Did you perform the Data Link Communications System Check?

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Go to Step 2

Go to Diagnostic System Check - Data Link Communications

1. Turn the ignition to the OFF position.
2. Disconnect the scan tool from the Data Link Connector (DLC).
3. Disconnect C1 from the Electronic Brake Control Module (EBCM).
4. Connect a J 39200 DMM between terminal F of the EBCM and terminal 12 of the DLC.

Is continuity present?

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Go to Step 3

Go to Step 4

Replace the EBCM. Refer to Electronic Brake Control Module Replacement Electronic Brake Control Module Replacement .

Is the repair complete?

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Go to Diagnostic System Check - Data Link Communications

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Locate and repair the open or cause of resistance in CKT 799 (TAN/WHT) between the EBCM and the DLC. Refer to Wiring Repairs .

Is the repair complete?

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Go to Diagnostic System Check - Data Link Communications

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