P242B Fault Code

P242B Exhaust Gas Temperature Sensors: Post-DPF Rationality Check

Component / System

Post-DPF Temperature Sensor - Rationality

Monitor Strategy Description

Plausibility check of the sensor value

Fault Limit

Average DPF temperature deviation > 70 °C

Enable Conditions

Modeled Exhaust Temperature < 15 °C
Modeled DOC Temperature - DPF Temperature < 15 °C
Modeled DPF Temperature - Exhaust Temperature < 15 °C
Engine Torque > 800 Nm
Modeled Engine Exhaust Temperature 250 - 475 °C
Ambient Air Temperature -8 - 55 °C
Barometric Pressure < 105 kPa
Coolant Temperature > 65 °C

Disable Conditions

No Active DTC's:
P242C, P242A, P2032, P2031, P0544, P0545

Time Required For P242B DTC To Be Set

45 seconds

MIL Illumination

2 Drive Cycles

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