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Circuit/System Testing

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the BPPS. With a DMM, measure the voltage at the BPPS Brake pedal position sensor 5-volt reference circuit.
    • If less then 5 volts, test the brake pedal position sensor 5-volt reference circuit for a short to ground or an open/high resistance. If the circuit/connections test normal, replace the BCM.
    • If more then 5 volts, test the brake pedal position sensor 5-volt reference circuit for a short to voltage. If the circuit/connections test normal, replace the BCM.
  2. If all circuits/connections test normal, replace the brake pedal position sensor.
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