Description
OBD-II Trouble Code Description for P0422 Jeep
Main Catalyst Efficiency Below Threshold
What does this mean?
OBD2 Code P0422 Jeep definition:
The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. The high resolution is one of the most important inputs by the PCM for fuel control and timing. This test monitors the number of high resolution pulses which have been missed (not detected). It’s based on a comparison between the number of pulses that were detected since the last pump cam pulse and the number of the pulses that should have occurred. There are approximately 64 high resolution pulses for every cam pulse.
Symptoms
Possible sumptoms of OBD code P0422 Jeep
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0422 Jeep
– Open or short in the optical sensor circuit – Optical sensor connector – Damaged optical sensor – Damaged PCM or ECM The Error code is generally activated on detection of the following conditions: Some high resolution pulses are missing from the optical sensor to the PCM
Possible Solutions
– If damage, repair optical sensor circuit – Replaced optical sensor – Replaced PCM or ECM
The OBD2 Code Information Be Applicable For Jeep:
,2013 Jeep Wrangler Unlimited Moab,2013 Jeep Wrangler Rubicon 10th Anniversary,2013 Jeep Grand Cherokee Trailhawk,2012 Jeep Wrangler Unlimited Altitude,2012 Jeep Wrangler Freedom Edition,2012 Jeep Wrangler Dragon Concept,2012 Jeep Wrangler Call of Duty MW3,2012 Jeep Wrangler Arctic,2012 Jeep Wrangler,2012 Jeep Liberty Arctic,2012 Jeep Grand Cherokee SRT8,2012 Jeep Grand Cherokee Concept,2011 Jeep Wrangler Mojave,2011 Jeep Wrangler Call of Duty Black Ops,2011 Jeep Wrangler,2011 Jeep Patriot,2011 Jeep Grand Cherokee UK Version,2011 Jeep Grand Cherokee,2011 Jeep Compass,2009 Jeep Wrangler Unlimited EV,2009 Jeep Patriot EV,2008 Jeep Wrangler Unlimited UK Version,2008 Jeep Wrangler UK Version,2008 Jeep Renegade Concept,2008 Jeep Patriot Back Country Concept,2008 Jeep Liberty,2008 Jeep Grand Cherokee S-Limited UK Version,2008 Jeep Grand Cherokee Overland UK Version,2008 Jeep Grand Cherokee,2008 Jeep EV Concept,2008 Jeep Cherokee,2007 Jeep Wrangler Unlimited,2007 Jeep Wrangler Rubicon,2007 Jeep Trailhawk Concept,2007 Jeep Patriot UK Version,2007 Jeep Patriot,2007 Jeep Grand Cherokee UK Version,2007 Jeep Grand Cherokee SRT-8 UK Version,2007 Jeep Compass UK Version,2007 Jeep Compass,2007 Jeep Commander UK Version,2006 Jeep Grand Cherokee SRT8,2006 Jeep Commander 4×4 Limited 5.7 HEMI,2005 Jeep Wrangler UK Version,2005 Jeep Patriot Concept,2005 Jeep Liberty Renegade 3.7,2005 Jeep Liberty CRD Limited,2005 Jeep Hurricane Concept,2005 Jeep Grand Cherokee 5.7 Limited,2005 Jeep Gladiator Concept,2005 Jeep Compass Concept,2005 Jeep Cherokee UK Version,2004 Jeep Wrangler Unlimited,2004 Jeep Rescue Concept,2003 Jeep Treo Concept,2003 Jeep Grand Cherokee UK Version,2003 Jeep Cherokee UK Version,2003 Jeep Cherokee Renegade,2002 Jeep Willys2 Concept
Note:
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