DESCRIPTION:
Diesel Particulate Filter (DPF) outlet pressure sensor not plausible.
MONITORED PARAMETER:
Exhaust pressures
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. AWL
ENGINE REACTION:
None
VERIFICATION:
Parked regeneration
PROBABLE CAUSES:
1. DPF/DOC outlet pressure sensor.
2. DPF/DOC outlet pressure sensor harness/connector.
3. Check all connections upstream to the MCM (ATD 10-pin connector, vehicle interface module 31-pin connector, MCM 120-pin connector).
4. Emission defeat device installed on vehicle.
5. DPF outlet pressure hose assy.
6. Stationary regen.
7. DPF/DOC pressure sensor tubes.
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