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Fiat 500X I faults

3 faults documented by at least two sources, listed by version then by mileage at onset when known.

Good choice, check first
Reliability
4.0/5

3 known faults

1.4 MultiAir 140

  1. MultiAir hydraulic module and turbo (1.4 MultiAir)

    Severity 2/3 · Costly

    The MultiAir module controls valve opening via oil pressure. Fiches-auto describes the 1.4 MultiAir 140 hp as the most sensitive engine in the 500X and the most frequently reported fault; Carverif recommends checking the hydraulic module and the turbo, and Caradisiac reports problems from as early as 50,000 km. Symptoms described: irregular idle, misfires and an engine warning light.

    Versions
    1.4 MultiAir 140
    Onset
    not documented
    Repair
    not documented

1.6 MultiJet 120

1.5 Hybrid 130 DCT

  1. Recall: brake pedal that may sink (1.5 Hybrid)

    Manufacturer recall

    An impact can disengage the brake pedal arm and its lever, which can cause the pedal to sink under braking. The recall concerns 500X mild hybrids built between 20 July 2023 and 27 June 2024; the pedal is reinforced at an approved workshop. Check with the serial number.

    Fixed free of charge by a dealer and not counted in the reliability score: ask for proof the work was done (invoice, or a VIN check at a dealer).

    Versions
    1.5 Hybrid 130 DCT
    Onset
    not documented
    Repair
    not documented

No recurring fault documented for: 1.0 FireFly 120, 1.3 FireFly 150 DCT.

Price and diagnose repairs

Read fault codes

An OBD scanner plugged in under the steering wheel shows stored fault codes, even with warning lights off: useful during the test drive.

Parts and maintenance

Compare prices of parts for the Fiat 500X I (timing, brakes, filters) to estimate the repairs to plan for.

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