Engine-Codes.com
Engine-Codes – Chevrolet – P251E 2017 Chevrolet Silverado

P251E 2017 Chevrolet Silverado Code - Power Take-Off Engine Shutdown Control Circuit Low Voltage

Quick Answer

The P251E diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Power Take-Off (PTO) Engine Shutdown Control Circuit Low Voltage. Common causes include Faulty power take-off control module, Damaged wiring or connectors in the engine shutdown control circuit, Failed engine shutdown sensor. 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
P251E 2017 Chevrolet Silverado indicates Power Take-Off Engine Shutdown Control Circuit Low Voltage.
Common causes
Common causes include Faulty power take-off control module, Damaged wiring or connectors in the engine shutdown control circuit, Failed engine shutdown sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P251E 2017 Chevrolet Silverado Description

The P251E diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Power Take-Off (PTO) Engine Shutdown Control Circuit Low Voltage. This code indicates that there is a problem with the circuit responsible for controlling the engine shutdown function when the power take-off is engaged. The power take-off is a mechanical device that transfers power from the vehicle's engine to auxiliary equipment, such as a hydraulic pump or generator.

OBDII Code P251E 2017 Chevrolet Silverado - Power Take-Off Engine Shutdown Control Circuit Low Voltage
P251E 2017 Chevrolet Silverado Code - Power Take-Off Engine Shutdown Control Circuit Low Voltage

Common Causes of P251E 2017 Chevrolet Silverado

  1. Faulty power take-off control module.
  2. Damaged wiring or connectors in the engine shutdown control circuit.
  3. Failed engine shutdown sensor.
  4. Low battery voltage affecting the power take-off system.
  5. Issues with the power take-off engagement mechanism.

Symptoms of P251E 2017 Chevrolet Silverado

  1. Check engine light illuminated on the dashboard.
  2. Power take-off system not engaging or disengaging properly.
  3. Engine shutdown function not working correctly when power take-off is in use.
  4. Decreased power output from auxiliary equipment powered by the power take-off.

How to Fix P251E 2017 Chevrolet Silverado

  1. Begin by using a diagnostic scanner to retrieve the trouble codes and confirm P251E.
  2. Inspect the wiring and connectors in the engine shutdown control circuit for any damage or corrosion.
  3. Test the engine shutdown sensor for proper functionality and replace if necessary.
  4. Check the power take-off control module for faults and replace if found to be defective.
  5. Clear the trouble codes, reset the system, and test the power take-off system to ensure proper operation.

Cost to Fix P251E 2017 Chevrolet Silverado

The typical repair costs for addressing a P251E code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the parts required for this repair, such as a new engine shutdown sensor or power take-off control module, can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour. Therefore, the total cost for this repair could range from $200 to $600, including parts and labor. It's advisable to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.

Need more information about the P251E 2017 Chevrolet Silverado code?

Need more information on how to fix the P251E 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P251E 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

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 P251E 2017 Chevrolet Silverado Code

1. What does the OBDII code P251E mean on a 2017 Chevrolet Silverado?

P251E indicates a low voltage issue in the Power Take-Off (PTO) Engine Shutdown Control Circuit, which is responsible for managing PTO functions, often used in work trucks with auxiliary equipment.

2. What are the common symptoms of code P251E in a Chevrolet Silverado?

Symptoms may include the PTO not engaging or functioning properly, reduced engine performance, warning lights on the dashboard, and potential stalling when using PTO-related functions.

3. What causes code P251E in a 2017 Chevrolet Silverado?

Common causes include a faulty PTO control module, damaged wiring or connectors in the PTO circuit, low battery voltage, or a failing alternator.

4. How do I diagnose code P251E on my Silverado?

Start by checking the PTO wiring and connectors for damage or corrosion. Test the battery voltage and alternator output, and use a scan tool to monitor PTO system parameters.

5. Can a bad PTO control module trigger the P251E code?

Yes, a malfunctioning PTO control module can cause the circuit to have low voltage and trigger the P251E code.

6. Is it safe to drive with a P251E code on my Silverado?

While the truck may still be drivable, using PTO functions could cause further damage. It’s best to avoid heavy PTO use and address the issue promptly.

7. How do I fix a P251E code on a 2017 Chevrolet Silverado?

Repairs may include replacing damaged wiring or connectors, recharging or replacing the battery, repairing the alternator, or replacing the PTO control module if necessary.

8. Can a weak battery cause the P251E code?

Yes, a weak or discharged battery can result in low voltage in the PTO circuit and trigger the P251E code.

9. How much does it cost to repair a P251E code on a Chevrolet Silverado?

Costs vary depending on the cause. Wiring repairs may cost $100–$300, while PTO control module replacement can range from $500–$800, including labor.

10. Can a blown fuse cause the P251E code?

Yes, a blown fuse in the PTO circuit can disrupt voltage and result in the P251E code. Always check fuses during diagnosis.

Discuss the causes and fixes for P251E 2017 Chevrolet Silverado OBDII Code

Submit a New Comment

Code P251E 2017 Chevrolet Silverado comments

No comments found for this page.