will a abs light cause derate?

You gotta be kidding? Not you.But if a truck derates because of a abs light then that's just ###### up!

 

I have had a abs light on my 06 international with ISX& 13 speed and it did not derate

 

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How much?

 

abs light will never cause a truck to derate unless its a messed up wiring issue with datalink and thats never usually the case. What will cause it to loose power and loose gas pedal is the tcs light which is in the same ecm as abs, if a sensor gives information to the truck that its slipping or something like that then you will loose gas pedal and the truck will try to slow down this is not a derate exactly, this is just truck thinking its avoiding accident. It will happen with steering angle sensor on volvo sometime when they have this sensor installed not all of them do, but when it makes problems you turn to the right no problem turn to left and truck tries to stop and tcs starts flashing.

 

I have the same truck 2006 Volvo D12
when I've had the abs light (with code) it runs just the same, no derate at all

i'll ask my dealer in about 2hr's about it when I pick mine up

 

I had all 4 drive wheel sensors replaced a couple weeks ago on my 07 VNL 670.
TCS light would flash and it acted just like a derate. intermittently cut out... and the cooling fan would run even when temp was at 180, and didn't have full power...giving the sense of derate.
Changing sensors fixed the problem.

 

An ABS fault typically only disable the ABS system on the wheels affected by the fault. You'll have normal, non-ABS brakes to the wheels with faults.