DEF Does Not Purge
Show/hide table
| Diagnostic Trouble Codes for DEF Does Not Purge | |||
|---|---|---|---|
| J1939 Code | CDL Code | Code Description (code descriptions may vary) |
Comments |
| 3362-14 | E114 (1) | Aftertreatment #1 DEF Dosing Unit Input Lines : Special Instruction | The DEF system did not completely purge after the engine was turned OFF. The code is logged. |
Show/hide table
| NOTICE |
|---|
Wait 2 minutes after the engine has stopped before turning the battery disconnect switch to the OFF position. The DEF system requires 2 minutes in order to purge diesel exhaust fluid (DEF) from system components automatically. Failing to complete the purge could damage the SCR system. |
Show/hide table
| Associated Codes | |
|---|---|
| J1939 Code | CDL Code |
| 4334-16 | E930 (2) |
| 4374-5 | 3118-5 |
| 4374-6 | 3118-6 |
| 4376-5 | 3862-5 |
| 4376-6 | 3862-6 |
| 5966-6 | 3965-6 |
| 6309-6 | 3966-6 |
Complete the procedure in the order in which the steps are listed.
Show/hide table
| Troubleshooting Test Steps | Values | Results |
|---|---|---|
1. Review the "Aftertreatment Abnormal Shutdown History" A. Connect to the ECM using the electronic service tool. B. Proceed to "Aftertreatment Abnormal Shutdown History". Select the "Information" tab, then select the "History" tab in the electronic service tool menu. C. Review the engine shutdown type for cold shutdown occurrences. |
DEF Pump |
Result: The system was not allowed 2 minutes to purge before the battery disconnect was turned to the OFF position. Inform the operator to wait 2 minutes after key-off before turning the battery disconnect to the OFF position. Return the unit to service. Result: The system was allowed 2 minutes to purge before the battery disconnect was turned to the OFF position. Proceed to Test Step 2. |
2. Check for Associated Diagnostic Trouble Codes A. Connect to the ECM using the electronic service tool. B. Check for associated diagnostic trouble codes. |
Diagnostic trouble code |
Result: An associated diagnostic trouble code is present. Repair: Troubleshoot the associated code. Refer to Troubleshooting, "Diagnostic Trouble Codes". Result: An associated diagnostic trouble code is not present. Contact the Dealer Solutions Network (DSN). |
Caterpillar Information System:
C7.1 Engines DEF Control Module Temperature Is High
2014/12/24 Revision to "Reports and Messages Not Available" Troubleshooting Procedure for Cat® Products with Cat® Product Link 121/321 {7606}
3512C and 3516C Engines Maintenance Interval Schedule - Prime Power
C13 Generator Set Engine Air Inlet Elbow - Remove and Install
2014/12/05 New Recommendations for Plumbing the Gear Oil Cooler on Certain C32 Marine Engines {3320}
2014/11/26 New Alternator for Certain C4.4 and C6.6 Engines {1405}
C13 Generator Set Engine Inlet Module (Catalyst) - Remove and Install
C4.4 and C7.1 Engines Cylinder Is Noisy
2015/01/30 New Bolts Are Available For Certain C175-16 Locomotive Engine Trunnion Mounts {1153, 1154}
2014/12/05 Bolted Flange Exhaust Is Now Used on G3520E Engines {1059}
2015/09/28 A New Clamp Assembly Is Used on Certain 3516 Engines {1071, 7231}
C3.4B Industrial Engine Coolant Level - Check
C7.1 Engines DEF Module Does Not Respond
C13 Generator Set Engine Engine Oil Filter Base - Remove and Install
G3600 A4 Engines Control Panel
G3600 A4 Engines Monitoring System
G3600 A4 Engines Configuration Parameters
G3600 A4 Engines Engine Operation
G3600 A4 Engines Electrohydraulic Actuator - Recondition
G3600 A4 Engines Electrohydraulic System - Inspect
C13 Generator Set Engine Engine Oil Cooler - Remove and Install
G3600 A4 Engines Electrohydraulic System Oil - Change
G3600 A4 Engines Electrohydraulic System Oil Filter - Change
C13 Generator Set Engine Engine Oil Pump - Remove and Install