P1B15 CHEVROLET - Regenerative Braking Torque Request Signal Message Counter Incorrect
P1b15 Chevrolet DescriptionThis diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module. The hybrid powertrain control module is internal to the power inverter module, often referred to as the drive motor generator power inverter module and is not serviced separately. The hybrid powertrain control module monitors its ability to read and write to the memory. The hybrid powertrain control module processor monitors the data to verify that the indicated brake torque request calculation is correct.
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