The Electronic Brake Pedal Override uses a dual Brake Pedal Position (BPP) sensor (two sensors in one). The dual BPP sensor replaces the old style open/closed brake switch that has been used for years.
Tech Tip – New Dual Brake Pedal Position Sensor
Tech Tip – New Fuel Module Design
ACDelco recently made changes to several fuel modules to further enhance their performance. The timing of the changes for each part number has varied, but implementation of the changes began last summer.