IsItAGoodCar
Reliability Guide

Common Problems with the
2024 Fiat 600 / 600e

The 600 arrived in UK showrooms in 2024 as a B-segment crossover on the Stellantis CMP platform. It launched as the 54kWh 600e and the 1.2 48V 600 Hybrid, in RED and La Prima trims.

What changed for 2024

  • •600e with a 54kWh battery, 156PS front motor, 100kW DC and 11kW AC charging
  • •600 Hybrid with a 1.2 turbo three-cylinder, 48V mild hybrid and six-speed e-DCT
  • •10.25-inch Uconnect touchscreen, digital instrument cluster and 385-litre boot
  • •RED and La Prima trims, with La Prima adding navigation, a reversing camera and keyless entry

Common MOT watch-outs

  • !First MOT due in 2027, so expect tyre wear and brake disc corrosion rather than test history
  • !Tyre sidewall damage and uneven front wear from the weight of the hybrid and EV versions
  • !LED headlamp aim faults after front-end work or kerb impacts
3
Known Issues
0
Serious
2
Moderate
1
Minor

All Known Issues

11kW AC On-Board Charger (OBC) Handshake Timeout on Domestic EV Tariffs

ModerateElectrics & Electronics

On electric 600e variants, the internal 11kW AC on-board charger can lose communication with certain UK smart home chargers (e.g. Ohme, Zappi) during off-peak scheduled overnight charging windows.

Est. Repair Cost: £0 (Software update)
Warning Signs:

EV stops charging overnight after 10–15 minutes, Solid red LED next to Type 2 charging socket, "Traction battery charging error" message on cluster

What to Inspect:
  • Test AC home charging cycle
  • Check Fiat dealer digital service history for OBC firmware updates
Verified by IsItAGoodCar Research TeamUpdated

e-DCT 6-Speed Dual-Clutch Transition Hesitation on 1.2 Hybrid

ModerateGearbox & Transmission

On 600 Hybrid models, the 48V mild-hybrid system paired with the 6-speed dual-clutch transmission can exhibit a slight hesitation or clunk when the petrol engine fires up to assist the 21kW electric motor under brisk throttle demands.

Est. Repair Cost: £0 (Software adaptation)
Warning Signs:

Hesitation when kicking down to overtake, Clunk from transmission tunnel when accelerating from 10mph crawl

What to Inspect:
  • Drive the hybrid at low speeds and test smooth engine start-stop transitions under varied throttle inputs
Verified by IsItAGoodCar Research TeamUpdated

10.25-inch Uconnect Infotainment Wireless Apple CarPlay / Android Auto Dropout

MinorInterior & Trim

The widescreen 10.25-inch Uconnect touchscreen can experience occasional Bluetooth/Wi-Fi wireless smartphone connection drops or temporary black-screen lockups when selecting reverse gear.

Est. Repair Cost: £0 (Software update)
Warning Signs:

Reversing camera image delayed by 3–5 seconds after engaging Reverse, Music playback stutters over wireless CarPlay

What to Inspect:
  • Pair a smartphone and test navigation, audio, and reverse camera response during the road test
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2024 Fiat 600 / 600e

  • Check the software version and confirm all over-the-air updates have completed
  • On the 600e, request a battery health report and test AC and DC charging
  • On the hybrid, drive at low speed and check the e-DCT engagement from cold