I been getting this code on my 2014 Volvo VNL 670 for quite a while and could never figure out what it is. Does the transmission have a brake switch somewhere? I been doing research but have not found anything good. I already changed out the brake switch that's underneath the panel below the steering wheel so I'm kind of lost at this point.
SPN-597 14 Brake Switch Transmission 1
Discussion in 'Volvo Forum' started by HopperHauler92, Nov 3, 2022.
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there is a brake switch on your brake pedal also there is one air switch in the manifold, the trans uses the brake switch on your brake pedal for operational purposes i dont know if this is the one you changed.
HopperHauler92 Thanks this. -
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possible both you should hear a slight click when you r just pressing the brake pedal, its also a very cheap switch to replace i think they are like 50 or maybe less remove right side plastic on top of gas pedal and you will see micro switch on brackett with spring on top of brake pedal.
HopperHauler92 Thanks this. -
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He's usually pretty busy, so I would ask the question now so you can get an answer quicker. Of all of the mechanics I have been to for Volvo trucks across the country, he has been the most knowledgeable. With a 4.9 review rating on Google, it seems that there are a lot of people that would agree with me.
Siinman Thanks this. -
Chances are I would have an answer for you even if I do not I should be able to point you in the right direction.
You can e mail me at truck.bros.nas@gmail.com if this is easier or post it up here.SeekingVOLVOVNLSpecialist and Siinman Thank this. -
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Siinman Thanks this.