Detroit DD15 EPA10 (2010-13) Fault Code: SPN 3251 FMI 2 (ACM) Diesel Oxidation Catalyst (DOC) Inlet Pressure – Not Plausible
DESCRIPTION:
This fault code sets when the pressure drop between the diesel oxidation catalyst (DOC) inlet pressure or diesel particulate filter (DPF) outlet pressure is not within an expected value.
MONITORED PARAMETER:
DOC inlet pressure sensor and DPF outlet pressure sensor.
TYPICAL ENABLING CONDITIONS:
Always on
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Two seconds
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
1. Drat 25%
2. EGR shut off
3. Regen inhibited
VERIFICATION:
Run engine between 1200 to 1800 rpm with a load less than 10%.
PROBABLE CAUSES:
1. DOC inlet pressure sensor.
2. DPF outlet pressure sensor.
3. Check all electrical connections upstream of the ECM.
4. DOC pressure sensor tube plugged.
5. DOC pressure sensor elbow plugged.
6. Perform stationary regen.
Related products
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0848 Transmission Pressure Switch Solenoid D Circuit High
1000 & 2000 Gen 4 $50.00 -
Bendix ABS EC-30 Fault Code: SID 251 FMI 3
Bendix ABS -
Allison 1000 & 2000 Gen 4 Fault Codes: P1688 Unmanaged Engine Torque Delivered To TCM Signal
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1301 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
-
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0873 Transmission Pressure Switch Solenoid E Circuit High
1000 & 2000 Gen 4 $50.00 -
-
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: U0031 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P1779 Engine Torque Delivered To TCM Signal
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0876 Transmission Reverse Pressure Switch Circuit Stuck Open
1000 & 2000 Gen 4 $50.00
