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P253D 2018 GMC Sierra Code - Power Take-Off Relay Feedback Circuit High Voltage

Quick Answer

The P253D diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to the Power Take-Off (PTO) Relay Feedback Circuit High Voltage. Common causes include Faulty PTO relay, Damaged wiring or connectors in the feedback circuit, Short circuit in the power take-off system. 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
P253D 2018 GMC Sierra indicates Power Take-Off Relay Feedback Circuit High Voltage.
Common causes
Common causes include Faulty PTO relay, Damaged wiring or connectors in the feedback circuit, Short circuit in the power take-off system.
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 14, 2024
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Code P253D 2018 GMC Sierra Description

The P253D diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to the Power Take-Off (PTO) Relay Feedback Circuit High Voltage. This code indicates that there is a high voltage condition detected in the feedback circuit of the PTO relay. The PTO relay is responsible for controlling the engagement and disengagement of the power take-off system, which is used to transfer power from the engine to auxiliary equipment such as hydraulic pumps, generators, or other accessories.

OBDII Code P253D 2018 GMC Sierra - Power Take-Off Relay Feedback Circuit High Voltage
P253D 2018 GMC Sierra Code - Power Take-Off Relay Feedback Circuit High Voltage

Common Causes of P253D 2018 GMC Sierra

  1. Faulty PTO relay.
  2. Damaged wiring or connectors in the feedback circuit.
  3. Short circuit in the power take-off system.
  4. Malfunctioning power take-off system components.
  5. Electrical issues such as a blown fuse or relay.

Symptoms of P253D 2018 GMC Sierra

  1. Power take-off system not engaging or disengaging properly.
  2. Loss of power to auxiliary equipment.
  3. Illumination of the check engine light.
  4. Reduced performance or efficiency of the power take-off system.
  5. Unusual noises or vibrations when using the power take-off system.

How to Fix P253D 2018 GMC Sierra

  1. Begin by conducting a thorough inspection of the power take-off system, including the PTO relay, wiring, and connectors.
  2. Test the PTO relay and the feedback circuit for proper voltage levels and continuity using a multimeter.
  3. Replace any damaged wiring, connectors, or components identified during the inspection.
  4. Clear the DTC and reset the vehicle's computer to see if the code returns after repairs.
  5. Test the power take-off system to ensure proper engagement and disengagement functionality.

Cost to Fix P253D 2018 GMC Sierra

The typical repair costs for addressing a P253D code on a 2018 GMC Sierra can vary depending on the specific cause of the issue and the extent of repairs needed. On average, the cost of parts for a PTO relay replacement and related repairs can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill could amount to $200 to $500 or more, including parts and labor. It is advisable to consult with a qualified mechanic or dealership for a more accurate cost estimate based on the specific circumstances of the vehicle and the required repairs.

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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 P253D 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code P253D in a 2018 GMC Sierra?

The common symptoms include the Check Engine Light being illuminated, reduced engine performance, and potential issues with the power take-off system.

2. What does the OBDII code P253D on a 2018 GMC Sierra mean?

The code P253D indicates a Power Take-Off Relay Feedback Circuit High Voltage issue within the vehicle's power take-off system.

3. What are the possible causes of OBDII code P253D in a 2018 GMC Sierra?

Possible causes include a faulty power take-off relay, wiring issues in the relay feedback circuit, or a malfunctioning power take-off module.

4. How serious is the OBDII code P253D in a 2018 GMC Sierra?

While the vehicle may still be operational with this code, it is important to address it promptly as it can lead to reduced performance and potential damage to the power take-off system if left unresolved.

5. Can I continue driving my 2018 GMC Sierra with the OBDII code P253D present?

It is generally not recommended to continue driving the vehicle with this code active, as it can impact performance and potentially cause further damage to the power take-off system.

6. How can the OBDII code P253D in a 2018 GMC Sierra be diagnosed?

Diagnosis typically involves using an OBDII scanner to retrieve the code, followed by a thorough inspection of the power take-off relay, wiring, and related components to pinpoint the exact cause.

7. What are some DIY repair tips for addressing OBDII code P253D in a 2018 GMC Sierra?

DIY repair tips may include checking and cleaning the power take-off relay connections, inspecting for any damaged wiring, and ensuring all related components are securely connected.

8. Can resetting the OBDII system clear the P253D code in a 2018 GMC Sierra?

While clearing the code may temporarily turn off the Check Engine Light, it is crucial to address the underlying issue causing the code to prevent it from reoccurring.

9. Is it advisable to seek professional help for fixing the OBDII code P253D in a 2018 GMC Sierra?

Given the complexity of the power take-off system, seeking help from a qualified mechanic or dealership is recommended to accurately diagnose and repair the issue.

10. How much does it typically cost to repair the OBDII code P253D in a 2018 GMC Sierra?

The cost of repair can vary depending on the exact cause of the code, but it may involve expenses related to parts replacement, labor, and diagnostic fees. It is advisable to get a few quotes from different repair shops before proceeding with the fix.

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