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What 14 owners told NHTSA about the 2016 Fiat 500

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (14)Crash / fire / injury (3)Transmission & drivetrain (8)Brakes (3)Electrical system (3)Engine (3)Airbags (2)Electronic Stability Control (esc) (2)Body & structure (1)Suspension (1)Wheels (1)

3 of 14 complaints match · Brakes · clear filters

Dec 11, 2019Electronic Stability Control (esc)Brakes

FIAT 500E VEHICLE BRAKING BEHAVIOR IS UNEXPECTEDLY HARD, SUDDEN, OR UNPREDICTABLE UNTIL THE USER USES AN OBD SCAN TOOL WITH APPROPRIATE DIAGNOSTIC SOFTWARE- AND INITIATES BRAKE CONTROLLER SENSOR RE-CALIBRATION. THIS OPTION IS FOUND UNDER THE DIAGNOSTIC MENU UNDER: ABS>RENENERATIVE BRAKE CONTROLLER>ACTIVE DIAGNOSTICS, AND THEN SELECTING THE PROCEDURE TO START (RBC SENSOR CALIBRATION). ONLINE FORUM USERS (PLEASE SEE LINK BELOW) ARE CURRENTLY USING 3RD PARTY SOFTWARE, AT THEIR OWN EXPENSE, TO CORRECT THE BRAKING DEFICIENCY (APPROXIMATELY $49). MY PERSONAL VEHICLE WAS PURCHASED USED AND WAS EXHIBITING SUDDEN AND UNEXPECTED BRAKING ISSUES AT APPROXIMATELY 8,500 MILES; THIS IS IN MY OPINION A VERY LOW NUMBER OF MILES TO BE EXPERIENCING REGENERATE BRAKING AND CONTROL ISSUES. PLEASE REFERENCE THE ONGOING DISCUSSION THREAD AT FIAT 500E ONLINE FORUMS: HTTPS://WWW.FIAT500OWNERS.COM/THREADS/FIX-GRABBY-BRAKES-FOR-70.149282/#POST-1292483

NHTSA ODI 11288427

Dec 3, 2017Electrical systemBrakesEngine

ON MULTIPLE OCCASIONS MY WIFE'S CARE HAS REFUSED TO SRMTART WITH NOW ANSWER FROM THE DEALERSHIP WHY, THE BRAKES HAVE BEEN REPLACED BY FIAT UNDER WARRANTY AND THEY STILL SQUEAK WHEN IN REVERSE, AND LATELY IT SAYS THERE IS A TIRE SENSOR THAT IS DAMAGED OR LOW ALONG WITH DRIVE MODE UNAVAILABLE, THIS KEEPS US FROM USING THE AWD SYSTEM EFFECTIVELY, AND FIAT SAID THEY FIXED THE ISSUE ONCE BEFORE AND IT CAME BACK WITHIN THE WEEK. THE CAR HAS HAD ELECTRICAL PROBLEMS FROM THE DAY SHE BOUGHT IT ALONG WITH MULTIPLE OCCASIONS WITH NOT STARTING AND MULTIPLE COMPUTER PROBLEMS WITH NOW HELP FROM THE DEALERSHIPS, THIS CAR IS STILL COVERED UNDER ALL WARRANTIES AND STILL CAUSES PROBLEMS WITH MY WIFE GOING TO WORK. ON TWO OCCASIONS THE DRIVE MODE UNAVAILABLE ERROR CAME UP WHILE DRIVING, THIS DOESN'T ALLOW THE CAR TO OPERATE THE AWD SYSTEM LIKE IT SHOULD

NHTSA ODI 11052126

Nov 28, 2017BrakesCrash

THE VEHICLE WAS APPROACHING A STOPLIGHT AT APPROXIMATELY 15 MPH AND SUDDENLY ACCELERATED WHILE THE BRAKE WAS DEPRESSED, CAUSING A MINOR ACCIDENT (LITTLE DAMAGE TO BUMPERS OF BOTH VEHICLES). CAR WAS RETURNED HOME (1 MILE AWAY) WITHOUT INCIDENT. UPON MOVING THE VEHICLE IN THE DRIVEWAY LATER THAT SAME AFTERNOON, THE VEHICLE SUDDENLY ACCELERATED AGAIN WHEN DEPRESSING THE BRAKE; HAD TO ENGAGE THE PARKING BRAKE TO BRING THE VEHICLE TO A COMPLETE STOP. *BF *TR

NHTSA ODI 11051022

Working with the data? Download all 14 complaints as CSV · fetched from NHTSA July 13, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2016 Fiat 500 verdict →