Where is the leak detection pump located on my 2009 Jeep Wrangler?

Question

P0456 OBDII code steady (not the gas cap, replaced multiple times).

Answer 1

P0456 Evap purge small leak

This type of vehicle you may not even have a leak detection pump, what it uses is the ESIM switch, (EVAP system integrity switch) ,which located on the charcoal canister, This code should be straight forward the purge solenoid  can be faulty.