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Home >> Dodge and Ram >> 2012 >> Caliber SXT Plus, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> 2.0L - DTCS P2115 To U1418 >> Diagnosis And Testing >> P2271-O2 Sensor 1/2 Signal Biased Rich >> Set Condition:
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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.