Technical Ambient temperature... Not the mirror sensor

[raneL500]

Temperature flat line went passage door is open ...i have changed sensor in the passage mirror......but no luck....have changed door harness..thinking its the door wiring ...still no luck.....anyone has any ideas
Need help
Have no AC for the hot summer

 

[jenspp00]

@raneL500 I have a faulty ambient sensor in our F500C - did you find the Fiat PN for the sensor, or which sensor did you use as a replacement