Question:
Hi Storey, Tom here, I purchased the Buddy Box 3. The first time I plugged it in last night it cycled through the red and blue then went to flashing green just like it’s supposed to and worked perfectly and then I took it in the house and plugged it into my PC and it downloaded the fault code perfectly as well and the only question I had was do you know what the code ” Vehicle has moved” means and how do I remedy this problem? The first time I used it back when I first got it it showed the code “exhaust valve stuck closed” and I attributed that problem to the -40 degree weather here in Calgary and moisture buildup in the air storage tank, which is a problem that I’m accustomed to being that I used to be a trucker and know that moisture buildup in a compressor is a common problem. I thought of putting a T-valve on the bottom of the airtank and dumping the air manually after use in winter.
Answer:
The exhaust valve stuck problem can certainly occur at cold temperatures. I would treat this as a watch and wait. If the problem consistently comes back, I would then begin to think about a possible leak in the system or a valve block rebuild.
Why?…
A leak in the system will prevent the EAS compressor from filling the tank quickly. The EAS computer will then begin to guess as to why this may be happening. One of the EAS computers ridiculous guesses is sometimes a stuck exhaust valve. Cold temperatures cause leaks in the system as rubber will loose its ability to seal properly against the sealing surfaces. The valve could indeed be stuck, but I think it could be a cold weather leak.
Vehicle has moved is not really a fault code, but rather a troubleshooting code. A perfectly healthy EAS with no leaks or problems, will throw the “Vehicle Has Moved” code.