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So, according to dana/Spicer trouble shooting manual you are telling me you can't communicate with the system at all? I would assume there is a female plug to read ctis ECU then a separate plug to plug into the female vehicle bung... I was thinking that the dana/Spicer program would run the ctis...

So, I replaced a front wheel valve that was cracked.. This is the first time I ever had a solid highway light on the ECU! What are the pressures supposed to be, it aired me up to 90psi in highway mode.?.?.?

One thing I noticed about my ctis, it seems like it'll air down (deflate) without a problem. My problem comes when I try to air back up to a pressure above I. E. Going from sand to highway, my system shuts off (5 flashing lights) before it hits highway pressure. When it shuts off, all of my...

Thanks for the info, will definitely look into this when I get the new valve on!

Crap, this is terrible news.. Disappointing. I found one possible problem with my ctis, front driver side wheel valve is cracked at bottom of threads that holds the air tube from hub...new valve is coming today, hope this solves my problem... I doubt I'll be so lucky though... So hard to hear...

I am still up for renting to troubleshoot my ctis.

So, there aren't "pre-made" adapters to do this?

I found the placard on my dash, it has listed, Highway 55psi, OFF HIGHWAY 35psi, Mud, sand, snow 20psi.

Well, I am interested... We had light up night in the several communities around where I live, pulled the truck out to the end of the driveway and the kids sat in the troop seats to watch all the firetrucks, police cars, Santa, etc.. Anyhow as soon as I fire the truck up, highway flashes on CTIS...

What are the pre-programmed target pressures for the different modes, I. E. Emergency 10psi, sand 20 psi? I read them somewhere but can't find them again. Getting the adapter back would be a concern, I took a big gamble when I bought my truck, I sent cash with a carrier who I barely knew to...

Wow, already learning something new. Does that meet the ctis system still works with no lights on and the inability to see what mode is selected?

I recently purchased a m925a2, I am troubleshooting the CTIS, and would be very interested in "renting" the device. My CTIS came with the adapter bung disconnected from the ecu and was sold to me saying (ctis not working). Since digging in, I accidentally found that the unit gives me no lights...