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Volvo engine code DTC P2203
NOx Sensor #1: Circuit Monitors P2203 NOx Sensor #1: Short Circuit Low DTC P2203 Component / System NOx #1 Sensor - Short Circuit Monitor Strategy Description NOx Sensor Short Circuit Fault Limit Time with short circuit bad quality > 5 seconds Enable Conditions • Key On Active • Battery Voltage > 8V Disable Conditions No Active DTC's: • U029D Time Required For DTC To Be Set 10 seconds MIL Illumination 2 Drive Cycles