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Discussion Starter #1
Fsm is kinda vauge on this system. Basically neither seats heat. No lights come on on the switches when you press hi or low heat on both seats.

The memory functions all work properly. The heated mirrors work properly. All power seat functions work properly. All fuses are ok, none blown... the power for the heated seats appears to be the same as the power seats..
Any ideas where to go 1st?

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Woober Goobers!
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If I remember the symptoms of no lights on the switches indicates a bad heating element within the seat.
 

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Discussion Starter #3
I'll have to check..
It doesnt work for both seats. I guess i could ohm out the seat heaters by checking which pins i need from the diagram.



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Woober Goobers!
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That's what I seem to remember, however I could very well be wrong. Both seats not working is strange but possible.

Both seat switches connect to the MHSMM directly. Could have a a bad Memory module. You need to check for voltage going to the switches and also their grounds. That's all in the FSM wiring diagrams.
 
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