marvinwilliams1

Fiat 124 immobilizer issue

Having a real headache with my 2016 Fiat 124, gasoline engine. It's got about 90k kilometers on it. The engine just won't start! Sometimes it'll fire up for a second and then die immediately. I even plugged in an OBD reader and it's showing an error related to the immobilizer. Anyone else had this issue?

A 2016 Fiat 124 with approximately 90,000 kilometers is experiencing starting issues, with the engine firing briefly before dying. An OBD reader indicates an immobilizer error, and the security light flashes on the dashboard. The problem is identified as a key programming issue, where the immobilizer fails to recognize the key. The suggested solution is to have the key reprogrammed at a workshop, which successfully resolves the issue.

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4 comment(s)

I had something similar happen with my 124. Does the security light flash on the dash when you try to start it?

Yeah, the security light is definitely flashing. What was the cause when you saw it? And how did you fix it?

For me, it ended up being a key programming issue. The immobilizer wasn't recognizing the key. I'd recommend taking it to a workshop that can reprogram it.

Thanks! Looks like you were spot on. The workshop confirmed the key wasn't properly programmed. They fixed it for 45€. Hopefully that sorts it!

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FIAT

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124