Question

P0700 & p1685 code together on 2000 grand Cherokee jeep 4.7 v8 & its wont move when I change the gears

Answer 1

Hi there,

P0700 is letting you know other codes are stored. 

P1685 indicates an issue with the ignition key or immobilizer module. Here is some info for you.

P1685 JEEP - Invalid SKIM Key

Read more: https://www.autocodes.com/p1685_jeep.html