AutoCodes – GMC – P1FAF GMC

P1FAF GMC Code - Hybrid/EV Battery Interface Control Module 9 Read Only Memory Performance

Quick Answer

The Hybrid/EV Battery Interface Control Module will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection. 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
P1FAF GMC indicates Hybrid/EV Battery Interface Control Module 9 Read Only Memory Performance.
Common causes
Common causes include Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module harness is open or shorted, Hybrid/EV Battery Interface Control Module circuit poor electrical connection.
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 638
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 27, 2020
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Code P1FAF GMC Description

The Hybrid/EV Battery Interface Control Module will diagnose its own systems and determine when a fault condition is present. This diagnostic applies to internal microprocessor integrity conditions within the Hybrid/EV Battery Interface Control Module. This fault is internal to the Hybrid/EV Battery Interface Control Module and no external circuits are involved.
OBDII Code P1FAF GMC - Hybrid/EV Battery Interface Control Module 9 Read Only Memory Performance - AutoCodes.com
P1FAF GMC Code - Hybrid/EV Battery Interface Control Module 9 Read Only Memory Performance

What are the Possible Causes of the DTC P1FAF GMC?

  • Faulty Hybrid/EV Battery Interface Control Module
  • Hybrid/EV Battery Interface Control Module harness is open or shorted
  • Hybrid/EV Battery Interface Control Module circuit poor electrical connection

How to Fix the DTC P1FAF 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 P1FAF 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 P1FAF GMC code?

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Need Help with the 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 P1FAF GMC Code

1. What are the common symptoms of OBDII code P1FAF in a GMC hybrid vehicle?

- Common symptoms include poor hybrid system performance, reduced fuel efficiency, and potential warning lights illuminated on the dashboard.

2. What could be the possible causes of OBDII code P1FAF related to the Hybrid/EV Battery Interface Control Module 9 Read Only Memory performance?

- The code may be triggered by issues such as a faulty battery interface control module, software glitches, or electrical connection problems within the hybrid system.

3. How can I diagnose the Hybrid/EV Battery Interface Control Module 9 Read Only Memory performance issue causing OBDII code P1FAF in my GMC vehicle?

- Diagnosis typically involves using a professional OBDII scanner to retrieve the specific code, checking the battery interface control module for faults, and inspecting the hybrid system components for any visible issues.

4. Are there any DIY repair tips for addressing OBDII code P1FAF related to the Hybrid/EV Battery Interface Control Module in a GMC hybrid vehicle?

- DIY repair options may be limited due to the complexity of hybrid systems. It is recommended to seek assistance from a qualified technician or dealership familiar with hybrid vehicle repairs.

5. Can resetting the OBDII code P1FAF related to the Hybrid/EV Battery Interface Control Module resolve the issue in a GMC hybrid vehicle?

- Resetting the code may temporarily clear the warning light, but it won't fix the underlying issue causing the fault code. Proper diagnosis and repair are necessary to address the problem effectively.

6. Is it safe to continue driving my GMC hybrid vehicle with OBDII code P1FAF related to the Hybrid/EV Battery Interface Control Module active?

- It is not recommended to ignore OBDII codes related to the hybrid system, as they can indicate potential issues that may worsen over time. Driving with unresolved faults could lead to further damage or safety risks.

7. How much does it typically cost to repair OBDII code P1FAF associated with the Hybrid/EV Battery Interface Control Module in a GMC vehicle?

- Repair costs can vary depending on the specific issue causing the fault code, the extent of the repairs needed, and labor rates. It's advisable to obtain quotes from reputable service centers for an accurate estimate.

8. Are there any recalls or technical service bulletins related to OBDII code P1FAF for GMC hybrid vehicles?

- It's recommended to check with GMC authorized service centers or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or technical service bulletins related to this specific OBDII code.

9. Can a drained hybrid/EV battery cause OBDII code P1FAF to appear in a GMC vehicle?

- A drained or faulty hybrid/EV battery can potentially contribute to the performance issues that trigger OBDII code P1FAF. It's important to ensure the battery is in good condition and properly charged to avoid related problems.

10. How long does it take to repair OBDII code P1FAF associated with the Hybrid/EV Battery Interface Control Module in a GMC vehicle?

- The repair time can vary depending on the complexity of the issue, availability of parts, and the technician's expertise. It's advisable to consult with the repair facility to get an estimated timeframe for the repair.

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