Adjusting Jeep Barometer Pressure Sensor Reading

This bulletin applies to 2018 Jeep Renegade, Cherokee and Compass vehicles equipped with a 2.4L Multiair engine. The MIL may be on and the vehicle may go into limp-in mode due to an inaccurate barometric pressure sensor reading.

DTC P2226 (barometric pressure sensor) may be set. Using a scan tool, check for and address any other DTCs as needed and verify that DTC P2226 is present. If so, replace the PCM.