Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
full bulletin at NHTSA ↗2015 FIAT 500 electrical problems
moderate 22 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
Failure mileage
Complaints
22
Recalls
0
Avg fix
$850
1crash
When does it fail?
Of the 22 electrical complaints filed for the 2015 FIAT 500, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Among the 6 model years of FIAT 500 in our records for electrical problems, this one ranks #2 by owner-complaint volume.
Electrical accounts for 24% of all owner complaints filed against this vehicle, across 3 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Air Bag Warning Lamp Illumination Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) has been set: ? B0050-1D - Driver Front Buckle Switch - Out of Range (Active or Stored). ? B0050-13 - Driver Front Buckle Switch - Circuit open (Active or Stored). This bulletin involves replacing the inline seat connector.
full bulletin at NHTSA ↗Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
full bulletin at NHTSA ↗Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
full bulletin at NHTSA ↗Air Bag Warning lamp Illumination Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) has been set: ? /B0050-1D - Driver Front Buckle Switch - Out of Range (Active or Stored). ? B0050-13 - Driver Front Buckle Switch - Circuit open (Active or Stored). This bulletin involves replacing the inline seat connector.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 4 most recent
Radio and other electronics went blank, we came to local dealer to fix it. They changed it and it still not working,very went back they changed it again, still not working, made 3 rd appointment to five it, loosing a faith that they ever will fix it right.
After bringing vehicle to a complete stop at a traffic light, it died and gave a propulsion system warning. After about 20 attempts to turn off and reboot the vehicle, it restarted and behaved as if nothing had happened. This was a very dangerous situation with the vehicle stuck in the middle of the road. There have been two recalls on this very specific issue (and this vehicle has had that…
Tl* the contact owns a 2015 Fiat 500. The contact stated that the vehicle shifted out of drive into neutral when the electrical system overheated. The contact was able to move onto the road shoulder, restart the engine, and the vehicle resumed normal operation after the engine cooled down. The dealer advised the contact to shift the gear into neutral manually when the burning odor emitted or they…
Software recall.
Had electrical trouble with your 2015 FIAT 500?
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 2015 FIAT 500?
It's a documented issue but not catastrophic. 22 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?
Across the 12 complaints that reported odometer mileage, most electrical failures cluster between 16,700 and 52,000 miles, with the median around 32,000. A quarter of owners report trouble before 16,700; a quarter make it past 52,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
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/2015/FIAT/500.
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.