GASKET 6T8544 - Caterpillar

Table 1
Diagnostic Trouble Codes    
J1939 Code    CDL Code    Code Description
(code descriptions may vary)    Comments    
625-14     246-14     Proprietary Data Link : Special Instruction     The code is logged.    
5576-14     3468-14     Aftertreatment #1 Identification Number Module : Special Instruction     The code is logged.    
5577-14     3469-14     Aftertreatment #2 Identification : Special Instruction     The code is logged.    
5588-14     E1132 (2)     Proprietary Network #2 : Special Instruction     The code is logged.    
Table 2
Associated Diagnostic Trouble Codes    
J1939 Code     CDL Code    
639-9     247-9    
639-14     247-14    
1231-9     2348-9    
1231-14     2348-14    
1235-9     5856-9    
1235-14     5856-14    Complete the procedure in the order in which the steps are listed.
Table 3
Troubleshooting Test Steps    Values    Results    
1. Check for an Associated Code
A. Establish communication between the Cat® Electronic Technician (ET) and the Electronic Control Module (ECM) for the engine.
B. Download a "Warranty Report" from the engine ECM before performing any troubleshooting or clearing diagnostic trouble codes.
   
Associated Trouble Code
   
Result: An associated -9 or -14 code is active or logged.
Repair: Repair all associated -9 or -14 codes before continuing with this procedure. Refer to Troubleshooting, "Data Link - Test".
Result: A 3468-14, 3469-14, 5576-14, or 5577-14 code is active or logged.
Proceed to Test Step 2.
Result: A 246-14, 625-14, 5588 -14 or E1132 (2) code is active or logged.
Proceed to Test Step 3.
   
2. Check the Configuration Parameters
A. Check the Clean Emissions Module (CEM) serial number located on the CEM data plate.
B. Connect to Cat® ET.
C. Connect to the "Engine #1 Aftertreatment Controller". Under "Aftertreatment Configuration" in the Configuration Parameters, make sure that the "Factory Installed Aftertreatment Identification Number" matches the CEM serial number.    
Serial Number
   
Result: The CEM serial number matches the "Factory Installed Aftertreatment Identification Number".
Repair: Replace the Aftertreatment Identification module.
Verify that the problem is resolved.
Result: The CEM serial number does not match the "Factory Installed Aftertreatment Identification Number".
Repair: Verify that the correct CEM is installed on the engine. Program the CEM serial number into the "Factory Installed Aftertreatment Identification Number".
Verify that the problem is resolved.
   
3. Check the Software in the "Engine #1 Aftertreatment Controller"
A. Update the software in the "Engine #1 Aftertreatment Controller".
Note: This code indicates that the software in the Engine ECM and the "Engine #1 Aftertreatment Controller" do not match. If the software in one ECM was updated, and the other was not, this code will log.
   
Compatible Software
   
Result: The software updated successfully and the code changed to logged.
Return the unit to service.