GLASS 8W6217 - Caterpillar

Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
The engine is equipped with an Electronic Control Module (ECM). The ECM contains no moving parts. Follow the troubleshooting procedures in this manual to be sure that replacing the ECM will correct the problem. Verify that the suspect ECM is the cause of the problem.Note: Ensure that the ECM is receiving power and that the ECM is properly grounded before replacement of the ECM is attempted. Refer to the schematic diagram.Use the electronic service tool to read the parameters in the suspect ECM. Record the parameters in the suspect ECM. Install the flash file into the new ECM. After the ECM is installed on the engine, the parameters must be programmed into the new ECM.
If the flash file and engine application are not matched, engine damage may result.
Perform the following procedure to replace the ECM.
Connect the electronic service tool to the diagnostic connector.
From the menu bar go to the following menu options:
Service
Copy Configuration
ECM Replacement
Click "Load From File" at the bottom of the screen.
Once the ECM data has been loaded, click "Save to File" at the bottom of the screen. Select a folder location and click "Save".
Remove the ECM. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Install the replacement ECM. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install".
Install the software on the new ECM. Refer to Troubleshooting , ECM Software - Install.
From the menu bar go to the following menu options:
Service
Copy Configuration
ECM Replacement
Click "Load From File" at the bottom of the screen.
Select the correct ECM replacement file. Check that the date and time stamp matches that of the desired replacement file and click "OK".
Click "Program ECM" at the bottom of the screen.
Once the "Programming Complete" dialog box appears on-screen, click "OK".
Check for logged diagnostic codes.