P1B15 GMC - Regenerative Braking Torque Request Signal Message Counter Incorrect

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3    What is this?
Table of contents

P1B15 GMC 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

How do I fix code P1B15 GMC?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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Cost of diagnosing the P1B15 GMC code

Labor: 1.0

The cost of diagnosing the P1B15 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1B15 GMC 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 Gmc - Regenerative Braking Torque Request Signal Message Counter Incorrect - AutoCodes.com

More Information

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