P0521 Fault Code

Engine Pre-Cranking:

Component / System

OPS - Rationality

Monitor Strategy Description

Plausibility check of the sensor by comparing a high oil pressure condition to a low pressure condition.

Fault Limit

Low CheckOil pressure outside range 0 - 120 kPa

Enable Conditions

Low Check
Engine Speed 1600 - 1850 RPM
Engine Torque 0 - 300 Nm
Ambient Air Temperature -8 - 55 °C
Barometric Pressure 75 - 105 kPa
Coolant Temperature > 65 °CHigh Check
Engine Speed Delta 30 RPM
Engine Speed 1000 - 1300 RPM
Engine Torque 0 - 300 Nm
Engine Oil Temperature 80 - 120 °C
Ambient Air Temperature -8 - 55 °C
Barometric Pressure 75 - 105 kPa
Coolant Temperature > 65 °C

Disable Conditions

No Active DTC's:
P0520, P0523, P0195, P0197

Time Required For P0521 DTC To Be Set

100 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.