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P1B15 CHEVROLET

P1B15 CHEVROLET - Regenerative Braking Torque Request Signal Message Counter Incorrect

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Reprogram Motor Generator Power Inverter Module
  • Faulty Motor Generator Power Inverter Module
  • Motor Generator Power Inverter Module harness is open or shorted
  • Motor Generator Power Inverter Module circuit poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1b15 Chevrolet Description

This 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.
OBDII Code P1b15 Chevrolet - Regenerative Braking Torque Request Signal Message Counter Incorrect - AutoCodes.com

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P1B15 CHEVROLET Comments

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