AutoCodes – GMC – P1571 GMC

P1571 GMC Code - Traction Control Desired Torque Out Of Range

Quick Answer

The Electronic Brake Control Module (EBCM) and the Powertrain Control Module (PCM) simultaneously control the traction control. Common causes include Faulty Electronic Brake Control Module (EBCM), Faulty Powertrain Control Module (PCM), EBCM 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
P1571 GMC indicates Traction Control Desired Torque Out Of Range.
Common causes
Common causes include Faulty Electronic Brake Control Module (EBCM), Faulty Powertrain Control Module (PCM), EBCM 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 18,004
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 30, 2019
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Code P1571 GMC Description

The Electronic Brake Control Module (EBCM) and the Powertrain Control Module (PCM) simultaneously control the traction control. The EBCM sends a Requested Torque message via a pulse width modulated (PWM) signal to the PCM. The duty cycle of the signal is used to determine how much engine torque the EBCM is requesting the PCM to deliver. Normal values are between 10 and 90 percent duty cycle. The signal should be at 90 percent when traction control is not active and at lower values during traction control activations. The PCM supplies the pull up voltage that the EBCM switches to ground to create the signal.
OBDII Code P1571 GMC - Traction Control Desired Torque Out Of Range - AutoCodes.com
P1571 GMC Code - Traction Control Desired Torque Out Of Range

What are the Possible Causes of the DTC P1571 GMC?

  • Faulty Electronic Brake Control Module (EBCM)
  • Faulty Powertrain Control Module (PCM)
  • EBCM harness is open or shorted
  • EBCM circuit poor electrical connection

How to Fix the DTC P1571 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 P1571 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 P1571 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 P1571 GMC Code

1. What are the common symptoms of OBDII code P1571 in a GMC vehicle?

- Common symptoms of code P1571 include the traction control light being illuminated on the dashboard, reduced traction control system functionality, and potential issues with vehicle stability during acceleration or cornering.

2. What does the OBDII code P1571 "Traction Control Desired Torque Out Of Range" mean in a GMC vehicle?

- The code P1571 indicates that the traction control system has detected that the desired torque output is outside of the acceptable range, potentially leading to issues with vehicle stability and traction control performance.

3. What are some possible causes of OBDII code P1571 in a GMC vehicle?

- Possible causes of code P1571 include faulty wheel speed sensors, issues with the traction control module, wiring problems, or a malfunction in the ABS system.

4. How can I diagnose and repair OBDII code P1571 in my GMC vehicle?

- To diagnose and repair code P1571, start by checking the wheel speed sensors and their connections for any damage or corrosion. Inspect the traction control module and ABS system for any faults, and ensure all wiring related to the traction control system is intact.

5. Can I continue driving my GMC vehicle with OBDII code P1571 present?

- It is not recommended to continue driving your vehicle with code P1571 present, as it can affect the performance of the traction control system and compromise vehicle stability during driving.

6. Will resetting the trouble codes make OBDII code P1571 go away in my GMC vehicle?

- Resetting the trouble codes may temporarily clear code P1571, but if the underlying issue causing the code is not addressed, it is likely to reappear once the system detects the problem again.

7. How much does it typically cost to repair OBDII code P1571 in a GMC vehicle?

- The cost to repair code P1571 can vary depending on the specific cause of the issue. It is recommended to have a professional diagnose the problem to get an accurate estimate for the repair.

8. Are there any DIY fixes for OBDII code P1571 in a GMC vehicle?

- While some basic checks like inspecting the wheel speed sensors and connections can be done DIY, resolving code P1571 often requires advanced diagnostic equipment and expertise, so it is best to consult a professional mechanic.

9. Can extreme weather conditions trigger OBDII code P1571 in a GMC vehicle?

- Extreme weather conditions, such as heavy rain or snow, can potentially affect the traction control system and trigger code P1571 if the sensors or components are exposed to moisture or harsh conditions.

10. Is it safe to drive my GMC vehicle if the traction control system is disabled due to OBDII code P1571?

- Driving with the traction control system disabled due to code P1571 is not recommended, as it can compromise vehicle stability and safety, especially in slippery road conditions. It is advisable to have the issue diagnosed and repaired promptly.

1. What are the common symptoms of OBDII code P1571 GMC (Traction Control Desired Torque Out Of Range)?

- Common symptoms include traction control system warning lights illuminated on the dashboard, reduced traction control functionality, and potential loss of traction control assistance.

2. What can cause the OBDII code P1571 GMC to trigger?

- This code is typically triggered by a discrepancy between the desired torque output by the traction control system and the actual torque output from the vehicle's wheels.

3. How serious is the OBDII code P1571 GMC (Traction Control Desired Torque Out Of Range)?

- While this code may not cause immediate drivability issues, it can affect the performance of the traction control system, potentially compromising vehicle stability and safety in certain driving conditions.

4. How can I diagnose the OBDII code P1571 GMC?

- Diagnosis usually involves using a professional OBDII scanner to read and interpret the code, followed by a thorough inspection of the traction control system components for any faults or malfunctions.

5. Are there any DIY repair tips for addressing the OBDII code P1571 GMC?

- DIY repair may be challenging for this specific code, as it often requires advanced diagnostic equipment and expertise to pinpoint the exact cause and make necessary repairs. Seeking professional help is recommended.

6. Can driving with the OBDII code P1571 GMC active cause further damage to the vehicle?

- Continuously driving with this code present may lead to reduced traction control effectiveness and potentially compromise vehicle stability in certain driving conditions. It is advisable to address the issue promptly.

7. What components are commonly associated with triggering the OBDII code P1571 GMC?

- Common culprits for this code include faulty wheel speed sensors, issues with the traction control module, wiring harness faults, or other related traction control system components.

8. How much does it typically cost to repair the OBDII code P1571 GMC?

- The cost of repairs can vary depending on the underlying cause of the code and the extent of the necessary repairs. It's best to consult a professional mechanic for an accurate diagnosis and cost estimate.

9. Can resetting the OBDII code P1571 GMC resolve the issue temporarily?

- While resetting the code may temporarily clear the warning lights, the underlying issue causing the code will likely persist. It's important to diagnose and address the root cause to prevent further complications.

10. Is it safe to continue driving with the traction control system affected by the OBDII code P1571 GMC?

- Driving with compromised traction control functionality can pose safety risks, especially in slippery or challenging road conditions. It is advisable to have the issue diagnosed and repaired promptly to ensure safe driving.

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