What do you mean more detailed discription of retrieving? Do you mean what do the codes mean or how to do it? You can find the code meanings on this forum and a lot of other places across the web. Note OBDII codes are pretty much universal and not Jeep specific. How OFF-ON-OFF-ON-OFF-ON. The code will be displayed in the odometer window Pxxxx
2003 TJ, 33" BFG AT, 2" BL, 2" BDS spring lift, Truck Lite headlights, Homemade sunrider top.