P247B GMC Code - Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
Quick Answer
The P247B GMC code indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 4. Common causes include Faulty exhaust gas temperature sensor, Wiring issues or poor electrical connections, Malfunctioning DPF. 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
- P247B GMC indicates Exhaust Gas Temperature Out of Range Bank 1 Sensor 4.
- Common causes
- Common causes include Faulty exhaust gas temperature sensor, Wiring issues or poor electrical connections, Malfunctioning DPF.
- 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.
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Code P247B GMC Description
The P247B GMC code indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 4. This sensor is typically located after the diesel particulate filter (DPF) in the exhaust system. The exhaust gas temperature sensor measures the temperature of the exhaust gases to ensure optimal performance and emissions control. When the temperature is out of range, it can lead to various issues with the vehicle's performance and fuel efficiency.
Common Causes of P247B GMC
- Faulty exhaust gas temperature sensor
- Wiring issues or poor electrical connections
- Malfunctioning DPF
- Engine management system failure
- Exhaust leaks or blockages in the system
Symptoms of P247B GMC
- Check engine light illuminated on the dashboard
- Reduced power mode activated
- Decreased fuel efficiency
- Rough idling or engine misfires
- Increased exhaust emissions
How to Fix P247B GMC
- Perform a diagnostic scan to confirm the P247B GMC code and identify the specific sensor that is out of range.
- Inspect the exhaust gas temperature sensor and its wiring for any visible damage or corrosion. Replace the sensor if necessary.
- Check the DPF for any signs of damage or clogging. Clean or replace the DPF as needed.
- Test the engine management system for any fault codes or malfunctions. Reset the codes and perform a test drive to ensure the issue has been resolved.
- Clear the P247B GMC code from the vehicle's computer and verify that the check engine light is no longer illuminated.
Cost to Fix P247B GMC
The cost of repairing the P247B GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair for this code could range from $200 to $500, including parts and labor. It's important to factor in diagnostic time and any additional repairs that may be needed to fully address the underlying issue. Be sure to consult with a certified mechanic or dealership for a more accurate estimate based on your vehicle's make and model.
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Frequently Asked Questions about P247B GMC Code
1. What are the common symptoms of OBDII code P247B GMC (Exhaust Gas Temperature Out of Range Bank 1 Sensor 4)?
- Common symptoms include reduced engine performance, decreased fuel efficiency, and an illuminated check engine light.
2. What can cause OBDII code P247B GMC to trigger?
- This code is typically triggered by a faulty exhaust gas temperature sensor or issues with the sensor's wiring or connectors.
3. How can I diagnose the cause of OBDII code P247B GMC?
- You can diagnose the cause by visually inspecting the sensor and its connections, testing the sensor for proper functionality, and checking for any exhaust leaks.
4. What are the possible repair options for OBDII code P247B GMC?
- Repair options may include replacing the exhaust gas temperature sensor, repairing or replacing damaged wiring or connectors, and fixing any exhaust leaks.
5. Can driving with OBDII code P247B GMC cause further damage to the vehicle?
- Continuing to drive with this code may lead to increased emissions, reduced engine efficiency, and potential damage to the catalytic converter or other engine components.
6. How urgent is it to address OBDII code P247B GMC?
- It is recommended to address this code promptly to prevent further damage to the vehicle and ensure optimal engine performance.
7. Is it possible to reset OBDII code P247B GMC without fixing the underlying issue?
- While you can clear the code with an OBDII scanner, it will likely reappear if the underlying issue is not resolved.
8. Can a DIY enthusiast fix OBDII code P247B GMC?
- Depending on your automotive repair skills, you may be able to address this code yourself by following repair guides and using the necessary tools.
9. How much does it typically cost to repair OBDII code P247B GMC at a professional auto repair shop?
- The cost of repair can vary depending on the specific cause of the code, but it may range from $100 to $300 or more, including parts and labor.
10. Are there any preventive measures to avoid OBDII code P247B GMC in the future?
- Regularly inspecting and maintaining the exhaust gas temperature sensor, as well as ensuring proper engine performance and emissions, can help prevent this code from appearing.
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