PIN AS 1865664 - Caterpillar

The Electronic Control Module (ECM) for the engine is not receiving complete information from the transmission ECM.System Response:The code is logged.Possible Performance Effect:
All features that depend on the Cat Data Link will be disabled.Troubleshooting:Test Step 1. Update the ECM Flash Files
Check that the most current version of the flash files have been installed in both the engine ECM and the transmission ECM. Expected Result:The flash files that are installed in the engine ECM and the transmission ECM are the latest version.Results:
OK - The flash files are the latest version.Repair: There may be an electrical problem with the data link circuit or in a connector. Refer to the diagnostic functional test Troubleshooting, "Cat Data Link Circuit - Test".STOP
Not OK - The flash files are not the latest version.Repair: Perform the following procedure:
Connect Caterpillar Electronic Technician (ET) to the service tool connector.
Obtain the latest version of the flash files for both the engine ECM and the transmission ECM. Note: The "Flash File Search" tool on the Service Technician Workbench (STW) can be used to obtain flash files. SIS Web can also be used to obtain the flash files by clicking the "Service Software Files" feature that is on the SIS Web web site.
Use Cat ET to install the flash files. Verify that the original problem has been resolved. STOP