Cummins ISB6.7 CM2350 (2013-17) Fault Code: 1686 PID: SPN: 3364 FMI: 3 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Above Normal or Shorted to High Source
Cummins ISB6.7 CM2350 (2013-17) Fault Code: 1686 PID: SPN: 3364 FMI: 3 Aftertreatment Diesel Exhaust Fluid Quality Sensor Circuit- Voltage Above Normal or Shorted to High Source
Circuit Description
The aftertreatment diesel exhaust fluid quality sensor is a smart device that communicates to the ECM via the J1939 datalink. The aftertreatment diesel exhaust fluid quality sensor performs its own internal diagnostics and reports malfunctions back to the primary engine contol module via the J1939 datalink. The aftertreatment diesel exhaust fluid quality sensor is used to measure the concentration of the aftertreatment diesel exhaust fluid in the tank.
Component Location
The aftertreatment diesel exhaust fluid quality sensor is located in the aftertreatment diesel exhaust fluid tank. It may be a combination sensor with the aftertreatement diesel exhaust fluid tank level and tank temperature sensors. Location of the tank and sensor is OEM dependant. Refer to the OEM service manual.
Conditions for Running the Diagnostics
This diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running.
Conditions for Setting the Fault Codes
The Aftertreatment DEF quality sensor reported an out of range high condition.
Action Taken When the Fault Code is Active
The ECM illuminates the amber CHECK ENGINE lamp immediately when the diagnostic runs and fails.
Conditions for Clearing the Fault Code
1)To validate the repair, perform a key cycle, start the engine and let it idle for 1 minute.
2)The fault code status displayed by INSITE? electronic service tool will change to INACTIVE immediately after the diagnostic runs and passes.
3)The ECM will turn off the amber CHECK ENGINE lamp immediately after the diagnostic runs and passes.
4)The Reset All Faults command in INSITE? electronic service tool can be used to clear active and inactive faults.
Possible cause:
1) Malfunctioning DEF Quality Sensor
Related
-
CLAAS WebTIC Offline [11.2021] Service Information – ENGLISH Language
CLAAS $100.00Rated 0 out of 5 -
PACCAR Electronic Service Analyst 5.4.3.0 SW files 27.03.2021 software trucks
PACCAR $60.00Rated 0 out of 5
-
Wabco ToolBox plus 13.7.0.1 + ECAS CAN2 v3.00 Diagnostics Software
Trucks software $84.00Rated 0 out of 5 -
Volvo PROSIS Offline 2019 Parts Catalog Installation Service
Trucks software $45.00Rated 0 out of 5 -
International Truck ISIS – Oncommand Service Information Q4.2020 [04.2020]
Navistar $85.00Rated 0 out of 5 -
DETROIT DDDL 8.14 SP3 – Detroit Diesel Diagnostic Link 8.14 SP3 2021 ( 1PC )
Detroit $73.00Rated 0 out of 5 -
Detroit Diesel Diagnostic Link DDDL 8.0 PRO PROFESSIONAL Software trucks
Detroit $25.00Rated 0 out of 5 -
Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
Trucks software $143.00Rated 0 out of 5