Table 166
Diagnostic Trouble Codes for DEF Line Heater
J1939
Code
PDL Code
Code Description
(code descriptions may vary)
Comments
4354-5 3110-5
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #1 : Current Be-
low Normal
This code indicates that there is a fault in the #1 (suction) line heater
circuit that is probably an open circuit.
4354-6 3110-6
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #1 : Current
Above Normal
This code indicates that there is a fault in the #1 (suction) line heater
circuit that is probably a short circuit.
4355-5 3111-5
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #2 : Current Be-
low Normal
This code indicates that there is a fault in the #2 (delivery) line heater
circuit that is probably an open circuit.
4355-6 3111-6
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #2 : Current
Above Normal
This code indicates that there is a fault in the #2 (delivery) line heater
circuit that is probably a short circuit.
4356-5 3112-5
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #3 : Current Be-
low Normal
This code indicates that there is a fault in the #3 (return) line heater
circuit that is probably an open circuit.
4356-6 3112-6
Aftertreatment #1 SCR Catalyst Re-
agent Line Heater #3 : Current
Above Normal
This code indicates that there is a fault in the #3 (return) line heater
circuit that is probably a short circuit.
Follow the troubleshooting procedure to identify the root cause of the fault.
Note: Refer to Troubleshooting, “Component
Location” for the locations of the components listed in
this procedure.
Illustration 101 g03828378
Schematic diagram of the DEF line heater circuit
300 UENR4469-36
Circuit Tests
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
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