How do you know if your brake pedal position sensor is bad?
Symptoms of a Bad or Failing Throttle/Accelerator Pedal Position Sensor
- Engine throttle is inconsistent. When you press down on the gas pedal, your engine should respond directly and instantly.
- Engine does not run efficiently.
- Check Engine Light comes on.
Where is the brake pedal switch located?
Where is a Brake Light Switch Located? As part of the brake-pedal assembly, you can find this switch under the dashboard or on the firewall near the top of the pedal lever. Replacing one is easy.
What is a brake pedal position switch?
What is the Brake Pedal Position Switch all about? This switch sends a signal to the brake lights on the rear of the car that light up to alert other drivers on the road that you’re slowing or stopping.
How to reset the brake pedal position sensor?
Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen. Navigate to the Configuration/Reset Functions menu of the ECM/HPCM. Select the Learn Functions menu. Select the Brake Pedal Position Sensor Learn procedure and follow the directions displayed on the screen.
What should I do if my brake pedal is not released?
With the brake pedal released, use the BPP sensor parameters to determine if the ECM has learned the BPP release position correctly. If the BPP sensor learned release position voltage does not match the BPP sensor voltage with the pedal in the released position, the ECM will need to have a BPP relearn performed.
Where is the locknut on the brake pedal?
Near the top of the brake pedal arm you will see a threaded pushrod that comes out of a rubber boot or metal housing on the front wall of the car and attaches to the back of the brake pedal arm. There is a locknut on the pushrod at the brake pedal end, and usually at the end near the front wall as well.
What should the height of the brake pedal be?
It should move about 1/8 to 1/4 of an inch before it starts to engage the brakes. If the pedal has no free play then it is constantly engaging the brakes, causing them to drag and wear prematurely. If there is too much play the brakes will feel soft and mushy. Slip under the dashboard on the drivers side and look up at the brake pedal.