Table 168
Diagnostic Trouble Codes for the DEF Pump
J1939
Code
PDL
Code
Code Description
(code descriptions may vary)
Comments
4374-5 3118-5
Aftertreatment #1 Diesel Exhaust Fluid Pump Mo-
tor Speed : Current Below Normal
This code indicates low current to the DEF pump motor.
The code is logged.
4374-6 3118-6
Aftertreatment #1 Diesel Exhaust Fluid Pump Mo-
tor Speed : Current Above Normal
This code indicates high current to the DEF pump motor.
The code is logged.
5706-5 3607-5
Aftertreatment #1 Diesel Exhaust Fluid Pump
Heater : Current Below Normal
This code indicates low current to the DEF pump heater.
The code is logged.
5706-6 3607-6
Aftertreatment #1 Diesel Exhaust Fluid Pump
Heater : Current Above Normal
This code indicates high current to the DEF pump heater.
The code is logged.
Follow the troubleshooting procedure to identify the root cause of the problem.
Table 169
Troubleshooting Test Steps
Values Results
1. Check that the latest available software is installed and
there are no applicable Technical Information Bulletins or
Special Instruction documentation released
A. Ensure that the latest software is installed on the engine ECM.
B. Ensure that the latest software is installed on the Dosing Con-
trol Unit (DCU)
If necessary, refer to Troubleshooting, “ECM Software - Install” for
the correct procedure.
C. Ensure all Technical Information Bulletins and/or Special In-
struction documented for the issue and/or product are reviewed
and followed.
Software and
Publications
Result: The latest software is not installed.
Repair: Install the latest engine ECM software and then
install the latest DCU software. If necessary, refer to
Troubleshooting, “ECM Software - Install” for the correct
procedure.
Start the engine and wait for 2 minutes.
If the fault is cleared, return the engine to service.
If the fault is still present, proceed to Test Step 2.
Result: Applicable Technical Information Bulletin/Spe-
cial Instruction publication is available.
Repair: Review and follow instructions provided in the
available publication.
Result: The latest software is installed.
Proceed to Test Step 2.
2. Determine the Diagnostic Code
A. Establish communication between the electronic service tool
and the engine Electronic Control Module (ECM). Refer to Trou-
bleshooting, “Electronic Service Tools”
B. Establish communication between the electronic service tool
and the Dosing Control Unit (DCU).
C. Look for active codes.
Diagnostic Trou-
ble Codes
Result: There is an active or logged XXXX-5 or XXXX-6
diagnostic code.
Proceed to Test Step 3.
(continued)
UENR4469-36 305
Circuit Tests
Copyright of Perkins Engine Company Limited. NOT FOR REPRINTING OR RESALE
To Next Page
Loading...
