P22FE Fault Code

P22FE NOx Sensor #2: Bad Device Monitor

Component / System

NOx Sensor #2 - Sensor Voltage High

Monitor Strategy Description

Bad Device

Fault Limit

Signal not valid for a specified time interval > 5 seconds

Enable Conditions

Engine Speed >550 RPM
Battery Voltage 11 - 16 V

Disable Conditions

No Active DTC's:
P2200, P2203, P220A, U029E

Time Required For P22FE DTC To Be Set

10 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.