Table 16
Troubleshooting Test Steps
Values
Results
1. Diagnostic Codes
A. Establish communication between the electronic service tool and
the Electronic Control Module (ECM).
B. Check for active diagnostic codes.
Codes
Result:
A diagnostic trouble code is active or logged.
Troubleshoot any diagnostic codes that could have caused
an unsuccessful regeneration before continuing with this
procedure.
Result:
A diagnostic trouble code is not active or logged.
Proceed to Test Step 2.
2. Insulation on the Exhaust Duct (If Equipped)
A. Check the insulation on the exhaust duct between the engine
and the Clean Emissions Module (CEM). Make sure that insulation
is not missing or damaged.
Insulation
Result:
The insulation is missing or damaged.
Repair or replace the insulation on the exhaust duct.
Result:
The insulation is OK.
Proceed to Test Step 3.
3. Exhaust Leaks
A. Thoroughly inspect the exhaust duct between the engine and the
CEM for leaks. Ensure that all connections are secure and no leaks
are present.
Exhaust leaks
Result:
There are exhaust leaks.
Make the necessary repairs, Verify that the repair has elimi-
nated the fault.
Result:
The exhaust duct is OK.
Proceed to Test Step 4.
4. Manual Regeneration
A. Use one of the following methods to perform a manual
regeneration:
·
The
“
Force Regeneration
”
switch on the application (if equipped)
·
The
“
Particulate Filter Forced Regeneration
”
on the electronic
service tool
B. Use the electronic service tool to clear all logged diagnostic
codes.
Complete
regeneration
Result:
The regeneration completed successfully and there
are no active diagnostic codes.
Return the engine to service.
Result:
The regeneration did not complete successfully.
Contact the Dealer Solution Network (DSN).
i05992329
Diesel Particulate Filter
Collects
Excessive
Soot
This procedure covers the following diagnostic code:
Note:
This procedure is applicable to engines
equipped with a wall flow DPF only.
Table 17
Diagnostic Trouble Codes for Diesel Particulate Filter (DPF) Collects Excessive Soot
J1939 Code
Description
Notes
(continued)
UENR0612
49
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