21612 Mercruiser NUT, JAM - OIL COOLER

Table 1
J1939 Code and Description CDL Code and Description Comments
3362-14
Aftertreatment #1 DEF Dosing Unit Input Lines : Special Instruction E114 (2)
Aftertreatment #1 DEF Dosing Unit #1 Input Lines Not Purged (2) Aftertreatment #1 DEF pump #1 did not completely purge the DEF system after the engine was turned off.
The code is logged.
4452-14
Aftertreatment #2 DEF Dosing Unit #1 Input Lines : Special Instruction E1664 (2)
Aftertreatment #2 DEF Dosing Unit #1 Input Lines Not Purged (2) Aftertreatment #2 DEF pump #1 did not completely purge the DEF system after the engine was turned off.
The code is logged.
7458-14
Aftertreatment #1 DEF Dosing Unit #2 Input Lines : Special Instruction E1663 (2)
Aftertreatment #1 DEF Dosing Unit #2 Input Lines Not Purged (2) Aftertreatment #1 DEF pump #2 did not completely purge the DEF system after the engine was turned off.
The code is logged.
7463-14
Aftertreatment #2 DEF Dosing Unit #2 Input Lines : Special Instruction E1665 (2)
Aftertreatment #2 DEF Dosing Unit #2 Input Lines Not Purged (2) Aftertreatment #2 DEF pump #2 did not completely purge the DEF system after the engine was turned off.
The code is logged.
Table 2
Associated Codes
J1939 Code CDL Code Troubleshooting Procedure
3361-5 3102-5 Troubleshooting, DEF Pump Motor - Test
3361-6 3102-6 Troubleshooting, DEF Pump Motor - Test
4334-15 3090-20 Troubleshooting, DEF Pressure Is High
4334-16 E930 (1) Troubleshooting, DEF Pressure Is High
4376-5 3862-5 Troubleshooting, DEF Return Valve - Test
4376-6 3862-6 Troubleshooting, DEF Return Valve - Test
4376-14 3862-14 Troubleshooting, DEF Return Valve - Test
4387-15 3091-20 Troubleshooting, DEF Pressure Is High
4387-16 E932 (1) Troubleshooting, DEF Pressure Is High
4442-5 5009-5 Troubleshooting, DEF Return Valve - Test
4442-6 5009-6 Troubleshooting, DEF Return Valve - Test
4442-14 5009-14 Troubleshooting, DEF Return Valve - Test
4451-5 3109-5 Troubleshooting, DEF Pump Motor - Test
4451-6 3109-6 Troubleshooting, DEF Pump Motor - Test
5966-6 3965-6 Troubleshooting, DEF Control Module Power - Test
5968-6 4801-6 Troubleshooting, DEF Control Module Power - Test
6309-6 3966-6 Troubleshooting, DEF Control Module Power - Test
6310-6 4802-6 Troubleshooting, DEF Control Module Power - Test
7457-5 5032-5 Troubleshooting, DEF Pump Motor - Test
7457-6 5032-6 Troubleshooting, DEF Pump Motor - Test
7459-15 5006-20 Troubleshooting, DEF Pressure Is High
7459-16 E1705 (1) Troubleshooting, DEF Pressure Is High
7462-5 5033-5 Troubleshooting, DEF Pump Motor - Test
7462-6 5033-6 Troubleshooting, DEF Pump Motor - Test
7464-15 5007-20 Troubleshooting, DEF Pressure Is High
7464-16 E1707 (1) Troubleshooting, DEF Pressure Is High
7522-6 4799-6 Troubleshooting, DEF Control Module Power - Test
7523-6 4800-6 Troubleshooting, DEF Control Module Power - Test
7533-6 4803-6 Troubleshooting, DEF Control Module Power - Test
7534-6 4804-6 Troubleshooting, DEF Control Module Power - Test
7536-5 5008-5 Troubleshooting, DEF Return Valve - Test
7536-6 5008-6 Troubleshooting, DEF Return Valve - Test
7536-14 5008-14 Troubleshooting, DEF Return Valve - Test
7537-5 5010-5 Troubleshooting, DEF Return Valve - Test
7537-6 5010-6 Troubleshooting, DEF Return Valve - Test
7537-14 5010-14 Troubleshooting, DEF Return Valve - Test
Wait 2 minutes after the engine has stopped before turning the battery disconnect switch to the OFF position. The Diesel Exhaust Fluid (DEF) system requires 2 minutes to purge DEF from system components automatically. Failing to complete the purge could damage the Selective Catalyst Reduction (SCR) system.
Table 3
Required Tools
Part Number Part Name Qty
372-5260 Test Lead Tool Group