Gear Ratio DTC?s, Transmission Shift Concerns, Does Not Shift At Times, Shudders
full bulletin at NHTSA ↗2015 FIAT 500 powertrain problems
severe 31 complaints filed with NHTSA · avg repair $2,500 · see powertrain across all vehicles →
Failure mileage
Complaints
31
Recalls
0
Avg fix
$2,500
2fires
When does it fail?
Of the 31 powertrain complaints filed for the 2015 FIAT 500, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Powertrain accounts for 34% of every owner complaint on file for this vehicle — the dominant problem area across 3 categories tracked.
Owners have filed 31 powertrain complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering powertrain on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Transmission Kit with Torque Converter 1. All Promaster (VF) 3.6L/62TE equipped vehicles. If the transmission bracket to the transmission case fasteners are removed during servicing, the fasteners (Part Number 06511385A$) are one-time usage. Vehicles built prior to 10/23/2015 requires Service Kit PN 68461214AA; includes Transmission Isolator PN 68264483AA, and Adaptation Bracket 68264479AA and Fastener Service Kit PN 68329056AA Vehicles built after on or after 10/23/2015 will require only the Fastener Service Kit PN 68329056AA. 2. All 3.6L/62TE equipped vehicles. If the vehicle you are repairing has a crack in the flex plate or failed pump bushing inspect and confirm that both (2) dowel pins
full bulletin at NHTSA ↗Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available software. 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):C2502-64 - Signal Plausibility Failure. C2210-92 - ETM Hall Sensor Performance Or Incorrect Operation. C2220-54 - ETM Calibration Error Missing Calibration. C2020-01 - ECU Internal Fault - General Electrical Failure. This software update also includes the following enhancementsReduce Rear Drive Module (RDM) noise during disconnect phase at speeds above 45
full bulletin at NHTSA ↗Flash: Drivetrain Control Module (DTCM) Diagnostic and System Improvements This bulletin involves reprogramming the DTCM with the latest available software. 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):C2502-64 - Signal Plausibility Failure. C2210-92 - ETM Hall Sensor Performance Or Incorrect Operation. C2220-54 - ETM Calibration Error Missing Calibration. C2020-01 - ECU Internal Fault - General Electrical Failure. This software update also includes the following enhancementsReduce Rear Drive Module (RDM) noise during disconnect phase at speeds above 45
full bulletin at NHTSA ↗1.4L FIRE Service Engine (Normally Aspirated) This engine in this kit will contain one of 8 different production full dress engines, but labeled as component engine 68275870AA or 71AA. The received engine will be configured for use with an automatic transmission, (includes auto transmission adapter plate / flexplate) or manual transmission. (includes flywheel / clutch asm) The received engine will be configured with or without a block heater. If required, dealer to purchase/install the block heater. The included instruction sheet K6855863AB in engine kit 68275870AA is to be followed for all applications that it applies. Please see the sheet for details. In addition to the items detailed in i
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 7 most recent
While using cruise control and resuming or increasing the speed to a higher speed, the transmission slams into gear instead of transitioning.
Since the first day I bought the car I have been having difficulty in switching to the 4th gear. Most of the times I have to apply considerably more pressure than other gears to switch to and use the 4th gear. I am not sure if this is related to the previously reported clutch problems. I got a recall letter and is scheduled to get my car serviced soon. I am hoping that this will also fix the 4th…
Tl* the contact owns a 2015 Fiat 500. The contact received notification of NHTSA campaign number: 16v302000 (power train). The part to do the repair was unavailable. The contact made an appointment with the dealer; however, once he arrived, the contact was informed that the parts were unavailable. The manufacturer was not made aware of the issue. The contact had not experienced a failure.
My vehicle has 37,000 miles when driving on the freeway vehicle got stuck in gear causing a safety concern, luckily I was able to make it home safely with the vehicle stuck in gear. There is a recall on my vehicle that says vehicle may get stuck in gear, I was never notified of the recall by Fiat, took vehicle to Fiat dealership and was told it has an internal gear failure inside the transmission…
Tl* the contact owns a 2015 Fiat 500. The check engine and transmission indicators illuminated without warning. On one occasion, the vehicle stalled without warning while driving various speeds. The vehicle was taken to Fiat of manhattan in manhattan, new york where unknown adjustments were made to the vehicle, but the failure recurred. The manufacturer was made aware of the issue. The failure…
While driving, one of the shift control cables came detached from the transmission. (manual transmission) this left me with only 3rd and 4th gear.
Tl* the contact owns a 2015 Fiat 500. The contact received notification of NHTSA campaign number: 16v302000 (power train). The part to do the repair was not available. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.
Had powertrain 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 powertrain problem on the 2015 FIAT 500?
It's a meaningful issue. 31 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $2,500.
At what mileage does the powertrain typically fail?
Across the 17 complaints that reported odometer mileage, most powertrain failures cluster between 28,300 and 65,000 miles, with the median around 50,650. A quarter of owners report trouble before 28,300; a quarter make it past 65,000. 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 $2,500 for powertrain 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 powertrain?
No active recalls currently cover powertrain 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.