denny53 Posted August 1, 2021 Share Posted August 1, 2021 has anyone with Allison 4000 transmission have the code 6340 I think it has something with the service brake and the retarder. thanks Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now