P220B Fault Code

P220B NOx Sensor #2: Supply Voltage Out of Range

Component / System

NOx Sensor #2 - Sensor Voltage

Monitor Strategy Description

Sensor evaluation of supply voltage

Fault Limit

Time with voltage out of range signal > 5 seconds

Enable Conditions

Key On > Active

Disable Conditions

No Active DTC's:
U029E

Time Required For P220B 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.