P22FB Fault Code

P22FB NOx Sensor #1: Bad Device Monitor

Component / System

NOx Sensor #1 - 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

Disable Conditions

No Active DTC's:
P2200, P2203, P220A, U029D

Time Required For P22FB DTC To Be Set

Continuous

MIL Illumination

2 Drive Cycles

---

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.