p0455 the code is for inability to achieve a vacuum on system. Could be many items.
Did you have this code BEFORE replacing spark plugs?
NO - then you might want to look at vacuum lines on engine - the purge is shown attachment;
YES it was there before spark plugs - a smoke test is...
A quick look to assist you I was asked what is the 8th charactor of the VIN - engine trans. G or R etc.
As for EVAP codes - ECT as well fuel level may be a precondition
As for the p1695 you are aware NOT all codes will command CEL on?
Chrysler has a hail mary for BCM issues, .
hondas - No my yob.
Hope it helps -
Trouble Code Conditions:
Engine running and the PCM detected an Automatic Transaxle fault. Note: This trouble code (P0780) sets with along with several TCM related trouble codes.
So any other codes?
ok first diagram is just a reference - showing the area circled in the second diagram.
And yes I own jeeps, so easy to work on - ok the new owner fiat will put an end to that its a jeep - heated seats, steering wheels, really on a jeep.... IDK.