Detroit DD16 EPA10 (2010-13) Fault Code: SPN 4335 FMI 7 (ACM) DEF Metering Unit Air Pressure – Low
DESCRIPTION:
Diesel exhaust fluid (DEF) metering unit air pressure low.
MONITORED PARAMETER:
Diesel exhaust fluid (DEF) metering unit air pressure.
TYPICAL ENABLING CONDITIONS:
1. Engine rpm greater than 500.
2. Dosing enabled.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
Six seconds
DASH LAMPS:
MIL
ENGINE REACTION:
Derate 25%
VERIFICATION:
SCR air pressure test (test duration is 60 seconds).
PROBABLE CAUSES:
1. Vehicle not reaching 100 PSI.
2. DEF metering unit air pressure sensor.
3. Pressure limiting valve.
4. Flush DEF system.
![DOOSAN DMS-5 3.1.3 [2023.11] diagnostic software](https://i0.wp.com/www.ecuforcetruck.com/wp-content/uploads/2023/11/1.png?resize=300%2C300&ssl=1)
Related products
-
Allison 1000 & 2000 Gen 4 Fault Codes: P2771 Four-Wheel Drive Switch Circuit
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: U1301 J1850 (Class 2) Serial Data Communication Link Low
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: U1300 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1064 J1850 (Class 2) TBC Controller State of Health Failure
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 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1096 J1850 (Class 2) IPC Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U0032 J1850 (Class 2) Serial Data Communication Link High
1000 & 2000 Gen 4 $50.00 -
-
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: P0870 Transmission Pressure Switch Solenoid E Circuit
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1000 Class 2 Loss of Serial Data Communication
1000 & 2000 Gen 4 $50.00
