This bulletin applies to 2011 Jeep Compass/Patriot vehicles that are not equipped with air conditioning. The technician may find DTC P0533 (A/C pressure sensor circuit high is set in the PCM).
This bulletin applies to 2011-2013 Jeep Grand Cherokee vehicles equipped with the Quadra-Trac-TRAC II 4WD system or two speed on demand transfer case. Owners may indicate that they have experienced a driveline bump felt during acceleration at about 10 mph, the SERV 4WD message appears and the vehicle shifts from 4WD to 2WD, and/or binding of the front driveline while turning on steep grades at about 3-5 mph.
This bulletin applies to 2010 Jeep Liberty vehicles. The customer may complain that the radio will not change stations or frequency intermittently changes. The only function that remains is volume control.
This bulletin applies to 2010 Jeep Commander vehicles, where the customer experiences a rear defroster switch that takes a higher than desired engagement effort (too hard to engage).
This bulletin applies to 2014 Jeep Grand Cherokee vehicles equipped with a 5.7L engine and built before March 12, 2013, and equipped with the Parksense FT/RR Park Assist System.
This bulletin applies to 2013 Jeep Wranglers equipped with a 2.8L engine and built before Oct. 10, 2012. The customer may experience a no-crank/no-start condition. Upon diagnosis, the technician may find an active B2204 ECU configuration mismatch. This condition may be caused by the vehicle’s voltage dropping below 4.5 volts for greater than 200 msec. The WCM will lose information from the EEPROM. Lost information can include key programming.
Some 2014 Jeep Grand Cherokee models built on or before April 10, 2013, and equipped with Blind Spot Cross Path Detection may experience false warnings or erratic alerts.
Owners of 2011-2013 Jeep Grand Cherokee vehicles may complain about a driveline bump during acceleration at about 10 mph. The SEV 4WD message appears and the vehicle shifts from 4WD to 2WD.
This bulletin applies to 2011 Jeep Grand Cherokee vehicles. The A/C system may be inoperative or may lose charge. This may be caused by a weld issue inside the service port on the liquid side. This condition is difficult to diagnose since the A/C gauge set (when connected) will cover-up the leak point.
Owners of a 2014 Jeep Compass or Patriot equipped with a 2.0L engine, built on or after Feb. 4, 2012, or before April 14, 2013, and equipped with day time running headlamps, may note that the day time running lamps will not illuminate. No DTCs may be found.