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Engine-Codes – GMC – P245A 2017 GMC Sierra

P245A 2017 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit

Quick Answer

The P245A diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit. Common causes include Faulty EGR cooler bypass valve, Wiring issues in the EGR cooler bypass control circuit, Malfunctioning EGR cooler bypass control solenoid. 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
P245A 2017 GMC Sierra indicates Exhaust Gas Recirculation Cooler Bypass Control Circuit.
Common causes
Common causes include Faulty EGR cooler bypass valve, Wiring issues in the EGR cooler bypass control circuit, Malfunctioning EGR cooler bypass control solenoid.
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 18, 2024
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Code P245A 2017 GMC Sierra Description

The P245A diagnostic trouble code (DTC) for a 2017 GMC Sierra relates to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit. The EGR system plays a crucial role in reducing harmful emissions by recirculating a portion of exhaust gases back into the engine's intake manifold. The EGR cooler helps to lower the temperature of these gases before they are reintroduced into the combustion chamber.

OBDII Code P245A 2017 GMC Sierra - Exhaust Gas Recirculation Cooler Bypass Control Circuit
P245A 2017 GMC Sierra Code - Exhaust Gas Recirculation Cooler Bypass Control Circuit

Common Causes of P245A 2017 GMC Sierra

  1. Faulty EGR cooler bypass valve
  2. Wiring issues in the EGR cooler bypass control circuit
  3. Malfunctioning EGR cooler bypass control solenoid
  4. ECM software or hardware issues
  5. Carbon buildup in the EGR system

Symptoms of P245A 2017 GMC Sierra

  1. Check engine light illuminated
  2. Reduced engine performance
  3. Decreased fuel efficiency
  4. Rough idling or stalling
  5. Increased emissions output

How to Fix P245A 2017 GMC Sierra

  1. Use a diagnostic scanner to retrieve the specific trouble code and confirm the issue.
  2. Inspect the EGR cooler bypass valve, wiring, and control solenoid for any visible damage or malfunctions.
  3. Test the EGR cooler bypass control circuit for continuity and proper operation.
  4. Replace any faulty components, such as the EGR cooler bypass valve or control solenoid.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P245A 2017 GMC Sierra

The cost of repairing a P245A code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the parts needed for this repair, such as a new EGR cooler bypass valve or control solenoid, can range from $100 to $300. Labor costs at an auto repair shop can vary between $80 and $150 per hour, with the total repair bill likely falling between $200 and $500. It's advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your vehicle's specific needs.

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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 P245A 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code P245A in a 2017 GMC Sierra related to the Exhaust Gas Recirculation (EGR) Cooler Bypass Control Circuit?

The common symptoms of P245A may include the check engine light coming on, reduced engine performance, and potential issues with the EGR system.

2. What can cause the OBDII code P245A to trigger in a 2017 GMC Sierra?

The P245A code is typically triggered when there is a malfunction in the EGR cooler bypass control circuit, which can be caused by wiring issues, EGR cooler problems, or a faulty EGR valve.

3. How serious is the OBDII code P245A in a 2017 GMC Sierra?

While the P245A code may not cause immediate drivability issues, it is important to address this code promptly to prevent potential damage to the EGR system and ensure optimal engine performance.

4. How can I diagnose the OBDII code P245A in a 2017 GMC Sierra?

Diagnosing P245A usually involves using an OBDII scanner to read the code, inspecting the EGR system components for any visible damage, and testing the EGR cooler bypass control circuit for continuity and proper operation.

5. What are some DIY repair tips for fixing the OBDII code P245A in a 2017 GMC Sierra?

DIY repair tips may include checking and repairing any damaged wiring in the EGR system, cleaning or replacing the EGR valve, and ensuring proper functioning of the EGR cooler bypass control circuit.

6. Can I continue driving my 2017 GMC Sierra with the OBDII code P245A present?

While it may be possible to drive with the P245A code present, it is advisable to address the underlying issue promptly to prevent any potential engine or emissions system damage.

7. How much does it typically cost to repair the OBDII code P245A in a 2017 GMC Sierra?

The cost of repairing P245A can vary depending on the root cause of the issue, but it may involve expenses related to parts replacement, labor costs, and diagnostic fees.

8. Is it safe to reset the check engine light after repairing the OBDII code P245A in a 2017 GMC Sierra?

Yes, it is safe to reset the check engine light after repairing P245A. This can be done using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

9. Will the OBDII code P245A in a 2017 GMC Sierra cause the vehicle to fail an emissions test?

Yes, the P245A code typically indicates a problem with the emissions control system, which may cause the vehicle to fail an emissions test until the issue is resolved.

10. How often does the OBDII code P245A related to the Exhaust Gas Recirculation Cooler Bypass Control Circuit occur in a 2017 GMC Sierra?

The occurrence of the P245A code can vary depending on factors such as vehicle maintenance, driving conditions, and the overall health of the EGR system in the 2017 GMC Sierra.

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