AutoCodes – GMC – P1AFB GMC

P1AFB GMC 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 GMC 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.

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Code Popularity 857

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 P1AFB 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 P1AFB GMC - Drive Motor 1 Control Module Programmable Logic Device Security Code - AutoCodes.com — P1AFB GMC Code - Drive Motor 1 Control Module Programmable Logic Device Security Code

What does this mean?

What are the Possible Causes of the DTC P1AFB 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 P1AFB 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 P1AFB 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.

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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 P1AFB GMC Code

1. What are common symptoms of OBDII code P1AFB in a GMC related to the Drive Motor 1 Control Module Programmable Logic Device Security Code?

- Common symptoms include reduced electric vehicle performance, warning lights on the dashboard, and potential vehicle stalling.

2. What are possible causes of OBDII code P1AFB GMC Drive Motor 1 Control Module Security Code?

- Possible causes may include a faulty drive motor control module, issues with the programmable logic device security code, or wiring problems.

3. How can I diagnose the OBDII code P1AFB in a GMC related to the Drive Motor 1 Control Module Security Code?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, checking the drive motor control module and related wiring for any visible damage, and testing the security code programming.

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

- It is not recommended to drive the vehicle with this code present, as it can lead to potential performance issues and safety concerns. It is best to address the problem promptly.

5. What repair steps can I take to fix OBDII code P1AFB GMC related to the Drive Motor 1 Control Module Security Code?

- Repair steps may include reprogramming the security code in the drive motor control module, replacing any faulty components, and ensuring all wiring connections are secure.

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

- DIY tips may include checking the fuses related to the drive motor control module, inspecting the wiring harness for any visible damage, and consulting the vehicle's service manual for specific troubleshooting procedures.

7. How much does it typically cost to repair OBDII code P1AFB GMC Drive Motor 1 Control Module Security Code?

- Repair costs can vary depending on the extent of the issue and the specific components that need to be replaced. It is recommended to consult a professional mechanic for an accurate estimate.

8. Can a faulty drive motor control module cause OBDII code P1AFB related to the Drive Motor 1 Control Module Security Code?

- Yes, a faulty drive motor control module can contribute to the appearance of this code, as it may affect the security code programming and overall functionality of the system.

9. Is it safe to reset the OBDII code P1AFB related to the Drive Motor 1 Control Module Security Code without addressing the underlying issue?

- It is not recommended to simply reset the code without diagnosing and repairing the root cause, as the issue may persist and potentially lead to further damage or safety risks.

10. How long does it take to repair OBDII code P1AFB GMC Drive Motor 1 Control Module Security Code?

- The repair time can vary based on the complexity of the issue, availability of parts, and the mechanic's expertise. It is advisable to consult with a professional for an accurate timeline.