P2203 Fault Code

P2203 NOx Sensor #1: Short Circuit Low

Component / System

NOx #1 Sensor - Short Circuit

Monitor Strategy Description

NOx Sensor Short Circuit

Fault Limit

Time with short circuit bad quality > 5 seconds

Enable Conditions

Key On Active
Battery Voltage > 8V

Disable Conditions

No Active DTC's:
U029D

Time Required For P2203 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.