AutoCodes – GMC – P1B01 GMC

P1B01 GMC Code - Drive Motor 2 Control Module Programmable Logic Device Security Code

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the Hybrid Powertrain Control Module (HPCM). Common causes include Reprogram Power Inverter Control Module (PIM), Faulty Power Inverter Control Module (PIM), Power Inverter Control Module (PIM) harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P1B01 GMC indicates Drive Motor 2 Control Module Programmable Logic Device Security Code.
Common causes: Common causes include Reprogram Power Inverter Control Module (PIM), Faulty Power Inverter Control Module (PIM), Power Inverter Control Module (PIM) harness is open or shorted.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 930

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1B01 GMC Description

This diagnostic applies to internal microprocessor integrity conditions within the Hybrid Powertrain Control Module (HPCM). The HPCM and each Motor Control Module (MCM) utilize a Programmable Logic Device (PLD) to perform certain input and output functions. MCM 1 programs the PLD with software at every ignition ON event. MCM 1 and 2 verify that the PLD is programmed successfully.

OBDII Code P1B01 GMC - Drive Motor 2 Control Module Programmable Logic Device Security Code - AutoCodes.com — P1B01 GMC Code - Drive Motor 2 Control Module Programmable Logic Device Security Code

What does this mean?

What are the Possible Causes of the DTC P1B01 GMC?

Reprogram Power Inverter Control Module (PIM)
Faulty Power Inverter Control Module (PIM)
Power Inverter Control Module (PIM) harness is open or shorted
Power Inverter Control Module (PIM) circuit poor electrical connection

How to Fix the DTC P1B01 GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1B01 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1B01 GMC code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1B01 GMC Code

1. What are the common symptoms of OBDII code P1B01 in a GMC vehicle?

- Common symptoms include the check engine light illuminating, reduced engine power, and potential drivability issues.

2. What does the OBDII code P1B01 for Drive Motor 2 Control Module Programmable Logic Device Security Code mean?

- This code indicates a security issue with the control module for drive motor 2 in the vehicle.

3. What are the possible causes of OBDII code P1B01 in a GMC vehicle?

- Possible causes include a faulty drive motor control module, wiring issues, or a security code mismatch.

4. How can I diagnose OBDII code P1B01 in my GMC vehicle?

- Diagnosing this code typically involves using a professional OBDII scanner to retrieve the specific information related to the drive motor control module.

5. Is it safe to continue driving with OBDII code P1B01 present in my GMC vehicle?

- It is not recommended to continue driving with this code present, as it can lead to further damage and potential safety issues.

6. Can I reset the OBDII code P1B01 in my GMC vehicle myself?

- While you can attempt to reset the code using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code P1B01 in a GMC vehicle?

- The cost of repairing this code can vary depending on the specific cause, but it may involve replacing the drive motor control module or addressing wiring issues.

8. Are there any DIY tips for troubleshooting OBDII code P1B01 in a GMC vehicle?

- DIY tips may include checking for loose or damaged wiring connections related to the drive motor control module and ensuring the module is securely in place.

9. Can a faulty drive motor control module cause other issues in a GMC vehicle besides triggering OBDII code P1B01?

- Yes, a faulty drive motor control module can potentially cause other performance and drivability issues in the vehicle.

10. How can I prevent OBDII code P1B01 from occurring in my GMC vehicle in the future?

- To prevent this code from occurring, it is essential to regularly maintain the vehicle, address any warning lights promptly, and follow the manufacturer's recommended service schedule.