My air buzzer is staying on in my 06 4900 I put a new module in it but it stays on until it gets to 120 pounds them goes off as soon as it goes below 120 back on. Anyone know what could be the issue
I and anyone else need the last 6 of your vin to be able to look up your specific configuration to assist. IN addition, there are quite a few modules on your truck--so you need to be more specific. Even a picture of it would help.