SWITCH 5343304 - Caterpillar

Table 1
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.    
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.
Table 2
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.
Table 3
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).