P0506 Fault Code

P0506 Idle Engine Speed Rationality: Idle Speed Low

Component / System

Idle speed - Rationality Low

Monitor Strategy Description

Flywheel based idle speed validation

Fault Limit

Idle Speed < 525 RPM

Enable Conditions

Vehicle Speed < 0.1 km/h
PTO Not Active
Engine Torque < 400 Nm
Acceleration Pedal Position < 0.1%
Delay Time After Engine Start 60 seconds
Delay Time After Enable Condition Met 20 seconds
Ambient Air Temperature -8 - 55 °C
Barometric Pressure 75 - 105 kPa
Coolant Temperature > 65 °C

Disable Conditions

No Active DTC's:
P0117, P0115, P2229, P2226, P0340, P0335, P0262, P0265, P0268, P0271, P0274, P0277, P0201,P0202, P0203, P0204, P0205,

Time Required For P0506 DTC To Be Set

300 seconds (accumulated time at idle)

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.