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Engine-Codes – GMC – P245D 2017 GMC Sierra

P245D 2017 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage

Quick Answer

The P245D diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) cooler bypass control circuit having high voltage. Common causes include Faulty EGR cooler bypass control solenoid, Wiring issues in the EGR cooler bypass control circuit, Malfunctioning Engine Control Module (ECM). Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P245D 2017 GMC Sierra indicates Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage.
Common causes
Common causes include Faulty EGR cooler bypass control solenoid, Wiring issues in the EGR cooler bypass control circuit, Malfunctioning Engine Control Module (ECM).
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
What is this?
Table of contents Created and updated by William Orellana on Sep 14, 2024
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Code P245D 2017 GMC Sierra Description

The P245D diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the Exhaust Gas Recirculation (EGR) cooler bypass control circuit having high voltage. The EGR system is responsible for recirculating a portion of the exhaust gases back into the engine's intake manifold to reduce emissions and improve fuel efficiency. The EGR cooler helps lower the temperature of the recirculated exhaust gases before they are reintroduced into the engine.

OBDII Code P245D 2017 GMC Sierra - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage
P245D 2017 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage

Common Causes of P245D 2017 GMC Sierra

  1. Faulty EGR cooler bypass control solenoid
  2. Wiring issues in the EGR cooler bypass control circuit
  3. Malfunctioning Engine Control Module (ECM)
  4. Carbon buildup in the EGR system
  5. Exhaust leaks near the EGR system

Symptoms of P245D 2017 GMC Sierra

  1. Check Engine Light illuminated
  2. Reduced fuel efficiency
  3. Rough idling or engine misfires
  4. Engine stalling
  5. Increased emissions

How to Fix P245D 2017 GMC Sierra

  1. Diagnose the specific cause of the high voltage in the EGR cooler bypass control circuit using a scan tool and multimeter.
  2. Inspect the EGR cooler bypass control solenoid and wiring for any signs of damage or corrosion.
  3. Test the ECM to ensure it is functioning correctly and communicating with the EGR system components.
  4. Clean or replace the EGR cooler if carbon buildup is detected.
  5. Clear the DTC and reset the ECM to see if the issue persists after repairs.

Cost to Fix P245D 2017 GMC Sierra

The cost of repairing a P245D code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. In general, the parts required for this repair, such as a new EGR cooler bypass control solenoid or ECM, can range from $100 to $500. Labor costs at auto repair shops typically range from $80 to $150 per hour, and the total repair bill could amount to $200 to $800 or more, depending on the extent of the repairs needed. It's advisable to consult with a professional mechanic for an accurate estimate based on your vehicle's specific requirements.

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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 P245D 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P245D in a 2017 GMC Sierra?

The common symptoms of code P245D include reduced engine performance, rough idling, increased fuel consumption, and the illumination of the Check Engine Light.

2. What can cause the Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage fault in a 2017 GMC Sierra?

Potential causes of the P245D code in a GMC Sierra can include a malfunctioning EGR cooler bypass valve, damaged wiring or connectors in the EGR system, or a faulty EGR temperature sensor.

3. How serious is the P245D OBDII code in a 2017 GMC Sierra?

While the P245D code may not cause immediate harm to your vehicle, it can lead to decreased fuel efficiency and engine performance. It is recommended to address the issue promptly to prevent further damage.

4. Can I continue driving my 2017 GMC Sierra with the P245D code present?

It is generally not recommended to continue driving your Sierra with the P245D code illuminated. Operating the vehicle with a faulty EGR system may lead to increased emissions, reduced fuel efficiency, and potential long-term damage to engine components.

5. How can I diagnose and repair the P245D code in my 2017 GMC Sierra?

To diagnose and repair the P245D code, you may need to inspect the EGR cooler bypass valve, check the wiring and connectors for damage, and test the EGR temperature sensor. It is advisable to consult a professional mechanic for a thorough diagnosis and proper repair.

6. Is it possible to reset the P245D code in a 2017 GMC Sierra without fixing the underlying issue?

Resetting the Check Engine Light to clear the P245D code without addressing the root cause is not recommended. The issue will likely persist, and the code will reappear once the vehicle's onboard diagnostics detect the problem again.

7. How much does it typically cost to repair the P245D code in a 2017 GMC Sierra?

The cost of repairing the P245D code can vary depending on the specific underlying issue causing the fault. Costs may include parts, labor, and diagnostic fees. It is best to obtain estimates from reputable repair shops.

8. Can a DIY enthusiast fix the P245D code in a 2017 GMC Sierra?

While some experienced DIY enthusiasts may be able to address simpler EGR system issues causing the P245D code, diagnosing and repairing complex problems may require specialized tools and knowledge. Consulting a professional mechanic is recommended for accurate diagnosis and repair.

9. Will the P245D code cause my 2017 GMC Sierra to fail an emissions test?

Yes, the presence of the P245D code can cause your Sierra to fail an emissions test. It indicates a fault in the EGR system, which plays a crucial role in reducing harmful emissions. Addressing the issue promptly is essential to pass emissions testing.

10. How long does it take to repair the P245D code in a 2017 GMC Sierra?

The repair time for the P245D code can vary based on the specific cause of the fault and the complexity of the repair. Simple fixes may take a few hours, while more intricate issues could require more time. It is advisable to consult with a mechanic for an accurate estimate.

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