The brakelight sensor is located on the brake switch, which is on top of the brake pedal and held on with a 14mm jam nut.
You might need to replace the back-up light sensor, located under the dash, by the brake pedal. The correct term is "brake light switch" instead of "back up light sensor." And yes, it is located above the brake pedal.
I should be just above the brake pedal where the shaft of the pedal pushes up against the switch. It should be easy to adjust or replace
There is no brake light sensor. There is however a brake light switch. It may be mechanical, which would be located somewhere on the brake pedal lever. It can be bad or just out of adjustment. It can also be a pressure switch located on the master cylinder.
check fuses & brake lights switch located on brake pedal
brake light switch is above the brake pedal under the dash
look on the brake pedal lever.
Check the sensor on the brake pedal arm.
it is located to the right of the brake pedal
One may be located inside the master cylinder One may be located by the emergency brake pedal --upper end almost under dash
it is located on the pedal, look on the pedal you will see a black sensor with connector plug. this is it
It does not have a sensor, It has a switch and it is mounted just above the brake pedal.