sarahjung15
Fiorino solar sensor fault low heating output
Summary of the thread
A 2020 Fiat Fiorino is experiencing a solar sensor fault and reduced heating output. The issue may be linked to a defective daylight sensor or faulty cable connections. A similar problem was resolved by addressing a faulty connection, suggesting a professional inspection might be necessary. The problem was ultimately fixed by repairing the defective cable connection.
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4 comment(s)
sarahjung15 (community.author)
Yes, I gave the cable and plug a cursory look, but nothing jumped out at me. Could you be more specific about what you found when you checked yours? Was there any visible damage, or was it more subtle, like corrosion?
sinabrown1
Honestly, I'm not the most mechanically inclined, so I didn't dig too deep myself. I just wiggled the connector a bit, and the problem persisted. I figured it was beyond my abilities and took it to a workshop. They confirmed it was a faulty connection, cleaned it up, and everything worked fine afterwards. So, yeah, could be worth a proper inspection, or just get it checked by a professional. It's probably something simple.
sarahjung15 (community.author)
That's really helpful. I'll probably take it to a workshop then, as I don't have the tools to properly diagnose it myself. I'll post the resolution. The cable connection was indeed defective. Cost me 95€, all in.
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FIAT
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FIORINO
sinabrown1
I had a similar problem with my Fiorino, though I don't remember the exact error code. The heating was definitely underperforming. Did you check the cable and plug connection of the sensor itself? That was the culprit in my case.