Quick question--

What do the error codes 12 and 55 mean, and where can I find the list in my Hayne's Manual? Thanks

97 TJ 2.5

check out this link on the rock skullz board about this. has the entire list and the procedures for checking
http://www.rockskullz.com/phpBB2/viewtopic.php?t=394

12 power to PCM was disconnected within the last 50 key-on cycles.

55 is the last code flashed to indicate the completion of code display.