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Chris, Shop Foreman
Category: Jeep
Satisfied Customers: 3299
Experience:  Jeep Certified Master Tech
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A new question is answered every 9 seconds!!! I was just trying to see what these diagnostic

Customer Question!!! I was just trying to see what these diagnostic codes meant for my 1998 wrangler. P1388 and P0545
JA: Just to clarify, what's the exact code? And have you tried to reset it?
Customer: P1388 and PO545. codes given to me when I went in for a smog. To me, its running fine, lol
JA: Are you fixing your Wrangler yourself? What have you tried so far?
Customer: tried nothing. just want to know what these codes are for.
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 7 months ago.
Category: Jeep
Expert:  Jared D replied 7 months ago.


The P1388 isn't a good sign, normally it points to a bad PCM. Do you have any symptoms to go along with the light? Has it stalled out recently? Running funny?

Expert:  Jared D replied 7 months ago.

The P0545 isn't one I'm familiar with and it doesn't show up on any of the trouble code charts for this vehicle. You're certain that's the correct number?