P051B Fault Code

Engine Pre-Cranking:

Component / System

CPS - Rationality

Monitor Strategy Description

Crankcase Pressure Sensor evaluation

Fault Limit

Delta = Crankcase pressure reference pressure > 10 kPa

Enable Conditions

Engine Pre-Cranking
Key On Active
Battery Voltage > 8 VEngine Running
Engine Speed 450 - 750 RPM
Engine Torque 100 - 400 Nm

Disable Conditions

No Active DTC's:
P2226, P2227, P2229, P051A, P051C, P051D, P2578, P0105, P010

Time Required For P051B DTC To Be Set

4 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.