P0402 Fault Code

P0402 EGR System (High Flow)

Component / System

EGR System - High Flow

Monitor Strategy Description

Compare demanded EGR flow to actual

Fault Limit

Ratio = (Measured EGR mass flow Modeled EGR mass flow) > 4.0

Enable Conditions

Engine Speed 600 - 1600 RPM
Engine Torque 400 - 2450 Nm
EGR Position 0 - 80 %
EGR Flow Demand 0 0.083 kg/s
Ambient Air Temperature -8 - 55 °C
Barometric Pressure 75 - 105 kPa
Coolant Temperature > 65 °C

Disable Conditions

No Active DTC's:
P0069, P046C, P0234, P0299

Time Required For P0402 DTC To Be Set

5 Seconds

MIL Illumination

2 Drive Cycles

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