October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Automatic Transmission Powertrain On Board Diagnostic System Check: Notes

WARNING: This page is about a different car, the 2001 GMC Safari and 2001 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Presence of DTCs which begin with "U" indicate some other module on class 2 serial data line is not communicating.