P247A GMC Code - Exhaust Gas Temperature Out of Range Bank 1 Sensor 3
Quick Answer
The P247A GMC diagnostic trouble code indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 3. Common causes include Faulty exhaust gas temperature sensor, Wiring or connector issues, Malfunctioning 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
- P247A GMC indicates Exhaust Gas Temperature Out of Range Bank 1 Sensor 3.
- Common causes
- Common causes include Faulty exhaust gas temperature sensor, Wiring or connector issues, Malfunctioning 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.
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Code P247A GMC Description
The P247A GMC diagnostic trouble code indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 3. This sensor is typically located after the diesel particulate filter (DPF) in the exhaust system. The exhaust gas temperature sensor is crucial for monitoring the temperature of the exhaust gases to ensure efficient operation of the diesel particulate filter and the overall emissions control system.
Common Causes of P247A GMC
- Faulty exhaust gas temperature sensor
- Wiring or connector issues
- Malfunctioning ECM
- Exhaust leaks
- Diesel particulate filter issues
Symptoms of P247A GMC
- Reduced engine performance
- Decreased fuel efficiency
- Illuminated check engine light
- Increased emissions
- Potential limp mode activation
How to Fix P247A GMC
- Perform a comprehensive diagnostic scan to confirm the P247A code.
- Inspect the exhaust gas temperature sensor, wiring, and connectors for any damage or corrosion.
- Test the ECM to ensure proper functionality.
- Check for exhaust leaks and repair as needed.
- Replace the exhaust gas temperature sensor if faulty.
Cost to Fix P247A GMC
The typical repair costs for addressing the P247A GMC code can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that diagnosis time and labor rates can vary, so it's advisable to check with local auto repair shops for a more accurate estimate. Additionally, factors such as the vehicle make and model, engine type, and location can impact the overall repair costs.
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Frequently Asked Questions about P247A GMC Code
1. What are the common symptoms of OBDII code P247A GMC?
The common symptoms of code P247A GMC include reduced engine performance, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What is the primary cause of OBDII code P247A GMC?
The primary cause of code P247A GMC is an exhaust gas temperature sensor malfunction in Bank 1 Sensor 3, indicating that the temperature is out of the expected range.
3. How can I diagnose OBDII code P247A GMC?
Diagnosing code P247A GMC involves using an OBDII scanner to retrieve the specific fault code and then conducting a thorough inspection of the Bank 1 Sensor 3 exhaust gas temperature sensor for any signs of damage or malfunction.
4. Can a faulty oxygen sensor trigger code P247A GMC?
Yes, a faulty oxygen sensor can indirectly trigger code P247A GMC by causing incorrect readings that lead to the exhaust gas temperature being out of range in Bank 1 Sensor 3.
5. What are some repair tips for addressing OBDII code P247A GMC?
Repair tips for code P247A GMC include checking and replacing the Bank 1 Sensor 3 exhaust gas temperature sensor, ensuring proper wiring connection, and clearing the fault code with an OBDII scanner after repairs are completed.
6. Is it safe to continue driving with OBDII code P247A GMC unresolved?
It is not recommended to continue driving with code P247A GMC unresolved, as it may lead to further damage to the engine or emissions system and potentially result in more costly repairs down the line.
7. Can I reset the Check Engine Light after fixing OBDII code P247A GMC?
Yes, once the underlying issue causing code P247A GMC has been addressed and repaired, the Check Engine Light can be reset using an OBDII scanner to clear the fault code and turn off the warning indicator.
8. Are there any precautions to take when working on the exhaust gas temperature sensor for code P247A GMC?
When working on the exhaust gas temperature sensor for code P247A GMC, it is important to disconnect the vehicle's battery to prevent any electrical mishaps and to allow the sensor to cool down before handling it.
9. How do I prevent OBDII code P247A GMC from recurring?
To prevent code P247A GMC from recurring, make sure to perform regular maintenance on the vehicle's exhaust system, including checking and replacing sensors as needed, and addressing any issues promptly.
10. Does code P247A GMC affect vehicle emissions?
Yes, code P247A GMC can affect vehicle emissions by indicating that the exhaust gas temperature is out of the expected range, potentially leading to increased emissions and environmental impact.
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