P0544 Fault Code

P0544 Pre-DOC Temperature Sensor: Open Circuit Check

Component / System

Pre-DOC Temperature Sensor - Open

Monitor Strategy Description

Open Circuit

Fault Limit

Sensor Voltage > 2.3 V

Enable Conditions

Key On Active
Battery Voltage > 8 V

Disable Conditions

No Active DTC's:
N/A

Time Required For P0544 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.