P225C Fault Code

P225C Inlet and Outlet NOx Sensor Stuck High

Component / System

NOx Sensor #1 - Rationality High

Monitor Strategy Description

Rationality High

Fault Limit

NOx sensor value > 200 PPM

Enable Conditions

Fueling Amount < 0.001 g/sec
Engine Torque < 1000 Nm

Disable Conditions

No Active DTC's:
P225D, P0400, P0402, P225F, P242A, P0421, P221A

Time Required For P225C DTC To Be Set

5 seconds

MIL Illumination

2 Drive Cycles

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Don't forget ! When a fault code pops up, Volvo's Uptime Center is automatically notified via an cellular link, and it alerts the truck's owner by prearranged methods, usually email or phone calls.