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Home >> Jeep >> 2014 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.0L & 2.4L - DTCS P2116 To U1418 >> Diagnosis And Testing >> P2271-O2 Sensor 1/2 Signal Biased Rich >> Set Condition

Set Condition

The Powertrain Control Module (PCM) detects that the sensor does not output a voltage greater than a calibrated high voltage value and less than a calibrated low voltage value within a specific time period. If the voltage pass values are not achieved after the total accumulated test time, a pending fault will be set. An active fault is matured on a second trip failure. Three good trips will turn off the MIL.