HEAD 1072858 - Caterpillar

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Typical Screen of an Unresponsive ECM with the Plus+1 Service Tool for Caterpillar Connected.
The "System Scan" and "ECM Summary" windows can be used to help determine which ECM is unresponsive.
Table 2
Required Tools for the Plus+1 Service Tool for Caterpillar software
Part Number Description
300-7924 Communication Cable, CAN (DB9) to USB adapter
300-7925 Communication Cable As., DB9 PC Serial Port to 3-pin receptacle Deutsch connector adapter
484-9472 Adapter Cable As., 9-pin/14-pin Deutsch connector plug (Service Port) to 3-pin Deutsch connector plug adapter Note: The "Communication Adapter 3" cannot be used during the “ECM Recovery” procedure.The Machine Power and Key Switch must be in the ON position. The Engine should remain OFF.
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ECM Summary Screen
(14) "Check Correct Communication Adapter is Setup in Service Tool" Icon
Select the Plus+1 Service Tool for Caterpillar icon on your computer desktop when using the recovery cables. Cat® ET cannot be used with the recovery cables. Select the "Select Gateway" (Communication Cable Menu) icon (14).
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Select Gateway
(15) "Sauer-Danfoss CG150" Selection
(16) "OK" Button
In the "Select Gateway" window, select the "Sauer-Danfoss CG150" option (15) and click the "OK" button (16).
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Select "Sauer-Danfoss CG150" Channel
(17) "Set" Button
Then in the "Sauer-Danfoss CG150" window, click the "Set" button (17) to set this channel.The proper P1D diagnostic file must be selected in order to service the ECM correctly. If necessary, refer to Troubleshooting, "Using the Electronic Service Tool to Determine Diagnostic Codes". Follow the steps under “Service Tool Communication Settings and Connections”.Continue to the next step.
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Logging Data Screen
(18) "Menu" Icon
(19) "Recover ECU" Tab
Click the "Menu" (18) icon.
Click the "Recover ECU" (ECM) (19) tab.
Table 3
ECU (ECM) Description Application
39 Machine ECM SCOM_WBf Machine
40 Main Display Display
65 Compaction Control ECM
(if equipped) SCOM_WB2_Compaction
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Recover ECU
(20) "Specify ECU"
(21) "Recover..." ButtonNote: The “Net” value should be "0". The "Node" value represents the ECU (ECM) being recovered.
Select the "Specify ECU" (20) radio button to type in the appropriate ECU (ECM) requiring the recovery procedure. Refer to Table 3 for the correct ECU number.
Click the "Recover..." (21) button to start the recovery process.
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Recover ECU Message (Information)
Turn the machine start switch to the OFF position. Click the "OK" button on the "Information" screen, and immediately turn the machine start switch to the ON position.
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Recovering ECU
The “Recover ECU” (ECM) process window will appear as shown). Click the "Close" button once the recovery is successful.If the ECM fails to recover, the ECM may require replacement.Failure of the ECM is unlikely. Exit this procedure and perform this procedure again. Prior to replacing an ECM, always contact your dealership for possible consultation with Caterpillar. This consultation may greatly reduce repair time. If the ECM requires replacement, refer to Testing and Adjusting, "Electronic Control Module (ECM) - Replace".
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Recover ECU Caution Message
The Plus+1 Service Tool for Caterpillar will rescan the machine ECMs. The recovered ECM will now be listed as "0239" after recovery. The recovered ECM must be flashed with the correct software.A pop-up "Caution" will request to “Confirm new application type”. Type in the corresponding application type for the ECM being flashed. The application type