What’s this relay for?

[Power ut]

And what’s its purpose ?

 

[Dellmassive]

Looks like it might be the CAN disconect relay.

A security feature To disable a live CAN bus in the engine bay or outside of the shell of the van.

Stops external CAN bus attacks.


Maybe?

 

[Power ut]

Thankyou mainly as as I’m basicly trying to power the bcm module to to power heater controll to fuction but isn’t having any of it