So I have recently purchased a 530d have gone to turn on the heated seats the lights flash and go out I got another seat to try and it’s still doing the same pluged it in and getting fault codes of 93cd no lin communication with heat seating have tried finding a module but can’t find one any ideas it’s also showing same fault for passenger side or were the location for the module is if it has one it’s 2007

 

Does anyone no if on my model it’s is controlled by the kgm module ?

 

The module is the button you're pressing to turn on the heated seat

 

That is turning on then going out which indicates a fault but I got no comunicAtion with the heated seats on have swapped seats still the same ?

 

You'd have to be more specific with the car you have. There's 2 different diagrams. One with and one without gateway. Do you have an E60 or E65

 

Sorry it’s an e60 2007 530d

 

LIN connection goes from center switch cluster (pin 3 to pin 1) then gateway (pin 15) to driverside heating module (pin 3). Location on driver side under seat just past the front cover. Kind of hard to explain

 

I can’t seem to find any modules under either of the seats just wires straight to underside of dashboard it’s frying my head 😹

 

Here's the diagram

 

Pics of driver module and gateway