AutoCodes – Chevrolet – P1FAB Chevrolet

P1FAB Chevrolet Code - Hybrid/EV Battery Interface Control Module 10 Not Programmed

Quick Answer

When the Battery Energy Control Module is flash programmed, the Hybrid/EV Battery Interface Control Module operating software and calibrations are provided to the Battery Energy Control Module. Common causes include Reprogram Hybrid/EV Battery Interface Control Module, Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module 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
P1FAB Chevrolet indicates Hybrid/EV Battery Interface Control Module 10 Not Programmed.
Common causes
Common causes include Reprogram Hybrid/EV Battery Interface Control Module, Faulty Hybrid/EV Battery Interface Control Module, Hybrid/EV Battery Interface Control Module 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 976
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 P1FAB Chevrolet Description

When the Battery Energy Control Module is flash programmed, the Hybrid/EV Battery Interface Control Module operating software and calibrations are provided to the Battery Energy Control Module. The Hybrid/EV Battery Interface Control Module software and calibrations are then loaded to each of the Hybrid/EV Battery Interface Control Modules from the Battery Energy Control Module. This operation is automatic and requires no operator action. At this point, if any of the Hybrid/EV Battery Interface Control Modules are not programmed correctly, the appropriate DTC is set.
This fault is internal to the Hybrid/EV Battery Interface Control Modules and no external circuits are involved.
OBDII Code P1FAB Chevrolet - Hybrid/EV Battery Interface Control Module 10 Not Programmed - AutoCodes.com
P1FAB Chevrolet Code - Hybrid/EV Battery Interface Control Module 10 Not Programmed

What are the Possible Causes of the DTC P1FAB Chevrolet?

  • Reprogram Hybrid/EV Battery Interface Control Module
  • 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 P1FAB 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 P1FAB 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 P1FAB Chevrolet Code

What does the OBDII code P1FAB mean for a Chevrolet vehicle?

The OBDII code P1FAB indicates that the Hybrid/EV Battery Interface Control Module is not programmed correctly or is experiencing issues that prevent it from functioning properly.

What are some common symptoms associated with the P1FAB code?

Common symptoms include warning lights on the dashboard, reduced hybrid or electric vehicle performance, and possible failure to start or engage the hybrid system.

What could cause the P1FAB code to appear?

Causes may include a malfunctioning Hybrid/EV Battery Interface Control Module, incorrect programming of the module, software issues, or wiring problems related to the battery interface.

How can I diagnose the P1FAB code?

To diagnose the P1FAB code, use an OBDII scanner to confirm the code and check for additional codes. Inspect the wiring and connectors for damage, and ensure that the Hybrid/EV Battery Interface Control Module is correctly programmed.

What repairs might be necessary to resolve the P1FAB code?

Repairs may involve reprogramming or replacing the Hybrid/EV Battery Interface Control Module, fixing wiring issues, or addressing any software problems that may be present.

Can I drive my Chevrolet vehicle if the P1FAB code is present?

While you may be able to drive the vehicle, it is not recommended as the performance may be compromised, and it could lead to further damage to the hybrid system.

How can I prevent the P1FAB code from reoccurring?

To prevent the reoccurrence of the P1FAB code, ensure that any repairs or module programming are performed by a qualified technician and keep the vehicle's software up to date.

Is it safe to attempt to reprogram the Hybrid/EV Battery Interface Control Module myself?

It is generally not recommended to reprogram the module yourself unless you have the proper equipment and expertise, as incorrect programming can lead to further issues.

What should I do if I find additional trouble codes along with P1FAB?

If you find additional trouble codes, address those codes first, as they may provide more context or be related to the P1FAB issue, helping to narrow down the root cause.

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