Dealer ECM Clearing Reference Guide

Dealer ECM Clearing Reference Guide Part I  –  Clearing  Clearing ECM (TC Only) 1. ECM Clearing will only work on the following two types of ECMs with their corresponding suffix codes • A4E2V1: JZ, LA, LC • A4E4V2: JV, JW, JX, JY, LS, JL, JM • A4E4V3 Suffix Codes: LF, LG, LH, LJ, LK, LK, LL, LM, MC, MD, ME, MF, RA, RB, RC, RD, RE 2. Navigate to Winflash, Click on Utilities, and choose “Clear ECM Memory” 3. ECM Clearing will will only work on Non-Factory installed ECMs. ECMs. If you are are unsure if your ECM is factory installed, click click “Yes” and verify in the FPS screen that appears. Otherwise click “No” to continue with the ECM Clearing. You Clearing. You may also want to record the engine serial number and previously previousl y loaded flashfile in case of an issue during clearing. 4. Load the proper ECM Clearing file file in Winflash Winflash and flash the ECM. Do not interrupt  power during the clearing process or the ECM may become corrupted. 5. Return to Cat ET 6. The ECM Clearing Screen in Cat ET will appear. Click “Clear Memory” Memory” on the lower left hand side. 7. Click “Yes” to confirm and continue clearing. 8. You will then be prompted for a Factory Password. Follow your standard procedure for obtaining passwords. 9. Click “OK” to confirm that the the ECM was cleared. 10. Disconnect from Cat ET. The ECM is now cleared and can be used used for another application. A default interlock interlock code of 43690 has been programmed into into the ECM. Be sure to mark this ECM in some fashion to alert oth er users that this is a cleared ECM and will require additional setup.

Part II  –  Set Up Cleared ECM (TC or Technician) 11. In order to use this ECM for another application, you must reconnect to the ECM with Cat ET. When you reconnect, click the “Winflash” button. 12. Flash the new application software on the ECM in Winflash. 13. Once the flash completes, return to Cat ET. 14. The “Personality Module Mismatch” box appears. Click “Cancel” to continue setting up the ECM for the new application. 15. Navigate to the “Configuration” screen in Cat ET and program the correct “Engine Serial Number” for the new application. 16. You must then disconnect and then reconnect to the ECM with Cat ET. 17. The “Personality Module Mismatch” box appears again. This time click “OK”. 18. Click “OK” on the next “Personality Module Mismatch” box that appears as well, after verifying the new engine serial number is displayed. 19. You will then be prompted for another Factory Password. Follow your standard  procedure for obtaining passwords. 20. Once you have entered the Factory Password the process is complete. The ECM has now been successfully cleared, reflashed, and h ad the serial number reprogrammed to the appropriate new application. 21. Copies of this Procedure can be found on https://dealer.cat.com/FPSdma and https://dealer.cat.com/catet. For any questions on this process please contact: 

Jim Snodgrass o Phone: 1-800-447-4986 (TEEC) Email: [email protected] o