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P253D 2015 GMC Sierra Code - Power Take-Off Relay Feedback Circuit High Voltage

Quick Answer

The P253D diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that there is a high voltage condition detected in the power take-off (PTO) relay feedback circuit. Common causes include Faulty PTO relay, Corroded or damaged wiring in the relay feedback circuit, Electrical short circuit in the circuitry. 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 2015 GMC Sierra indicates Power Take-Off Relay Feedback Circuit High Voltage.
Common causes
Common causes include Faulty PTO relay, Corroded or damaged wiring in the relay feedback circuit, Electrical short circuit in the circuitry.
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 07, 2024
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Code P253D 2015 GMC Sierra Description

The P253D diagnostic trouble code (DTC) for a 2015 GMC Sierra indicates that there is a high voltage condition detected in the power take-off (PTO) relay feedback circuit. The PTO relay is responsible for controlling the engagement and disengagement of the PTO system, which is commonly used in trucks for various auxiliary functions such as powering hydraulic pumps, winches, or other equipment.

OBDII Code P253D 2015 GMC Sierra - Power Take-Off Relay Feedback Circuit High Voltage
P253D 2015 GMC Sierra Code - Power Take-Off Relay Feedback Circuit High Voltage

Common Causes of P253D 2015 GMC Sierra

  1. Faulty PTO relay.
  2. Corroded or damaged wiring in the relay feedback circuit.
  3. Electrical short circuit in the circuitry.
  4. Issues with the vehicle's electrical system, such as a faulty battery or alternator.
  5. Water or moisture intrusion in the electrical connections.

Symptoms of P253D 2015 GMC Sierra

  1. PTO system engages or disengages unexpectedly.
  2. Loss of functionality in equipment powered by the PTO system.
  3. Check Engine Light illuminated on the dashboard.
  4. Abnormal electrical behavior or fluctuations in the system.

How to Fix P253D 2015 GMC Sierra

  1. Begin by conducting a thorough visual inspection of the PTO relay and its surrounding wiring to check for any visible damage or corrosion.
  2. Use a multimeter to test the continuity and voltage levels in the PTO relay feedback circuit to identify any irregularities.
  3. Replace the PTO relay if it is found to be faulty, ensuring that the new relay meets the manufacturer's specifications.
  4. Repair or replace any damaged wiring or connectors in the circuitry.
  5. Clear the DTC with a diagnostic scanner and test the PTO system to ensure that the issue has been resolved.

Cost to Fix P253D 2015 GMC Sierra

The typical repair costs for addressing a P253D code in a 2015 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the cost for parts for a PTO relay replacement can range from $50 to $150, while labor costs can range from $80 to $150 per hour. Overall, the total repair cost for this issue could be in the range of $150 to $400, excluding any additional diagnostic fees or taxes. It is advisable to consult with a certified mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle.

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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 2015 GMC Sierra Code

1. What does the OBDII code P253D mean on a 2015 GMC Sierra?

The P253D code indicates a high voltage issue in the Power Take-Off (PTO) Relay Feedback Circuit, which monitors the electrical system for the PTO operation.

2. What are common symptoms of the P253D code in a 2015 GMC Sierra?

Symptoms can include the check engine light turning on, PTO system not working properly, erratic transmission behavior, or reduced vehicle performance.

3. What causes the P253D code to appear?

The code may be caused by a faulty PTO relay, damaged wiring or connectors in the PTO circuit, a short to voltage, or a malfunctioning PCM (Powertrain Control Module).

4. Can I still drive my 2015 GMC Sierra with the P253D code?

Driving with the P253D code is possible but not recommended, as it may affect PTO functionality and potentially lead to further electrical or mechanical issues.

5. How do I diagnose the P253D code in my 2015 GMC Sierra?

Start by inspecting the PTO relay and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit. Consult a repair manual for specific diagnostic steps.

6. How do I fix the P253D code on my GMC Sierra?

Repairs may involve replacing the PTO relay, repairing or replacing damaged wiring or connectors, or updating/reprogramming the PCM if necessary.

7. How much does it cost to repair the P253D code on a 2015 GMC Sierra?

Repair costs can vary depending on the cause, but replacing a PTO relay typically costs $50–$150 for parts and labor, while more extensive wiring or PCM repairs may cost significantly more.

8. Can a bad battery or alternator cause the P253D code?

Yes, a weak battery or failing alternator can cause voltage irregularities, which may trigger the P253D code. Ensure your vehicle’s charging system is functioning properly.

9. Will clearing the P253D code with an OBDII scanner fix the issue?

Clearing the code may temporarily turn off the check engine light, but it won’t fix the underlying problem. Proper diagnosis and repair are necessary to resolve the issue.

10. Is the P253D code specific to GMC vehicles?

While P253D is more common on GMC and Chevrolet vehicles with PTO systems, it may also appear on other brands with similar configurations. Always check your vehicle's service manual for details.

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