1

Install a scan tool.

Does the scan tool power up?

Go to Step 2

Go to Scan Tool Does Not Power Up in Data Link Communications

1. Turn ON the ignition, with the engine OFF.
2. Attempt to establish communications with the Electronic Brake Control Module (EBCM).

Does the scan tool communicate with the control modules listed above?

Go to Step 3

Go to Scan Tool Does Not Communicate with Class 2 Device in Data Link Communications

Select the DRP/ABS/TCS/TIM/VSES display DTC function on the scan tool.

Does the scan tool display any DRP/ABS/TCS/VSES DTCs?

Go to Diagnostic System Check - ABS in Antilock Brake System

Go to Step 4

Does the scan tool display DTC C1245?

Go to DTC C1245

System OK