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May I have the Year of this Jeep?
May I have the actual "p-code" associated with this description?
Ok, all emissions related trouble codes should start with a "P". This vehicle should be able to run a self-diagnostic. Let's try and double-check that code.
Get in the vehicle, and close all the doors. Without starting the engine, cycle the ignition ON-OFF-ON-OFF-ON within 5 seconds. Where the odometer is should now be displayed "p-codes" (ie. P0123) - Can I have these codes?
Make sure to end in the ON position, and do it quickly- within 5 seconds.
If you don't get it on the first try, cycle the ignition OFF. Wait 10 seconds. Try again. On your first try, it can be tricky!