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Volvo engine code DTC P22A1
NOx Sensor #2: Circuit Monitors P22A1 NOx Sensor #2: Short Circuit Low DTC P22A1 Component / System NOx #2 Sensor - Short Circuit Monitor Strategy Description NOx Sensor Short Circuit Fault Limit Time with bad signal quality > 5 seconds Enable Conditions • Key On Active • Battery Voltage > 8V Disable Conditions No Active DTC's: • U029E Time Required For DTC To Be Set 10 seconds MIL Illumination 2 Drive Cycles