P0299 Fault Code
P0299 Boost Pressure: Underboost
Component / System
Boost Pressure Underboost
Monitor Strategy Description
Comparison of actual boost pressure to a modeled boost pressure
Fault Limit
Delta = Actual boost pressure Modeled boost pressure <
Enable Conditions
Engine Speed 1350 - 1700 RPM
EGR Position 10 - 96%
VGT Position 5 - 90%
Ambient Air Temperature -8 - 55 °C
Barometric Pressure 75 - 105 kPa
Coolant Temperature > 65 °C
Disable Conditions
No Active DTC's:
P0069, P0726, P0106, P0490, P045F, P045E, P2563, P0045, U010C, U040D,P2578, P2581, P2580, P0069, U010C, P2229
Time Required For P0299 DTC To Be Set
5 Seconds
MIL Illumination
2 Drive Cycles
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.
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