AutoCodes – GMC – P1F01 GMC

P1F01 GMC Code - Battery Charger Control Module Supply Voltage Sensor Circuit Low Voltage

Quick Answer

The battery charger will diagnose its own systems and determine when a fault condition is present. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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: P1F01 GMC indicates Battery Charger Control Module Supply Voltage Sensor Circuit Low Voltage.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger 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 1,040

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 Apr 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1F01 GMC Description

The battery charger will diagnose its own systems and determine when a fault condition is present. Diagnostics and system status is communicated from the battery charger to the hybrid/EV powertrain control module 2 through serial data. The hybrid/EV powertrain control module 2 is the host controller for Diagnostic Trouble Code (DTC) information. This DTC is for the battery charger are internal measurements that verify the charger is performing properly. The battery charger measures internal voltages, currents, and temperatures and verifies they are within the proper range.

OBDII Code P1F01 GMC - Battery Charger Control Module Supply Voltage Sensor Circuit Low Voltage - AutoCodes.com — P1F01 GMC Code - Battery Charger Control Module Supply Voltage Sensor Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P1F01 GMC?

Faulty Battery Charger
Battery Charger harness is open or shorted
Battery Charger circuit poor electrical connection

How to Fix the DTC P1F01 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 P1F01 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 P1F01 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 P1F01 GMC Code

1. What are the common symptoms of OBDII code P1F01 in a GMC vehicle?

- Common symptoms include issues with the battery charging system, dimming lights, difficulty starting the vehicle, and potential warning lights on the dashboard.

2. What can cause the OBDII code P1F01 to appear in a GMC vehicle?

- The code P1F01 typically indicates a problem with the Battery Charger Control Module Supply Voltage Sensor Circuit, often caused by a faulty sensor, wiring issues, or a failing battery charger control module.

3. How serious is the OBDII code P1F01 in a GMC vehicle?

- This code is considered moderately serious as it can impact the vehicle's charging system and overall performance. It is recommended to address this issue promptly to avoid potential battery-related problems.

4. What should I do if my GMC vehicle shows the OBDII code P1F01?

- It is advisable to have the vehicle diagnosed by a professional mechanic to pinpoint the exact cause of the issue. This will help determine the necessary repairs needed to resolve the code.

5. Can I still drive my GMC vehicle with the OBDII code P1F01?

- It is not recommended to drive the vehicle extensively with this code present, as it can lead to further electrical system issues and potential battery drain. It's best to address the problem as soon as possible.

6. How can I repair the OBDII code P1F01 in my GMC vehicle?

- Repairing this code may involve replacing the faulty Battery Charger Control Module Supply Voltage Sensor, repairing any damaged wiring, or replacing the battery charger control module if necessary.

7. Is it possible to reset the OBDII code P1F01 in a GMC vehicle without fixing the underlying issue?

- While clearing the code may temporarily turn off the warning light, the issue causing the code will likely persist. It is crucial to address the root cause to prevent further problems.

8. How much does it cost to repair the OBDII code P1F01 in a GMC vehicle?

- The cost of repairs can vary depending on the specific cause of the issue, parts needed, and labor costs. It is recommended to obtain estimates from reputable mechanics or dealerships.

9. Can a DIY enthusiast fix the OBDII code P1F01 in a GMC vehicle?

- While some experienced DIY enthusiasts may be able to diagnose and repair this code, it is recommended to seek professional help due to the complexity of the electrical system involved.

10. How can I prevent the OBDII code P1F01 from reoccurring in my GMC vehicle?

- To prevent the code from reoccurring, it's essential to ensure regular maintenance of the vehicle's charging system, including checking the battery, wiring, and control modules for any signs of wear or damage.