“CAT ET 2026 Diagnostic Software” has been added to your cart. View cart
The NOx sensor measures the amount of NOx in the exhaust system. The NOx sensor is connected in the J1939-2 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.
Observable symptoms
1) None
Probable cause
1) Sensor not mounted in exhaust stream
2) Software
3) NOx sensor
Related products
-
Allison 1000 & 2000 Gen 5 Fault Code:P2761 TCC PCS Control Circuit Open
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0100 Lost Communication With ECM A
1000 & 2000 Gen 5
-
Volvo All Engines (2013 Emissions) Fault Code: P222601 PID: EMS Barometric Pressure Circuit
All Engines (2013 Emissions) -
Volvo All Engines (2017 Emissions) Fault Code: P269711 PID: EMS Exhaust Aftertreatment Fuel Injector “A”
All Engines (2017 Emissions) -
Volvo All Engines (2013 Emissions) Fault Code: P20DD01 PID: EMS Exhaust Aftertreatment Fuel Supply Control
All Engines (2013 Emissions)