For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 2000 🢒 Tahoe Z71 🢒 Body and Accessories 🢒 Data Link Communications 🢒 Scan Tool Does Not Communicate with Electronic Brake Control Module

Scan Tool Does Not Communicate with Electronic Brake Control Module for Chevrolet Tahoe Z71 2000

Scan Tool Does Not Communicate with EBCM (15000 GVW only)

Step	Action	Value(s)	Yes	No
1	Did you perform the EBCM Diagnostic System Check?	--	Go to Step 2	Go to Diagnostic System Check in Antilock Brake System
2	Turn the ignition to the OFF position. Disconnect the scan tool from the data link connector (DLC). Disconnect C1 from the electronic brake control module (EBCM). Connect a DMM between terminal F of the EBCM and terminal 12 of the DLC. Is continuity present?	--	Go to Step 3	Go to Step 4
3	Replace the EBCM. Refer to Electronic Brake Control Module Replacement in Antilock Brake System. Is the repair complete?	--	Go to Diagnostic System Check in Antilock Brake System	--
4	Locate and repair the open or cause of resistance in CKT 799 (TAN/WHT) between the EBCM and the DLC. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?	--	Go to Diagnostic System Check in Antilock Brake System	--