C2.2 Engines For Caterpillar Built Machines Caterpillar

Data Link Configuration Status - Test

Usage:

239D BL9

Use this procedure to troubleshoot a diagnostic code for a special instruction. Use this procedure if one of the following diagnostic codes are active.

Note: Some of the following codes may not be applicable for certain applications.

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Table 1
Diagnostic Trouble Codes for the Data Link Configuration Status
J1939 Code	Code Description	Comments
639-14	J1939 Network #1 : Special Instruction	The data received from the CAN data bus is not in the correct format. A common reason for the code is the TSC1 throttle signal being sent at an incorrect rate or not terminated correctly by the machine controller. The code is logged.

Complete the procedure in the order in which the steps are listed.

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Table 2
Troubleshooting Test Steps	Values	Results
1. Check for an Associated Code A. Establish communication between the electronic service tool and the Electronic Control Module (ECM) for the engine. B. Check for active diagnostic codes.	Associated Trouble code	Result: A 639-14 code is present. Proceed to Test Step 2.
2. Check the Flash File for Compatibility with the Application A. Connect to the electronic service tool. B. Select the ECM connection that is related to the logged code. C. Check if the flash file is valid for the application.	Compatible flash file	Result: The flash file is valid for the application. Proceed to Test Step 3. Result: The flash file is not valid for the application. Repair: Obtain the correct flash file and update the ECM. Reset all active codes and clear all logged codes. Return the unit to service.
3. Check for Compatibility with Any Other ECM on the Data Link A. Use the as shipped information found in SIS web TMI to determine if any other ECM or display on the data link are incompatible. B. Select the ECM connection that is related to the logged code.	Compatible ECM	Result: The ECMs are not compatible. Repair:Replace the incompatible ECM with the correct module. Reset all active codes and clear all logged codes. Return the unit to service. If the procedure did not correct the fault, contact the Dealer Solutions Network (DSN).