Technical FIAT 500L Trekking 1.3 MJet 85 hp- P0520 - 2013

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Technical FIAT 500L Trekking 1.3 MJet 85 hp- P0520 - 2013

Avdat

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Feb 27, 2025
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Location
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Greatings from Portugal

I have a FIAT 500L Trekking, 85hp from 2013 with 130.000 km.
I changed the entire transmission (chain, oil pump, water pump, etc.) with the corresponding oil change. After the change, and after a short time, the yellow light that says "Send engine control" appeared, with error P0520, I asked to also change the pressure switch, problem solved (I thought), until the error appeared again, after about a day. I asked the mechanic if there were any loose wires, any bad connections, and the answer was "No, everything is fine."
I delete the error, and it disappears for a while, and then appears again.
It may be subjective, but it seems that when I turn the steering wheel, regardless of whether it is to the left or right, and the curve is more accentuated, the error appears. At least it happened the last two times.

Could it be an electrical fault?
How to solve? Any ideas?
 
Model
FIAT 500L Trekking
Year
2013
Mileage
130000
Hello,

What have you read the error codes with?

I can see three P0520-xx errors:

1740709423002.png


All three of them are definitely electrical (wiring) problems.
 
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