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2018 FIAT 500X electrical problems
moderate
Owners of the 2018 FIAT 500X have filed 4 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation.See electrical across all vehicles →
Complaints
4
Recalls
1
Avg fix
$850
electrical complaints on the FIAT 500X, by model year
Of the 4 electrical complaints filed for the 2018 FIAT 500X,
here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
1 (100%)
25-50k
0 (0%)
50-75k
0 (0%)
75-100k
0 (0%)
100-125k
0 (0%)
125-150k
0 (0%)
150k+
0 (0%)
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.
Chrysler (FCA US LLC) is recalling certain 2018 Jeep Renegade, Compass and Grand Cherokee, RAM 1500 and Promaster, Fiat 500x, Dodge Journey, Challenger, Charger and Durango and Chrysler 300x vehicles, 2017-2018 Jeep Wrangler, Dodge Grand Caravan and Chrysler Town and Country vehicles and 2018-2019 Jeep Cherokee and 2018 Chrysler Pacifica and Pacifica Hybrid vehicles
A vehicle stall can increase the risk of a crash.
Fix: Chrysler will notify owners, and dealers will replace the powertrain control module, free of charge. The recall began October 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U87.
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.
Service BulletinS1408000384 REV.JMar 2026
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
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
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
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
"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 "
Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting
4 most recent
electrical
· filed 07/23/2021
I contact Chrysler Corp regarding the NHTSA recall notice and provided corporate with the recall notice number and was told that the recall was not applicable to my Fiat 500x. However corporate asked where the vehicle was being serviced. When The service was completed the statement from the dealership indicated that the NHTSA recall had been completed. Additionally I purchased the vehicle new…
electrical
· filed 06/19/2019
Full speed forward collision warning plus does not function properly. Warning and breaks never activate even if 1 foot from car in front.*dt
electrical · 17,000 mi
· filed 03/27/2019
After 10,000 miles these issues started to occur. We were quoted the engine experienced these issues due to the engine burning oil. The car sputters, it is sluggish, while driving it loses power and is slow to pick up or doesn't pick up at all. We slowed down dramatically while doing 60 on the highway.. This could have caused us to have an accident. Very dangerous.
electrical
· filed 01/27/2023
Car continuously throttled while driving on highway and road with no warnings. Vehicle electric components like radio and parking camera would shut off and not come back on without warning or while using camera. Car now gives warnings of vehicle temperature too high
Had electrical trouble with your 2018 FIAT 500X?
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 2018 FIAT 500X?
It's a documented issue but not catastrophic. 4 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?
Based on the 4 complaints filed, electrical issues most often appear around 17,000 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?
Yes — 1 active recall(s) cover electrical issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.
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/2018/FIAT/500X.
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.