What causes P0455, P0456 code on Jeep, Dodge
Chrysler has issued service bulletin 25-002-15 REV. B to address a P0455, P0456 code on Jeep, Dodge vehicles listed below. The check engine light on these vehicles can illuminate and when scanned, reveal P0455, P0456 codes.
P0455 EVAP System Large Leak
P0456 EVAP System Small Leak
Chrysler has determined that a defective evaporative emissions purge valve hose is causing the problem due to a split in the hose. The split prevents the system from sealing properly so the computer thinks you have a leak.
Vehicles affected by service bulletin 25-002-15 REV. B
2015 (WK) Jeep Grand Cherokee
2015 (WD) Dodge Durango
The bulletin further applies to vehicles built on or after November 16, 2014 (MDH 1116XX) and on or before January 17, 2015 (0117XX).
Fix for P0455, P0456 code on Jeep, Dodge
If your build date and VIN matches what’s listed above, replace the parts shown below with updated Chrysler parts.
68189065AD Hose, Purge Valve for 5.7 EZH engine
68189075AE Hose, Purge Valve for 3.6 ERB engine
©, 2018 Rick Muscoplat
Posted on by Rick Muscoplat