AutoCodes – GMC – P245D 2017 GMC Sierra

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

Quick Answer

The Engine Control Module (ECM) uses the Exhaust Gas Recirculation (EGR) bypass valve position sensor to determine the position of the bypass valve. Common causes include Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve, Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted, Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection. 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 Exhaust Gas Recirculation (EGR) Cooler Bypass Valve, Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted, Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 191

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 30, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P245D 2017 GMC Sierra Description

The Engine Control Module (ECM) uses the Exhaust Gas Recirculation (EGR) bypass valve position sensor to determine the position of the bypass valve. The ECM sends a reference voltage through the 5-volt reference circuit to the position sensor. The ECM provides a voltage return path for the sensor through the low reference circuit. A variable voltage signal, based on the valve position, is sent from the sensor to the ECM through the position sensor signal circuit. The ECM compares the actual bypass valve position with the desired bypass valve position when the valve is commanded open or closed. The EGR cooler bypass valve is controlled by the ECM through the bypass valve motor high control and the low control circuits. The ECM will pulse width modulate the low control circuit to ground when EGR cooler bypass is desired.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the EGR cooler bypass valve control circuits are shorted to voltage for greater than 3 s.

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

What does this mean?

What are the Possible Causes of the DTC P245D 2017 GMC Sierra?

Faulty Exhaust Gas Recirculation (EGR) Cooler Bypass Valve
Exhaust Gas Recirculation Cooler Bypass Valve harness is open or shorted
Exhaust Gas Recirculation Cooler Bypass Valve circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P245D 2017 GMC Sierra?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P245D 2017 GMC Sierra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P245D 2017 GMC Sierra code?

Need more information on how to fix the P245D 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P245D 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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.