P208E Fault Code

P208E Aftertreatment SCR Dosing Valve: Functional Check

Component / System

SCR Dosing Valve - Functional

Monitor Strategy Description

Pump duty cycle comparison between high and low DEF demand

Fault Limit

Delta = High DEF pump duty cycle - Low DEF pump duty cycle < 1.5%

Enable Conditions

High
DEF Pressure > 800 kPa
Dosing Valve Duty Cycle > 15%Low
DEF Pressure > 800 kPa
Dosing Valve Duty Cycle < 5%

Disable Conditions

No Active DTC's:
P2048, P2049, P204C, P204D, P204A, P208B, P208D, P208C

Time Required For P208E DTC To Be Set

100 seconds (7 sub evaluations. If 6 out of 7 are bad => FAIL, If 2 out of 7 are good => PASS)

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.