AutoCodes – Chevrolet – P1B01 Chevrolet

P1B01 Chevrolet 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 Chevrolet 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 1,195

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

What does this mean?

What are the Possible Causes of the DTC P1B01 Chevrolet?

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 Chevrolet?

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 Chevrolet 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.

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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 Chevrolet Code

1. What are common symptoms of OBDII code P1B01 in a Chevrolet related to the Drive Motor 2 Control Module Programmable Logic Device Security Code?

- Common symptoms include loss of power, hesitation during acceleration, and illuminated warning lights on the dashboard.

2. What are some possible causes of OBDII code P1B01 in a Chevrolet?

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

3. How can I diagnose the OBDII code P1B01 in my Chevrolet related to the Drive Motor 2 Control Module?

- Diagnosis typically involves using a diagnostic scanner to retrieve the specific error code, checking the wiring connections, and verifying the security code programming.

4. Can I continue driving my Chevrolet with OBDII code P1B01 present?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the drive motor control module and affect the vehicle's performance.

5. Are there any DIY repair tips for addressing OBDII code P1B01 in a Chevrolet?

- DIY repair tips may include checking and securing wiring connections, performing a software update if available, or resetting the security code programming.

6. How much does it typically cost to repair OBDII code P1B01 in a Chevrolet at a professional auto repair shop?

- The cost of repair can vary depending on the exact cause of the code, but it may range from $200 to $500 for parts and labor.

7. Is it possible to reset the OBDII code P1B01 in a Chevrolet without fixing the underlying issue?

- While you can clear the code using a diagnostic scanner, it is essential to address the root cause to prevent the code from reoccurring.

8. Can a drive motor control module be repaired, or does it need to be replaced when dealing with OBDII code P1B01 in a Chevrolet?

- In some cases, the drive motor control module may be repairable by fixing wiring issues or reprogramming the security code. However, a replacement may be necessary for severe malfunctions.

9. Are there any recalls or technical service bulletins related to OBDII code P1B01 in Chevrolet vehicles?

- It is recommended to check with a Chevrolet dealership or service center to inquire about any relevant recalls or technical service bulletins for this specific OBDII code.

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

- Regular maintenance, including checking for software updates and ensuring proper wiring connections, can help prevent the recurrence of this OBDII code.