Dead battery. Replaced alternator and battery, vehicle is dead every 2-3 days. Many others report the same issue. Infiniti has an "infotainment software update" to fix this problem but have no fix for older vehicles.
2013 INFINITI QX56 electrical problems
severe 3 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Complaints
3
Recalls
0
Avg fix
$850
1crash
When does it fail?
Of the 3 electrical complaints filed for the 2013 INFINITI QX56, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 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
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.
What owners are reporting 3 most recent
SUV would not start so had to get a jump. 1 week later same thing. Had battery tested but was not bad and it had just been replaced by dealer in 2019. 1 week later again SUV would not start. Got a jump and took to jba Infiniti in ellicott city, md who charged the battery for 2 hours. 2 weeks later, SUV is hesitating to start. I refuse to pay another $186 for them to diagnose and then recharge…
There was car that pulled up behind me while I was idle in the driveway and as I pulled out no warning beep..and now the vehicle. Was not cranking for several hours and nothing is wrong with battery and remote is fully charged & have been stranded seval times because if of it...this has to be a recall
Had electrical trouble with your 2013 INFINITI QX56?
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 2013 INFINITI QX56?
It's a meaningful issue. 3 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 3 complaints filed, electrical issues most often appear around 99,000 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/2013/INFINITI/QX56.
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.