I know this is a old thread but can't figure out how to post a new one I also have a lbz I have lf wheel speed sensor code and a rear speed sensor code along with p0880 tcm power input signal replaced both sensors an got new tcm still same problems shifting is messed up erratic speedo an service brake system
LBZ trans/TCM/speed sensor issues
- Thread starter addrake
- Start date
Moved your post into its own thread. For future reference, find the section appropriate to your question, when you are looking at the list of existing threads, look up to the upper left for "Post new thread" button. Click that and post away. 
Good luck.
Good luck.Moved your post into its own thread. For future reference, find the section appropriate to your question, when you are looking at the list of existing threads, look up to the upper left for "Post new thread" button. Click that and post away.
Thanks first forum I've joined
Think it mite be the TC Mike l ??? How do I check the reluctor wheel or where should I start around 65 that's when my speedo start jumping an shifting startss messing up