codes

[mollycooper]

I have a 1994 3500 auto with 65000 miles. The truck runs great but the ses light comes on sometimes.The codes are a 53 and 63.Does anybody have any ideas on these codes?

[DmaxMaverick]

Welcome to the Forums!

Have a look HERE (http://www.thedieselpage.com/password.htm) for the code key. You will also find diagnostic steps for the correction of most common issues (and some uncommon ones). What you need is at the bottom of the page. You will need a subscription (different username/password) to access some of the most highly prized TheDieselPage articles.