SHAFT 3H2677 - Caterpillar

Table 1
Diagnostic Trouble Codes    
J1939 Code    CDL Code    Code Description    Comments    
3362-14     E114 (1)     Aftertreatment 1 Diesel Exhaust Fluid 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    
4374-5     3118-5    
4374-6     3118-6    
4334-16     E930 (2)    
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" in Cat® ET
A. Connect to the Engine #1 Aftertreatment Controller using Cat ET.
B. Proceed to "Aftertreatment Abnormal Shutdown History". Select the "Information" tab, then select the "History" tab in the Cat® ET menu.
C. Review the engine shutdown type for cold shutdown occurrences.
D. If the "Aftertreatment Abnormal Shutdown History" shows that the system was not allowed the full 2 minutes to purge, inform the operator to wait 2 minutes after key-off before turning the battery disconnect to the OFF position.
   
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 Engine #1 Aftertreatment Controller using Cat ET.
B. Check for associated diagnostic trouble codes.
   
Diagnostic Trouble Code    
Result: An associated diagnostic trouble code is present.
Repair: Troubleshoot the associated code.