HOSE AS 3820644 - Caterpillar

Table 1
J1939 Code CDL Code Comments
3361–8
Aftertreatment #1 DEF Dosing Unit : Abnormal Frequency, Pulse Width, or Period 3102–8
Aftertreatment #1 DEF Dosing Unit : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #1 Diesel Exhaust Fluid Control Unit (DCU) #1 detects an abnormal motor speed signal from the pump.
The code is logged.
4337-8
Aftertreatment 1 Diesel Exhaust Fluid Dosing Temperature : Abnormal Frequency, Pulse Width, or Period 3096-8
Aftertreatment 1 Diesel Exhaust Fluid Dosing Temperature : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #1 DCU #1 detects an abnormal temperature signal from the pump.
The code is logged.
4376-7
Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Not Responding Properly 3862-7
Aftertreatment 1 Diesel Exhaust Fluid Return Valve : Not Responding Properly The Aftertreatment #1 DCU #1 detects that the return valve is not responding properly.
The code is logged.
4390–8
Aftertreatment 2 Diesel Exhaust Fluid Doser 1 Temperature : Abnormal Frequency, Pulse Width, or Period 3098–8
Aftertreatment 2 Diesel Exhaust Fluid Doser 1 Temperature : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #2 DCU #1 detects an abnormal temperature signal from the pump.
The code is logged.
4442–7
Aftertreatment 2 Diesel Exhaust Fluid Dosing Unit 1 Diverter Valve : Not Responding Properly 5009–7
Aftertreatment 2 Diesel Exhaust Fluid Dosing Unit 1 Diverter Valve : Not Responding Properly The Aftertreatment #2 DCU #1 detects that the return valve is not responding properly.
The code is logged.
4451–8
Aftertreatment #2 DEF Dosing Unit : Abnormal Frequency, Pulse Width, or Period 3109–8
Aftertreatment #2 DEF Dosing Unit : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #2 DCU #1 detects an abnormal motor speed signal from the pump.
The code is logged.
7457–8
Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2 : Abnormal Frequency, Pulse Width, or Period 5032–8
Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2 : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #1 DCU #2 detects an abnormal motor speed signal from the pump.
The code is logged.
7460–8
Aftertreatment 1 Diesel Exhaust Fluid Doser 2 Temperature : Abnormal Frequency, Pulse Width, or Period 3097–8
Aftertreatment 1 Diesel Exhaust Fluid Doser 2 Temperature : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #1 DCU #2 detects an abnormal temperature signal from the pump.
The code is logged.
7462–8
Aftertreatment 2 Diesel Exhaust Fluid Dosing Unit 2 : Abnormal Frequency, Pulse Width, or Period 5033–8
Aftertreatment 2 Diesel Exhaust Fluid Dosing Unit 2 : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #2 DCU #2 detects an abnormal motor speed signal from the pump.
The code is logged.
7465–8
Aftertreatment 2 Diesel Exhaust Fluid Dosing 2 Temperature : Abnormal Frequency, Pulse Width, or Period 3099–8
Aftertreatment 2 Diesel Exhaust Fluid Dosing 2 Temperature : Abnormal Frequency, Pulse Width, or Period The Aftertreatment #2 DCU #2 detects an abnormal temperature signal from the pump.
The code is logged.
7536–7
Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2 Diverter Valve : Not Responding Properly 5008–7
Aftertreatment 1 Diesel Exhaust Fluid Dosing Unit 2 Diverter Valve : Not Responding Properly The Aftertreatment #1 DCU #2 detects that the return valve is not responding properly.
The code is logged.
7537–7
Aftertreatment 2 Diesel Exhaust Fluid Dosing Unit 2 Diverter Valve : Not