Def pressure sensor circuit failed low. Three faults in the past 35k miles.


Def pressure sensor circuit failed low. If that works then I would inspect suction line and pick up in tank for cracks. Check for I have a Fault code EEC61, spn4334, fm7. I'm curious about how much pressure should be present. 3662 4 Ambient and Inlet Manifold Pressure Difference (High Box) Proportional Valve Bank 1 Circuit Failed High Proportional Valve Bank 1 Circuit Failed Low Proportional Valve Bank 2 Circuit Failed High Proportional Valve Bank 2 Circuit Failed Low MCM Internal Injector Power Supply Failed High MCM Internal Injector Power Supply Failed Low Injector Cylinder #1 Spill Control Valve ("Amplifier . b. Freightliner OBD/OBD2 Codes >> Fault Codes for DD15 GHG14 ACM2. Spn 4334 Fmi 4 problem code is about Def Pressure Sensor Circuit Failed Low: Aftertreatment 1 Diesel Exhaust Fluid Doser Absolute Pressure Voltage Below Normal, Or Shorted To Low Source; Urea Pressure Signal Range Failed Low. DEF pressure sensor Mechanic's Assistant chat Customer: On my 2011 Cascadia with a DD13, I have a fault code EEC61, SPN4334, FM7. Verify repair. com Dec 9, 2015 · I'm having a recurring issue with the DEF pressure sensor. This diagnostic is typically Diesel Exhaust Fluid (DEF) Pressure Sensor Circuit Failed Low. Check as follows: 1. 3 SPN 4334/FMI 4 - GHG17 Diesel Exhaust Fluid Pressure Sensor Circuit Failed Low Table 3. Refer to section "Removal of the Aftertreatment Control Module". If SPN 4334/FMI 3 and SPN 3510/FMI 3 are present, repair short to voltage (greater than 5. NOTE: This code sets when the aftertreatment control module (ACM) detects that the diesel exhaust fluid (DEF) pump is not building 72 psi during a pressure build cycle (60 seconds). Three faults in the past 35k miles. No; repair the open circuit between pin 3 of the DEF pressure sensor and pin 84 of the 120-pin ACM connector. Also remove doser when doing pressure test to make sure it's not dumping the pressure out of the nozzle. See full list on thecampingadvisor. Yes; replace the DEF dosing unit. a. Verify repairs. I have checked for air pressure at both the DEF pump and the metering box. Has anyone else had this issue and how was it resolved? Nov 9, 2019 · DEF Pressure Low This code sets when the Aftertreatment Control Module (ACM) detects that the Diesel Exhaust Fluid (DEF) pump is not building 72 psi during a pressure build cycle (60 seconds). 1 Detroit DD13 EPA10 (2010-13) Fault Code: SPN 4334 FMI 7 (ACM) DEF Pressure Low NOTE: This code sets when the aftertreatment control module (ACM) detects that the diesel exhaust fluid (DEF) pump is not building 72 psi during a pressure build cycle (60 seconds). Refer to section "Removal of the GHG14 Dosing System Doser". Yes; repair the open circuit between pin 2 of the DEF pressure sensor and pin 99 of the 120-pin ACM connector. Two previous malfunctions were traced to the pneumatic switching value and I'm guessing this fault is the same malfunction. Feb 11, 2021 · Hey, try removing suction line from pump and hook up rubber hose with clamp and run it into a jug of def. No; replace ACM. The DEF pressure sensor circuit has failed low. 0V) between pin 8 of the DEF pressure sensor and pin 100 of the Aftertreatment Control Module (ACM) 120-pin connector. wksodx rrxk rawjm ysuq agxhurr ivwnxdz xekdw oiokh ekbjh zcdpi