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2011 Buick Regal brake safety switch problems


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DavisBF
New User

Jun 12, 2019, 4:42 PM

Post #1 of 5 (268 views)
2011 Buick Regal brake safety switch problems Sign In

I installed a new switch and now I have no brake lights and a warning light referring to the emergency brake not fully working


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 12, 2019, 4:52 PM

Post #2 of 5 (260 views)
Re: 2011 Buick Regal brake safety switch problems Sign In

There is no "brake safety switch"

What did you install and for what reason.

What warning light?

If you have a code, what is the number?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



DavisBF
New User

Jun 12, 2019, 5:00 PM

Post #3 of 5 (256 views)
Re: 2011 Buick Regal brake safety switch problems Sign In

Brake light switch and the warning light is the brake warning light. I replaced the switch because the brakes wouldn’t come on unless the brake pedal went to the floor


(This post was edited by DavisBF on Jun 12, 2019, 5:05 PM)


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jun 12, 2019, 5:20 PM

Post #4 of 5 (244 views)
Re: 2011 Buick Regal brake safety switch problems Sign In

The new switch has to be calibrated using a professional scan tool.

Brake Pedal Position Sensor Calibration

Calibration Criteria

Note: Do not apply the brake pedal during the brake pedal position sensor calibration procedure. Any movement of the brake pedal during this procedure will cause the calibration procedure to fail. If this occurs, the brake pedal position sensor calibration must be repeated.

Brake pedal position sensor calibration must be performed after the brake pedal position sensor or body control module (BCM) have been serviced. The calibration procedure will set the brake pedal position sensor home value. This value is used by the BCM to determine the action of the driver applying the brake system and to provide this information to the vehicle subsystems via serial data.

Calibration Procedure

1. Apply the parking brake.
2. Place the transmission in the PARK position.
3. Install a scan tool.
4. Navigate to the Module Diagnosis menu.
5. Clear all BCM DTCs before proceeding.
6. Navigate to the Configuration/Reset Functions menu of the BCM.
7. Select Brake Pedal Position Sensor Learn.
8. Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



DavisBF
New User

Jun 12, 2019, 5:32 PM

Post #5 of 5 (233 views)
Re: 2011 Buick Regal brake safety switch problems Sign In

Ok I was hoping that it didn’t need to be calibrated and was a simple plug and play application but I was wrong. Thanks for the help






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