jeep grand cherokee code p0455
KillaKeys17 Discussion starter. 188 posts · Joined 2009. #1 · Nov 5, 2010. P1687. No MIC BUS Message. No CCD/J1850 messages received from the Mechanical Instrument Cluster (MIC) Module. I have been having instrument cluster problemseverything goes to zero, and I've looked into it and some say its a ground problem, others say computer problem.The P0455 fault code indicates a large leak in the EVAP system. (Evaporative Emissions System) This could also be stated as a "gross leak". This fault code may lead you down the wrong path if not diagnosed properly. In some cases, a P0455 code can be an EVAP vent valve that is stuck open.
I had the P0455 code on my Jeep for over a year and couldn't seem to fix the problem. 2002 Slate Grey Grand Cherokee Overland 161k Bone Stock 2008 Black JK Sahara
Code P0455 Tech Notes. The P0455 code means that the control module has detected a small leak in the Evaporative Emission (EVAP). A loose fuel tank filler cap is the most common cause that will trigger the P0455 code. User Submitted Video.
When these adjustments become too large, the Jeep P0171 code is triggered. Although Code P0171 is not one of the Top 5 most common codes for any of the Jeep models we have data on it is a common code for a lot of cars across all makes. Feel free to check out the other common codes in our Jeep Top 5 DTC codes article. P0171 Causes
It then characterizes the leak as small, medium, or large, depending on how fast the pressure leaks down. Your P0455 code is a large leak, but the leak-down detection pump and the pressure monitoring sensors are all on the INTAKE side of the engine, not the EXHAUST. The rapid pressure decay that results in a P0455 code has the single commonest