the high amperage quick charge could potentially damage the fuel pump control module. ï· Only turn the ignition ON when either the ESM or a technical service bulletin service procedure states to do so, and only while using a battery maintainer or smart charger set to reflash mode, or a similar setting. ï· Battery voltage should not exceed 16V during a reprograming operation.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
This is the 3rd instance of my car rolling backwards down the driveway. Both the first and second instances of uncontrolled rolling happened in 2016. Only the second instance was caught on camera. I shared the video with Infiniti and was instructed to bring the car in for an inspection. I went in for the inspection in December 2016 and they reported that there were no issues (despite video…
The contact owns a 2016 Infiniti QX50. The contact stated that while driving at an undisclosed speed, she attempted to engage the horn to prevent a collision; however, the horn was inoperable. There was no warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the clockspring had melted onto the horn relay. The vehicle was not…
The Display / Navigation screen does not always light up. Some time it works when you start the car. Other times it tries for a awhile be fore it starts to work. When it lights up everything from what I can tell works normally. When it does not light up. The AC works by its self, but you can not turn it off or adjust it. The warning sensors work, but Camera does not work. Radio does not…
Purchased vehicle on 4/23/23 from Carmax. Discovered horn was not working 5/10 when a truck swerved into my lane on the freeway. Carmax refused to refund money under 30 day guarantee stating I drove over 1500 miles. Prior to purchasing I signed documents stating the car was in perfect condition after 3 point inspection , horn included . They scheduled a appointment at the end of the month leaving…
Had electrical trouble with your 2016 INFINITI QX50?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2016 INFINITI QX50?
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 118,274 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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2016/INFINITI/QX50.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.