Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Do you have a scan tool?
Did you calibrate the Brake pedal position sensor when you replaced it?
You need a high end scanner to calibrate the sensor. You need to start here. The parts store scanner will not do this function. Calibration may fix problem.
The BCM is what turns the light on. You would have to monitor BPP data to determine if BCM is faulty. It also needs to be programmed when installed and used will not work.