15444 1 Mariner LINK

Table 1
Diagnostic Trouble Codes
J1939 Code CDL Code Code Description Comments
5584-15 E390 (1) Fuel Filter Restriction The code is logged.
The filter (Secondary) is becoming clogged. Change the filter at the next regular maintenance.
5584-16 E390 (2) Fuel Filter Restriction The code is logged.
The filter (Secondary) is restricted.
The engine ECM will derate engine power.
Change the fuel filter.
6716-15 E1129 (1) Fuel Filter (suction side) Restriction The code is logged.
The fuel filter (Primary) is becoming restricted. Change the filter at the next regular maintenance.
6716-16 E1129 (2) Fuel Filter (suction side) Restriction The code is logged.
The fuel filter (Primary) is restricted.
The engine ECM will derate engine power.
Change the fuel filter. Probable Causes
Fuel Filters
Fuel filters
Table 2
Troubleshooting Test Steps Values Results
1. Determine the Code
A. Connect Caterpillar Electronic Technician (ET) to the service tool connector. Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine Electronic Control Module (ECM) before performing any troubleshooting or clearing diagnostic trouble codes.
C. Determine if a diagnostic trouble code is present.
Codes
Result: A 6716 or E1129 code is present.
Proceed to Test Step 2.
Result: A 5584 or E390 code is present.
Proceed to Test Step 3.
Illustration 1 g03599096
Typical Configuration
(1) Primary Fuel Filter 1
(2) Primary Fuel Filter 2
(3) Teritiary Fuel Filter
(4) Secondary Fuel Filter
Table 3
Troubleshooting Test Steps Values Results
2. Change the Primary Fuel Filters
A. Reset all active codes and clear all logged codes by cycling the keyswitch to the Off position. Change the primary fuel filters.
Do not fill the canister or the fuel filter before installation. The fuel can carry debris into the fuel filter and the fuel system may be damaged. The electric priming pump is designed to purge the trapped air in the new filters.
B. Prime the system with 2, 2 minute key cycles. This will allow the electric priming pump to prime the system.
C. Start the engine and allow the engine to idle for 7 minutes.
Primary fuel filters
Result: The code is no longer active
Return the unit to service.
Result: The code becomes active after changing the fuel filter.
The problem may be electrical. Refer to Troubleshooting, "Sensor Signal (Analog, Active) - Test" for the procedure to troubleshoot the circuit.
Table 4
Troubleshooting Test Steps Values Results
3. Change the Secondary and Teritiary Fuel Filters
A. Reset all active codes and clear all logged codes by cycling the keyswitch to the Off position. Change the secondary and teritiary fuel filters.
Do not fill the canister or the fuel filter before installation. The fuel can carry debris into the fuel filter and the fuel system may be damaged. The electric priming pump is designed to purge the trapped air in the new filters.
B. Prime the system with 2, 2 minute key cycles. This will allow the electric priming pump to prime the system.
C. Start the engine and allow the engine to idle for 7 minutes.
Secondary and teritiary fuel filters
Result: The code is no longer active
Return the unit to service.
Result: The code becomes active after changing the fuel filter.
The problem may be electrical. Refer to Troubleshooting, "Sensor Signal (Analog, Active) - Test" for the procedure to troubleshoot the circuit.
Complete the procedure in the order in which the steps are listed.If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).