HOSE AS 5158456 - Caterpillar

Table 1
Diagnostic Trouble Codes
J1939 Code Code Description
(code descriptions may vary) Comments
3483-11 Initial Assembly Aftertreatment #1 Procedure Required Initial assembly of the aftertreatment system is complete or the Engine ECM or the A5:E2 Aftertreatment Controller was replaced.
3750-31 DPF #1 Conditions Not Met for Active Regeneration The operator did not allow enough time for regeneration to occur. The operator must respond when the DPF lamp is illuminated.
Table 2
Troubleshooting Test Steps Values Results
1. Check for Diagnostic Codes that are Active
A. Establish communication between Cat ET and the Electronic Control Module (ECM). Refer to Troubleshooting, "Electronic Service Tools", if necessary.
B. Download the "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
C. Check and record any event codes that are active or logged.
Diagnostic code
Result: A 3750-31 and 3719-16 diagnostic code is present, proceed to Test Step 2.
Result: A 3750-31 and 7504-16 diagnostic code is present, proceed to Test Step 3.
Result: A 3483-11 diagnostic code is present, proceed to Test Step 4.
2. A 3750-31 and 3719-16 Diagnostic Code is Present.
A. The operator did not allow a regeneration to occur or an automatic regeneration did not occur within the required time limit. The operator must respond when the DPF lamp is illuminated.
B. Perform a "Manual DPF Regeneration" using Cat ET.
Disabled Regeneration
Result: The "Manual DPF Regeneration" was successful.
Return the unit to service.
Result: The "Manual DPF Regeneration" was not successful.
Troubleshoot the active diagnostic codes.
3. A 3750-31 and 7504-16 Diagnostic Code is Present.
A. The operator did not allow a regeneration to occur or an automatic regeneration did not occur within the required time limit. The operator must respond when the DPF lamp is illuminated.
B. Allow machine to complete a desulfation regeneration, refer to Troubleshooting, "SCR Catalyst Sulfation Is Excessive" for the correct procedure.
Disabled regeneration
Result: The desulfation regeneration was successful.
Return the unit to service.
Result: The desulfation regeneration was not successful.
Troubleshoot the active diagnostic codes.
4. Initial Assembly Aftertreatment #1 Regeneration Required
A. Establish communication between the Caterpillar Electronic Technician (ET) and the engine Electronic Control Module (ECM).
B. Under the "Information" menu, select "Current Totals". Record the "Total Operating Hours".
Total operating hours
Result: The "Total Operating Hours" is less than 100 hours.
Complete an "Aftertreatment System Functional Test" using Cat ET to clear the 3483-11 code.
Result: The "Total Operating Hours" is greater than 100 hours.
Complete an "Ash Service Regeneration" using Cat ET to clear the 3483-11 code.
Complete the procedure in the order in which the steps are listed.