{"id":48999,"date":"2026-04-18T11:31:44","date_gmt":"2026-04-18T09:31:44","guid":{"rendered":"https:\/\/www.italpassion.fr\/?p=48999"},"modified":"2026-04-18T11:31:44","modified_gmt":"2026-04-18T09:31:44","slug":"fiat-500e-has-a-defect-that-can-cause-an-explosion-this-specialist-calls-for-a-worldwide-recall","status":"publish","type":"post","link":"https:\/\/www.italpassion.fr\/en\/fiat\/la-fiat-500e-a-un-defaut-qui-peut-provoquer-une-explosion-ce-specialiste-reclame-un-rappel-mondial\/","title":{"rendered":"The Fiat 500e has a defect that can cause an explosion... this specialist calls for a worldwide recall"},"content":{"rendered":"
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Just a few days after mentioning the technical future of the electric Fiat 500<\/a>, a revelation has cast a pall over the Italian city car. And not from just anyone. The alert comes from EV Clinic, a leading European specialist in battery and electric motor repair. Their findings are disturbing: a design flaw could make the 500e potentially dangerous.<\/p>\n\n\n\n

An electrical \u201cbrain\u201d that can turn into a catastrophe<\/h2>\n\n\n\n

At the heart of the problem lies a component little-known to the general public, but essential to the car's operation: the IDCM\/OBCM\/AMP\/EVCC module. Behind this complex acronym lies the true electrical brain of the Fiat 500e. It groups together several critical components, such as the on-board charger, battery management and power controller.<\/p>\n\n\n\n

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According to EV Clinic, this module has a major flaw. It can allow coolant to seep inside its circuits. An explosive situation in a high-voltage electrical environment. Once in contact with 400-volt components, this liquid causes a short-circuit. The result can be spectacular: the casing can swell, blow up or even catch fire. The workshop even refers to a recurring behavior, ironically but disturbingly described as a \u201ckaa-boom\u201d phenomenon.<\/p>\n\n\n\n

A real risk for security systems<\/h2>\n\n\n\n

What makes this situation even more worrying is that this module doesn't just manage high voltage. It is also connected to the car's low-voltage network, which supplies essential equipment such as safety systems. In at least one case documented by EV Clinic, a failure resulted in the complete destruction of the low-voltage circuit. In practical terms, this means that components critical to passenger safety can be affected. So we're no longer just talking about an immobilizing failure, but a problem that can have direct consequences for safety.<\/p>\n\n\n\n

A costly breakdown... and almost beyond repair<\/h2>\n\n\n\n

As is often the case with modern electric vehicles, repairs are neither simple nor affordable. Replacing this module costs between 5,000 and 7,000 euros. A substantial sum for a city car. But the biggest problem lies elsewhere. Unlike many automotive parts, it is impossible to install a second-hand module. This component is electronically locked to the vehicle via several immobilizers, with VIN and key data stored in different memories. As a result, even a part from a crashed vehicle cannot be reused. A constraint that makes each breakdown particularly onerous financially for the owner.<\/p>\n\n\n\n

My wife's 500 also had a similar problem. It took nearly a year involving a lawyer and an auto expert to finally get Fiat to pay for the repairs. They also had to replace the high-power battery as the original wouldn't work with the new units. pic.twitter.com\/UGpcCtuhz2<\/a><\/p>- Arnaud Stelian (@Piloufa) April 17, 2026<\/a><\/blockquote>