1. Reconnect all previously disconnected components.
2. Turn OFF the ignition.
3. Turn ON the ignition, with the engine OFF.
4. Connect a scan tool to the data link connector (DLC).

Does the scan tool communicate with the EBTCM?

--

Go to Step 3

Go to Step 2

Does the scan tool communicate with other modules on the serial data class 2 line?

--

Go to No Communication with Electronic Brake Control Module/Electronic Brake and Traction Control Module

Go to Scan Tool Does Not Communicate with Class 2 Data Line in Wiring Systems

1. With the scan tool in ABS/TCS/ICCS Special Functions, run the Automated Test.
2. With the scan tool, read the ABS/TCS/ICCS DTCs.

Does the scan tool display any current Diagnostic Trouble Codes?

--

Go to Step 4

Go to Step 5

Does the scan tool display DTC that are undefined?

--

Go to Scan Tool Displays Undefined DTC

Go to Diagnostic Trouble Code (DTC) List

1. Remove the scan tool from the DLC.
2. Cycle the ignition switch from the OFF to ON position.

Does the DIC display the TRACTION OFF message?

--

Go to Traction Off Message Always On

Go to Step 6

Press the TCS On/Off switch to disable Traction Control.

Does the DIC display the TRACTION OFF message?

--

Go to Step 7

Go to Traction Off Message Inoperative

Does the DIC display the CHECK BRAKE PADS message?

--

Go to Check Brake Pads Message Always On

Go to Step 8

Is the Stabilitrak® still inoperative?

--

Go to Vehicle Stability Enhancement System Inoperative

Go to Step 9

Does the Stabilitrak® activate unwantedly?

--

Go to Vehicle Stability Enhancement System Unwanted Activation

Go to Step 10

Does the brake pedal vibrate excessively during Stabilitrak® activation?

--

Go to Vehicle Stability Enhancement System Excessive Brake Pulsation

System OK