P246F GMC Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 4
Quick Answer
The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 4, Exhaust Gas Temperature Sensor Bank 1 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 4 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
- P246F GMC indicates Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 4.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 4, Exhaust Gas Temperature Sensor Bank 1 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 4 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.
Code P246F GMC Description
What are the Possible Causes of the DTC P246F GMC?
- Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 4
- Exhaust Gas Temperature Sensor Bank 1 Sensor 4 harness is open or shorted
- Exhaust Gas Temperature Sensor Bank 1 Sensor 4 circuit poor electrical connection
- Exhaust leaks
- Excessive particulate matter buildup on sensor
How to Fix the DTC P246F GMC?
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 P246F GMC 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 P246F GMC code?
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Frequently Asked Questions about P246F GMC Code
1. What are common symptoms of OBDII code P246F GMC?
- Common symptoms include reduced engine performance, decreased fuel efficiency, and the illumination of the check engine light.
2. What causes OBDII code P246F GMC to be triggered?
- This code is typically triggered by a faulty exhaust gas temperature sensor, wiring issues, or a problem with the sensor circuit.
3. How can I diagnose the cause of OBDII code P246F GMC?
- Diagnosing the issue involves using a scan tool to read the code, checking the exhaust gas temperature sensor and its wiring for damage, and testing the sensor's functionality.
4. Can I continue driving my vehicle with OBDII code P246F GMC?
- It is not recommended to continue driving with this code active, as it can lead to further damage to the engine or emissions system.
5. What are some repair tips for fixing OBDII code P246F GMC?
- Repair tips include replacing the faulty exhaust gas temperature sensor, repairing any damaged wiring, and clearing the code with a scan tool after the repair.
6. Is it possible to reset OBDII code P246F GMC without fixing the underlying issue?
- While you can clear the code temporarily, it will likely return if the root cause of the issue is not addressed.
7. Can a DIY enthusiast repair OBDII code P246F GMC?
- Depending on your mechanical skills and access to tools, you may be able to replace the exhaust gas temperature sensor yourself. However, diagnosing and repairing wiring issues may require professional assistance.
8. How much does it typically cost to repair OBDII code P246F GMC?
- Repair costs can vary depending on the underlying issue, but replacing the exhaust gas temperature sensor can range from $100 to $300, including parts and labor.
9. Are there any preventive measures to avoid OBDII code P246F GMC in the future?
- Regularly inspecting and maintaining the exhaust gas temperature sensor and its wiring can help prevent this code from appearing in the future.
10. How urgent is it to address OBDII code P246F GMC once detected?
- It is recommended to address this code promptly to prevent potential damage to the engine or emissions system and restore optimal vehicle performance.
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