AutoCodes – GMC – P1BFF GMC

P1BFF GMC Code - Auxiliary Transmission Fluid Pump Motor Control Module Not Programmed

Quick Answer

This is an internal fault detection of the auxiliary transmission fluid pump control module. Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor 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: P1BFF GMC indicates Auxiliary Transmission Fluid Pump Motor Control Module Not Programmed.
Common causes: Common causes include Faulty Auxiliary Transmission Fluid Pump Motor Control Module, Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted, Auxiliary Transmission Fluid Pump Motor 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 847

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 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1BFF GMC Description

This is an internal fault detection of the auxiliary transmission fluid pump control module. The modules listed below are internal to the power inverter module and are not serviced separately. These faults are handled inside the hybrid powertrain control module and no external circuits are involved.

OBDII Code P1BFF GMC - Auxiliary Transmission Fluid Pump Motor Control Module Not Programmed - AutoCodes.com — P1BFF GMC Code - Auxiliary Transmission Fluid Pump Motor Control Module Not Programmed

What does this mean?

What are the Possible Causes of the DTC P1BFF GMC?

Faulty Auxiliary Transmission Fluid Pump Motor Control Module
Auxiliary Transmission Fluid Pump Motor Control Module harness is open or shorted
Auxiliary Transmission Fluid Pump Motor Control Module circuit poor electrical connection

How to Fix the DTC P1BFF 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 P1BFF 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 P1BFF GMC 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 P1BFF GMC Code

1. What are the common symptoms of OBDII code P1BFF GMC?

The common symptoms of code P1BFF GMC include transmission issues such as erratic shifting, delayed engagement, or transmission slipping.

2. What can cause the OBDII code P1BFF GMC to trigger?

The code P1BFF GMC is typically triggered when the Auxiliary Transmission Fluid Pump Motor Control Module is not programmed correctly or has a software issue.

3. How can I diagnose the OBDII code P1BFF GMC?

Diagnosing code P1BFF GMC involves using a professional OBDII scanner to retrieve the specific fault code and then checking the programming of the Auxiliary Transmission Fluid Pump Motor Control Module.

4. Can I continue driving my vehicle with the OBDII code P1BFF GMC?

It is not recommended to continue driving your vehicle with the code P1BFF GMC as it can lead to further damage to the transmission system.

5. What is the typical repair for OBDII code P1BFF GMC?

The typical repair for code P1BFF GMC involves reprogramming or updating the software of the Auxiliary Transmission Fluid Pump Motor Control Module.

6. Can I reset the OBDII code P1BFF GMC without fixing the underlying issue?

Resetting the code without addressing the underlying issue will only temporarily clear the fault code. The problem will likely resurface if not repaired.

7. Is it possible to fix the OBDII code P1BFF GMC myself?

Fixing the code P1BFF GMC may require specialized tools and knowledge, so it is recommended to have a professional mechanic diagnose and repair the issue.

8. How much does it cost to repair the OBDII code P1BFF GMC?

The cost of repairing code P1BFF GMC can vary depending on the labor rates and parts needed. It is best to get a few quotes from different repair shops.

9. Can a faulty battery cause the OBDII code P1BFF GMC to appear?

While a faulty battery can sometimes cause communication issues with control modules, it is less likely to directly trigger the P1BFF code. It is best to focus on checking and reprogramming the Auxiliary Transmission Fluid Pump Motor Control Module.

10. How long does it take to repair the OBDII code P1BFF GMC?

The repair time for code P1BFF GMC can vary depending on the extent of the issue and the availability of parts. It is best to consult with a professional mechanic for a more accurate estimate.