Volvo All Engines (2017 Emissions) Fault Code: P220093 PID: EMS NOx Sensor Bank 1 Sensor 1
Volvo All Engines (2017 Emissions) Fault Code: P220093 PID: EMS NOx Sensor Bank 1 Sensor 1
Circuit description
The NOx sensor measures the amount of NOx in the exhaust system. The NOx sensor is connected in the J2284/ISO data link. This diagnostic trouble code (DTC) indicates a NOx monitoring failure. For example; NOx sensor short- or open circuit, NOx sensor removed, NOx sensor missing signal.
Conditions for diagnostic trouble code (DTC)
Calibration value out of range
Internal NOx sensor heating failure
Observable symptoms
None
Probable cause
1) NOx sensor
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