Part 1

Part 1: Make sure DTC C1179 is, or can be, stored in ABS self diagnosis.

1. Using CONSULT-II check ABS Self Diagnosis.

^ If DTC C1179 is stored this bulletin applies; go to Part 2.

^ If DTC C1179 is not stored go to the next step.

2. Turn the ignition OFF.

3. Make sure the transmission is in Park and the brake pedal is released.

IMPORTANT:
Do not push the brake pedal until step 6.

4. Start the engine and let it idle.

^ Keep the transmission in Park.

5. On CONSULT-II select ABS Data Monitor.

6. Slowly push the brake pedal approximately 2 inches then release.

NOTE:
2 inches is approximately half-way between the pedal "free height and depressed height".

7. Repeat step 6 ten times.

^ If DTC C1179 is detected (comes up on CONSULT-II) this bulletin applies; go to Part 2.

^ If DTC C1179 is not detected go to the next step.

8. Repeat steps 2 though 7.

^ If you have done steps 2 through 7 twice and DTC C1179 is not detected this bulletin does not apply. Go to ASIST for further diagnostic information.