946 spider Electrical Problems! - Alfa Romeo Forum
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Location: United Kingdom
County: Swansea
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946 spider Electrical Problems!

Got a friends Alfa Spider 2008 2.4 with some electrical problems.

First being the brake switch code, P0504. Replaced it with a new switch and still exactly the same! brake lights works but this is preventing the cruise control to work!

Next is 2 codes for the Mass Air Flow sensor and Air temperature sensor. Replaced the MAF and still exactly the same, Measured Air Flow is no where near the required air flow and the intake air temperature is showing 1547'c.

Reverse light and parking sensors aren't working. Bulb is fine and no voltage getting to the bulb. Replaced the switch and still nothing at all!

And did I forget to mention that the roof isn't working? Coming up on the display as mechanism fault. managed to get to the motor and all 3 solenoids were very hot to the touch! Cant give any codes as my Strap-on souls pro won't go into any of the body modules on the Alfa.

Would appreciate any sort of help!
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