AutoCodes – Generic – P15F1

P15F1 Code - Axle Torque Request Circuit

Quick Answer

This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module. Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator Power Inverter 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: P15F1 indicates Axle Torque Request Circuit.
Common causes: Common causes include Faulty Drive Motor Generator Power Inverter Module, Drive Motor Generator Power Inverter Module harness is open or shorted, Drive Motor Generator Power Inverter 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 2,072

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 Jan 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P15F1 Description

This diagnostic applies to internal microprocessor integrity conditions within the hybrid powertrain control module. The hybrid powertrain control module is internal to the drive motor generator power inverter module, and is not serviced separately. The hybrid powertrain control module monitors its ability to read and write to the memory. The hybrid powertrain control module processor monitors the data to verify that the indicated axle torque requested calculation is correct.

OBDII Code P15F1 - Axle Torque Request Circuit - AutoCodes.com — P15F1 Code - Axle Torque Request Circuit

What does this mean?

What are the Possible Causes of the DTC P15F1?

Faulty Drive Motor Generator Power Inverter Module
Drive Motor Generator Power Inverter Module harness is open or shorted
Drive Motor Generator Power Inverter Module circuit poor electrical connection

How to Fix the DTC P15F1?

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 P15F1 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 P15F1 code?

Need more information on how to fix the P15F1 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P15F1 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P15F1 Buick — Axle Torque Request Circuit
P15F1 Cadillac — Axle Torque Request Circuit
P15F1 Chevrolet — Axle Torque Request Circuit
P15F1 GMC — Axle Torque Request Circuit

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 P15F1 Code

1. What are common symptoms of OBDII code P15F1 (Axle Torque Request Circuit)?

- Common symptoms include illuminated Check Engine Light, reduced engine power, and potential drivability issues.

2. What are the possible causes of OBDII code P15F1?

- Possible causes include a malfunctioning axle torque request circuit, damaged wiring or connectors, and issues with the torque request module.

3. How can I diagnose OBDII code P15F1?

- Diagnosing this code typically involves using a diagnostic scanner to retrieve the code, checking the wiring and connectors for damage, and testing the torque request circuit components.

4. Can a faulty wheel speed sensor trigger OBDII code P15F1?

- Yes, a faulty wheel speed sensor can potentially trigger this code as it can affect the axle torque request system's operation.

5. What are some repair tips for fixing OBDII code P15F1?

- Repair tips may include repairing or replacing damaged wiring, connectors, or components in the axle torque request circuit, ensuring proper connections, and clearing the code after repairs are made.

6. Is it safe to continue driving with OBDII code P15F1 present?

- It is generally not recommended to continue driving with this code present, as it can lead to further damage or drivability issues. It is best to address the underlying cause promptly.

7. Can resetting the code make OBDII code P15F1 go away permanently?

- Resetting the code without addressing the underlying issue will likely not make it go away permanently. The root cause of the code needs to be diagnosed and repaired for a lasting solution.

8. How much does it typically cost to repair OBDII code P15F1?

- The cost of repairs for this code can vary depending on the specific issue, labor rates, and parts needed. It is recommended to consult a mechanic for a more accurate estimate.

9. Are there any recalls related to OBDII code P15F1?

- There may be recalls or technical service bulletins related to this OBDII code, so it is advisable to check with the vehicle manufacturer or a dealership for any relevant information.

10. Can a DIY enthusiast repair OBDII code P15F1 at home?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair this code at home. However, it is important to have the necessary knowledge and equipment to do so safely and effectively.