I've got the '97 855 GLT but the little home-brew code reader definitely works to reset the codes in the ECC. You have to be sure to read through all of the codes until the first one repeats, and then you can reset all of them. I wrote up a short guide to building and operating one of the code read...

Ecc unit on 850(s) still produce the flash codes,so Vol-fcr will not help you on this. Home build flash code reader is the way to go. Leave it without power for a while(10-15min)and that should reset it. If there is a permanent fault stored,you can't reset it untill it is solved. What do you mean b...

Hello everyone. I've been on a hunt to try and figure out how to reset the ECC in my 97 850R. I spent most the day yesterday trying to figure out a solution. I'd prefer not to go in and pay the dealer to reset it. Some of my findings have gone as follows. 1) Vol-FCR would be a great solution for my ...

How much for the ecc and damper motors for the defrost and foot damper?

Hey everyone. I'm hunting for a ECC unit, defrost damper motor and foot damper motor for my 1997 850R I'm getting quoted 1k for just the two motor from the dealership and that's not happening! It's getting cold here in Indiana and I really need my defrost to work. Let me know what you have and let's...

I finally just took the volvo in and got the codes read from the dealer. They're telling me that the two damper motors that control the defrost and the foot air are both dead. They also said that the ECC is receiving a signal however its not sending one. Is there a good place to purchase the damper ...

Ah! That's good to know. Mine are definitely flashing when I start the car. Any guidance on this would be greatly appreciated. Thanks!

Hello everyone, I'm pretty new to the Volvo world. So far I picked up a 1997 850R sedan with 150k on the clock so far since owning it I've replaced the blower motor, and put new tires on the car. The other morning I went to go to work and couldn't get my defrost to work. Air comes out the normal ven...