1. Reconnect all previously disconnected components.
2. Cycle the ignition switch from the OFF to the ON position, with the engine OFF.
3. 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 Class 2 line?

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Go to No Communication with Electronic Brake and Traction Control Module

Go to Diagnostic System Check - Data Link Communications

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

Are there any current Diagnostic Trouble Codes?

--

Go to Step 4

Go to Step 5

Does the scan tool display a DTC that is undefined?

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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® 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