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Engine-Codes – GMC – P245D 2015 GMC Sierra

P245D 2015 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage

Quick Answer

The P245D diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit registering a high voltage. Common causes include Faulty EGR cooler bypass control valve, Wiring or connector issues in the EGR cooler bypass control circuit, Electronic control module (ECM) malfunction. 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 2015 GMC Sierra indicates Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage.
Common causes
Common causes include Faulty EGR cooler bypass control valve, Wiring or connector issues in the EGR cooler bypass control circuit, Electronic control module (ECM) malfunction.
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 11, 2024
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Code P245D 2015 GMC Sierra Description

The P245D diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit registering a high voltage. The EGR system plays a crucial role in reducing harmful emissions by recirculating a portion of exhaust gases back into the engine intake, lowering combustion temperatures and reducing the formation of nitrogen oxides. The EGR cooler bypass control circuit is responsible for managing the flow of exhaust gases through the EGR system, ensuring optimal performance.

OBDII Code P245D 2015 GMC Sierra - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage
P245D 2015 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage

Common Causes of P245D 2015 GMC Sierra

  1. Faulty EGR cooler bypass control valve
  2. Wiring or connector issues in the EGR cooler bypass control circuit
  3. Electronic control module (ECM) malfunction
  4. Carbon buildup in the EGR system
  5. Vacuum leaks affecting EGR operation

Symptoms of P245D 2015 GMC Sierra

  1. Check engine light illuminated
  2. Reduced engine performance or power
  3. Increased fuel consumption
  4. Rough idling or engine misfires
  5. Failed emissions test

How to Fix P245D 2015 GMC Sierra

  1. Begin by conducting a thorough visual inspection of the EGR cooler bypass control valve, wiring, and connectors for any signs of damage or corrosion.
  2. Test the EGR cooler bypass control valve for proper operation using a scan tool to command the valve and monitor its response.
  3. Check the wiring harness and connectors for continuity and proper voltage levels to ensure a secure electrical connection.
  4. Clean or replace the EGR cooler bypass control valve if necessary, and clear the DTC from the vehicle's computer memory to reset the system.
  5. Perform a road test to verify that the repair has resolved the issue, and ensure that the check engine light remains off.

Cost to Fix P245D 2015 GMC Sierra

The cost of repairing a P245D DTC related to the Exhaust Gas Recirculation Cooler Bypass Control Circuit High Voltage can vary depending on the specific cause of the issue. In general, parts such as a new EGR cooler bypass control valve can range from $100 to $300, while labor costs typically add another $100 to $200. Overall, the total repair cost for this issue may fall within the $200 to $500 range, not including any diagnostic fees or additional components that may require replacement. As mentioned earlier, labor rates at auto repair shops can vary, so it is advisable to obtain quotes from local service providers for a more accurate estimate.

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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 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code P245D in a 2015 GMC Sierra?

- Common symptoms include the check engine light coming on, reduced engine performance, and potential rough idling.

2. What does the OBDII code P245D indicate in a 2015 GMC Sierra?

- OBDII code P245D specifically relates to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit registering high voltage.

3. What are the possible causes of OBDII code P245D in a 2015 GMC Sierra?

- The code may be triggered by issues such as a faulty EGR cooler bypass control solenoid, damaged wiring, or a malfunctioning EGR system.

4. How can I diagnose OBDII code P245D in my 2015 GMC Sierra?

- To diagnose the issue, you may need to perform a thorough inspection of the EGR system, check the wiring for any damage, and use a diagnostic scanner to read live data.

5. Can I continue driving my 2015 GMC Sierra with OBDII code P245D active?

- It is not advisable to continue driving with the code active, as it can lead to further damage to the EGR system and potentially affect engine performance.

6. How can I repair OBDII code P245D in my 2015 GMC Sierra?

- Repair options may include replacing the EGR cooler bypass control solenoid, repairing damaged wiring, or addressing any underlying issues in the EGR system.

7. Will resetting the OBDII code P245D in my 2015 GMC Sierra make it go away permanently?

- Simply resetting the code may temporarily clear the check engine light, but it is crucial to address the root cause of the issue to prevent the code from reoccurring.

8. Can a DIY enthusiast fix OBDII code P245D in a 2015 GMC Sierra?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair simpler issues related to OBDII code P245D, but complex problems may require professional assistance.

9. How much does it typically cost to repair OBDII code P245D in a 2015 GMC Sierra?

- The cost of repair can vary widely depending on the specific issue causing the code, the parts needed for replacement, and whether you choose to perform the repair yourself or take it to a mechanic.

10. Are there any preventive measures to avoid OBDII code P245D in a 2015 GMC Sierra?

- Regular maintenance of the EGR system, timely replacement of worn components, and addressing any engine performance issues promptly can help prevent the occurrence of OBDII code P245D.

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