AutoCodes – Buick – P1AFB Buick

P1AFB Buick Code - Drive Motor 1 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
P1AFB Buick indicates Drive Motor 1 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 920
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 05, 2020
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Code P1AFB Buick 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 P1AFB Buick - Drive Motor 1 Control Module Programmable Logic Device Security Code - AutoCodes.com
P1AFB Buick Code - Drive Motor 1 Control Module Programmable Logic Device Security Code

What are the Possible Causes of the DTC P1AFB Buick?

  • 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 P1AFB Buick?

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 P1AFB Buick 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 P1AFB Buick code?

Need more information on how to fix the P1AFB Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1AFB Buick code diagnosed by a professional: Find a repair shop in your area

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 P1AFB Buick Code

1. What are the common symptoms of OBDII code P1AFB in a Buick related to the Drive Motor 1 Control Module?

- Common symptoms include reduced power, decreased fuel efficiency, and potential difficulty starting the vehicle.

2. What are the possible causes of the OBDII code P1AFB related to the Drive Motor 1 Control Module in a Buick?

- The code may be triggered by a faulty Drive Motor 1 Control Module, issues with the programmable logic device security code, or wiring/connectivity problems.

3. How can I diagnose the OBDII code P1AFB in my Buick with regards to the Drive Motor 1 Control Module?

- Use a diagnostic scanner to read the code and perform a thorough inspection of the Drive Motor 1 Control Module, wiring, and connections for any visible issues.

4. Can I still drive my Buick with the OBDII code P1AFB related to the Drive Motor 1 Control Module?

- It is not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards.

5. What is the repair process for resolving the OBDII code P1AFB in a Buick concerning the Drive Motor 1 Control Module?

- Repairs may involve reprogramming the security code for the programmable logic device, replacing the Drive Motor 1 Control Module, or addressing any wiring faults.

6. Are there any DIY tips for troubleshooting the OBDII code P1AFB in a Buick related to the Drive Motor 1 Control Module?

- DIY tips include checking for loose or damaged wiring, ensuring proper connections, and consulting the vehicle's service manual for specific diagnostic procedures.

7. How much does it typically cost to fix the OBDII code P1AFB in a Buick associated with the Drive Motor 1 Control Module?

- Repair costs can vary depending on the exact cause of the issue, but expect to pay for parts and labor, which may range from a few hundred to over a thousand dollars.

8. Can resetting the OBDII code P1AFB related to the Drive Motor 1 Control Module in a Buick resolve the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to reappear.

9. Is it safe to ignore the OBDII code P1AFB concerning the Drive Motor 1 Control Module in my Buick?

- Ignoring the code can lead to performance issues, reduced fuel efficiency, and potential damage to other components, so it is best to address it promptly.

10. How long does it take to repair the OBDII code P1AFB in a Buick related to the Drive Motor 1 Control Module?

- The repair time can vary based on the specific cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem.

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