Detroit DD15 GHG14 (2014-16) Fault Code: SPN 4374 FMI 1 (ACM) Over Pressurized DEF System
DESCRIPTION:
Over Pressurized Diesel Exhaust Fluid (DEF) System.
MONITORED PARAMETER:
DEF Pump Speed vs. DEF Pressure.
TYPICAL ENABLING CONDITIONS:
1. DEF pump enabled.
2. On-Off-Cycle request.
MONITOR SEQUENCE:
None
EXECUTION FREQUENCY:
Continuous when enabling conditions met.
TYPICAL DURATION:
2 minutes
DASH LAMPS:
1. MIL
2. CEL
ENGINE REACTION:
None
VERIFICATION:
ADS Self-Check.
NOTE: If any other codes are present, repair them first.
PROBABLE CAUSES:
1. Check connectors & wiring for: DEF dosing unit, DEF pump, Aftertreament Control Module, Chassis/ATS harness wiring/connector.
2. Contaminated DEF tank (Fuel, water, etc…).
3. Doser unit failure.
4. DEF return line failure.
5. DEF tank header failure.
Related products
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: P2773 Torque Control Request Ignored – ECM/TCM
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0218 Transmission Fluid Over Temperature Condition
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P0123 Pedal Position Sensor Circuit High Voltage
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: U1301 J1850 (Class 2) Serial Data Communication Link Low
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: U1000 Class 2 Loss of Serial Data Communication
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: P0848 Transmission Pressure Switch Solenoid D Circuit High
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: U1041 J1850 (Class 2) ABS Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P2771 Four-Wheel Drive Switch Circuit
1000 & 2000 Gen 4 $50.00
-
-
-
Sale!
Allison Transmission – WTEC 2 MD/HD/B SERIES TRANSMISSIONS
Allison Original price was: $20.00.$16.00Current price is: $16.00. -
-
-
-
-
-
-
