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Fiat · Known Issues

2017 Fiat Uno Problems: 4 Known Issues

2017 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2017 Fiat Uno has 4 documented known issues, with 2 rated critical. The most serious are Dualogic/GSR Automated Manual Transmission Faults and Neutral Drop-Out (Including 2019 Recall) ($350-$1,200 repair) and Fuel Pump Malfunction Causing Engine Stalling — Official Recall (Firefly 1.0/1.3, 2016-2017) ($0-$0 repair). Across all issues with published estimates, repair costs range from $40 to $1,200. DIY maintenance guides at au7o.io.

In This Article

  • Uno Transmission1
  • Uno Fuel System1
  • Uno Suspension1
  • Uno Electrical1
  • FAQ
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In This Article

  • Transmission1
  • Fuel System1
  • Suspension1
  • Electrical1
  • FAQ

All 4 Known Issues

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ALL YEARS202120202019201820172016201520142013201220112010

On the 2011-2019 Fiat Uno, the single-clutch automated manual offered on the Novo Uno (Dualogic on the 1.4 Fire Evo, GSR on the 1.3 Firefly 'Uno Drive') is the model's most expensive weak point. Chronic failure modes documented by Brazilian transmission specialists include worn or mis-calibrated clutch actuators causing slipping and jerky engagement, hydraulic pressure loss from leaks (pump shuts down, codes P0942/P2712), failed gear/clutch position sensors (P0805/P0806, P0715/P0725) and TCU faults that force the transmission into emergency mode or drop it into neutral while driving. It became serious enough that in 2019 Fiat recalled 11,669 vehicles across 8 models — including 916 Uno 1.3 GSR units, model years 2017-2018 (chassis 796635 to 835113) — because the transmission could shift to neutral involuntarily, causing sudden loss of drive.

This issue also affects: Chrysler LeBaron, Chrysler New Yorker, Jeep Cherokee

Common Symptoms

  • Transmission drops into neutral by itself while driving
  • Jerky or delayed gear engagement
  • Clutch slipping during shifts
  • Reverse gear refuses to engage
  • Gearbox warning light with transmission stuck in emergency mode

How to Fix

For 2017-2018 GSR cars: confirm the official recall (replacement of the gear selector sensor, ~1 hour, free) was performed. For chronic faults: scan the TCU for stored codes first; many problems are resolved by clutch actuator recalibration or replacement and hydraulic fluid/leak service rather than full transmission replacement. Worn clutches must be replaced with actuator recalibration. Use a shop experienced with Fiat Dualogic/GSR — incorrect calibration is a common cause of repeat failures.

Typical repair cost:$350 - $1,200

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2016-2017 Fiat Uno, fiat issued an official recall (announced via PROCON-SP) for the Uno with Firefly 1.0 and 1.3 engines, model years 2016/2017 (chassis range 9BD195A4NH0722618 to 9BD195A4NH0785160), for a malfunction in the fuel pump mechanism. The failure can cause irregular engine operation and unexpected engine shutdown while driving; on cars equipped with Start&Stop it can also prevent the system from operating correctly, compromising drivability and increasing collision risk. Beyond the recall population, hard starting and stalling on the Uno is a recurring owner complaint, often traced to the fuel pump and its electrical supply (oxidized ground terminal at the pump connector).

Common Symptoms

  • Engine runs irregularly or hesitates
  • Engine stalls unexpectedly while driving
  • Hard starting or long cranking
  • Start&Stop system behaves erratically or stops working

How to Fix

Free recall repair: engine control module software update; vehicles equipped with Start&Stop also receive a replacement fuel pump. Verify recall completion by VIN at a Fiat dealership or servicos.fiat.com.br/recall.html. For non-recall cars with hard-start or stalling symptoms, have the fuel pump pressure, pump relay and the pump ground terminal connections tested before replacing the pump.

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Typical repair cost:$0 - $0

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On the 2011-2021 Fiat Uno, persistent noise from the front suspension is a recurring complaint among Novo Uno owners on Reclame Aqui and the Clube do Uno Brasil forum, frequently accompanied by interior rattles from doors, window glass and trim. Owners report knocking and creaking over bumps — often from the right front — that persists even after multiple dealer visits, including on nearly-new cars (a documented 2021-model complaint reports suspension noise unresolved after two warranty services). Brazilian mechanics' channels covering the Uno point to the stabilizer bar link/pivot (bieleta/pivô da barra estabilizadora) and worn suspension bushings as the usual culprits, aggravated by rough Brazilian pavement; the parts are cheap wear items but the noise returns periodically.

Common Symptoms

  • Knocking from the front suspension over bumps and potholes
  • Creaking/squeaking at low speed on rough pavement
  • Noise often louder from one side (commonly right front)
  • Rattles from doors, window glass and interior trim
  • Noise returns weeks after dealer service

How to Fix

Diagnose with the car on the ground (links unloaded on a lift can mask play): typical fixes are replacing the stabilizer bar end links/pivots and stabilizer or control arm bushings, and checking shock absorber top mounts. Parts are inexpensive and widely available. For accompanying interior rattles (door panels, window glass channels), retorquing fasteners and applying felt/foam at trim contact points at a trim shop is the usual remedy — dealers rarely resolve it definitively.

Typical repair cost:$40 - $150

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Community Reported
Medium ConfidenceVerifiedReviewed Jun 2026

On the 2017-2021 Fiat Uno, on Novo Uno models with the Firefly 1.0/1.3 engine and the Start&Stop system (2017 onward), a very common complaint is the system silently going inactive: the engine stops shutting off at traffic lights and the cluster displays "Start-Stop Indisponível" (Start-Stop Unavailable). In the vast majority of cases the cause is the special EFB battery the system requires: once its state of charge or health drops below the threshold (charge status below ~76% is a common trigger, especially on cars driven mostly on short trips), the car disables Start-Stop to protect the battery. Owners are often surprised that the replacement EFB battery costs roughly double a conventional battery, and that fitting a cheaper standard battery makes the fault return quickly.

Common Symptoms

  • "Start-Stop Unavailable" message on the instrument cluster
  • Engine no longer shuts off when stopped in traffic
  • Fault appears mainly after short-trip driving
  • Slow cranking or weak battery behavior
  • Problem returns soon after fitting a conventional (non-EFB) battery

How to Fix

Have the battery's state of health and charge tested with proper equipment. If the battery is healthy but discharged (typical for short-trip use), a controlled recharge restores the system. If degraded, replace it with an EFB (or AGM) battery of the correct specification — a conventional flooded battery will cause the warning to return and ages rapidly under stop-start cycling. Some owners simply disable Start-Stop via the dashboard button each drive as a workaround, which has no mechanical consequence.

Typical repair cost:$140 - $280

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Low ConfidenceVerifiedReviewed Jun 2026
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Frequently Asked Questions

What are the most common Fiat Uno problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2017 Fiat Uno has 4 documented issues. The most frequently reported are: Dualogic/GSR Automated Manual Transmission Faults and Neutral Drop-Out (Including 2019 Recall), Fuel Pump Malfunction Causing Engine Stalling — Official Recall (Firefly 1.0/1.3, 2016-2017), Front Suspension Knocks and Squeaks (Stabilizer Links, Bushings) with Widespread Interior Rattles. Of these, 2 are rated critical and should be addressed promptly.

Is the Fiat Uno reliable?

The 2017 Fiat Uno has 4 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Dualogic/GSR Automated Manual Transmission Faults and Neutral Drop-Out (Including 2019 Recall) and Fuel Pump Malfunction Causing Engine Stalling — Official Recall (Firefly 1.0/1.3, 2016-2017). Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Fiat Uno problems?

Repair costs for known Fiat Uno issues range from $0 to $1,200, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Dualogic/GSR Automated Manual Transmission Faults and Neutral Drop-Out (Including 2019 Recall), typically costs $350-$1,200 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2011-2019 Fiat Uno Dualogic/GSR Automated Manual Transmission Faults and Neutral Drop-Out (Including 2019 Recall)?

The single-clutch automated manual offered on the Novo Uno (Dualogic on the 1.4 Fire Evo, GSR on the 1.3 Firefly 'Uno Drive') is the model's most expensive weak point. Chronic failure modes documented by Brazilian transmission specialists include worn or mis-calibrated clutch act… Repairs typically run $350-$1,200. Severity: high.

What is the 2016-2017 Fiat Uno Fuel Pump Malfunction Causing Engine Stalling — Official Recall (Firefly 1.0/1.3, 2016-2017)?

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

Fiat issued an official recall (announced via PROCON-SP) for the Uno with Firefly 1.0 and 1.3 engines, model years 2016/2017 (chassis range 9BD195A4NH0722618 to 9BD195A4NH0785160), for a malfunction in the fuel pump mechanism. The failure can cause irregular engine operation and… Repairs typically run $0-$0. Severity: high.

What is the 2011-2021 Fiat Uno Front Suspension Knocks and Squeaks (Stabilizer Links, Bushings) with Widespread Interior Rattles?

Persistent noise from the front suspension is a recurring complaint among Novo Uno owners on Reclame Aqui and the Clube do Uno Brasil forum, frequently accompanied by interior rattles from doors, window glass and trim. Owners report knocking and creaking over bumps — often from t… Repairs typically run $40-$150. Severity: low.

What is the 2017-2021 Fiat Uno "Start-Stop Unavailable" Warning — EFB Battery Degradation (Firefly 1.0/1.3, 2017+)?

On Novo Uno models with the Firefly 1.0/1.3 engine and the Start&Stop system (2017 onward), a very common complaint is the system silently going inactive: the engine stops shutting off at traffic lights and the cluster displays "Start-Stop Indisponível" (Start-Stop Unavailable). Repairs typically run $140-$280. Severity: low.