HOSE 9Y1330 - Caterpillar

Table 1
J1939 Code and Description CDL Code and Description 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