Hello everyone! We get a lot of people asking us questions on Allison Transmissions, such as:
1) How do I rear/clear diagnostic trouble codes?
2) How do I troubleshoot codes?
3) How do I reset my transmission service light?
4) How do I tell which generation transmission I have?
We created a blog post that answers all those questions, plus it also has some free Allison Service & Troubleshooting manuals.
You can find the post here: http://blog.diesellaptops.com/2016/10/06/allison-transmission-generation-models-explained/
