812939 7 Mercury GASKET

Table 1
Diagnostic Trouble Codes for SCR Warning System Problem
J1939 Code CDL Code Code Description
(code descriptions may vary) Comments
5246-15 E1389 (1) Aftertreatment SCR Operator Inducement Severity : High - least severe (1) This code is a Level 1 inducement associated with an emission activated fault.
The Emissions System Malfunction Lamp is on.
5246-16 E1389 (2) Aftertreatment SCR Operator Inducement Severity : High - moderate severity (2) This code is a Level 2 inducement associated with an emission activated fault.
The Emissions System Malfunction Lamp is on and the Action Lamp is flashing.
The engine is derated.
5246-0 E1389 (3) Aftertreatment SCR Operator Inducement Severity : High - most severe (3) This code is a Level 3 inducement associated with an emission activated fault.
The Emissions System Malfunction lamp is on, the Action lamp is flashing, and the warning horn may sound.
The engine is derated.
The engine may stop. Associated Codes
Troubleshoot any associated diagnostic codes listed in Table 2 that are present. Refer to "Inducement Type" in Table 2 for the correct Inducement table.
Table 2
Associated Codes
J1939 Codes CDL Codes Code Description
(code descriptions may vary) Inducement Type
27–3 3407–3 EGR Control Actuator Position Sensor: Voltage Above Normal NRS Inducement
27–4 3407–4 EGR Control Actuator Position Sensor: Voltage Below Normal NRS Inducement
411–3 3387–3 Engine EGR Delta Pressure: Voltage Above Normal NRS Inducement
411–4 3387–4 Engine EGR Delta Pressure: Voltage Below Normal NRS Inducement
412–3 3386–3 Engine EGR Temperature: Voltage Above Normal NRS Inducement
412–4 3386–4 Engine EGR Temperature: Voltage Below Normal NRS Inducement
678–3 41–3 ECU 8 Volts DC Supply : Voltage Above Normal DEF Quality/Tampering/Dosing Interruption
678–4 41–4 ECU 8 Volts DC Supply : Voltage Below Normal DEF Quality/Tampering/Dosing Interruption
1235-9 5856-9 J1939 Network #3 : Abnormal Update Rate DEF Quality/Tampering/Dosing Interruption
1235-14 5856-14 J1939 Network #3 : Special Instruction DEF Quality/Tampering/Dosing Interruption
1761-1 E954 (3) Catalyst Tank Level : Low - most severe (3) DEF Tank Level Inducement
1761–12 3130–12 Aftertreatment #1 DEF Tank Volume : Failure DEF Tank Level Inducement
1761-17 E954 (1) Catalyst Tank Level : Low - least severe (1) DEF Tank Level Inducement
1761-18 E954 (2) Catalyst Tank Level : Low - moderate severity (2) DEF Tank Level Inducement
2791-5 3405-5 Engine Exhaust Gas Recirculation (EGR) Valve Control : Current Below Normal NRS Inducement
2791–6 3405–6 Engine EGR Valve Control: Current Above Normal NRS Inducement
2791–7 E1121 (2) Engine Exhaust Gas Recirculation 1 Valve 1 Control 1: Not Responding Properly NRS Inducement
3031-7 E1441 (2) Catalyst Tank Temperature : Not Responding Properly DEF Quality/Tampering/Dosing Interruption
3031–12 3134–12 Aftertreatment #1 DEF Tank Temperature : Failure DEF Quality/Tampering/Dosing Interruption
3031-16 E960 (2) Catalyst Tank Temperature : High - moderate severity (2) DEF Quality/Tampering/Dosing Interruption
3031-18 E1398 (2) Catalyst Tank Temperature : Low - moderate severity DEF Quality/Tampering/Dosing Interruption
3216-5 3002-5 Aftertreatment 1 Intake NOx : Current Below Normal DEF Quality/Tampering/Dosing Interruption
3216-6 3002-6 Aftertreatment 1 Intake NOx : Current Above Normal DEF Quality/Tampering/Dosing Interruption
3216-12 3002-12 Aftertreatment #1 Intake NOx : Failure DEF Quality/Tampering/Dosing Interruption
3217-16 E1407 (2) Aftertreatment #1 Intake O2 : High - moderate severity (2) DEF Quality/Tampering/Dosing Interruption
3226-5 3609-5 Aftertreatment 1 Outlet NOx : Current Below Normal DEF Quality/Tampering/Dosing Interruption
3226-6 3609-6 Aftertreatment 1 Outlet NOx : Current Above Normal DEF Quality/Tampering/Dosing Interruption
3226-12 3609-12 Aftertreatment #1 Outlet NOx : Failure DEF Quality/Tampering/Dosing Interruption
3227-16 E1408 (2) Aftertreatment #1 Outlet O2 : High - moderate severity (2) DEF Quality/Tampering/Dosing Interruption
3242-3 2452-3 Aftertreatment #1 DPF Intake Gas Temperature : Voltage Above Normal DEF Quality/Tampering/Dosing Interruption
3242-4 2452-4 Aftertreatment #1 DPF Intake