P2473 GMC Code - Exhaust Gas Temperature Sensor Circuit Bank 2 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 2 Sensor 4, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 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
- P2473 GMC indicates Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 4.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 4, Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 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 P2473 GMC Description
What are the Possible Causes of the DTC P2473 GMC?
- Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 4
- Exhaust Gas Temperature Sensor Bank 2 Sensor 4 harness is open or shorted
- Exhaust Gas Temperature Sensor Bank 2 Sensor 4 circuit poor electrical connection
- Exhaust leaks
- Excessive particulate matter buildup on sensor
How to Fix the DTC P2473 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 P2473 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 P2473 GMC code?
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Frequently Asked Questions about P2473 GMC Code
1. What are the common symptoms of OBDII code P2473 GMC?
- Common symptoms include poor engine performance, reduced fuel efficiency, and the illumination of the check engine light.
2. What does the OBDII code P2473 GMC indicate?
- This code indicates a problem with the exhaust gas temperature sensor circuit in Bank 2 Sensor 4 of the vehicle.
3. What are the possible causes of OBDII code P2473 GMC?
- Possible causes include a faulty exhaust gas temperature sensor, wiring issues, poor electrical connections, or a failed sensor module.
4. How can I diagnose the OBDII code P2473 GMC?
- Diagnosis involves using an OBDII scanner to retrieve the trouble codes, inspecting the exhaust gas temperature sensor and its wiring, and testing the sensor's functionality.
5. Can I still drive my vehicle with OBDII code P2473 GMC?
- It is generally not recommended to drive your vehicle with this code present to prevent potential damage to the engine and emissions system.
6. How can I repair OBDII code P2473 GMC?
- Repair may involve replacing the faulty exhaust gas temperature sensor, repairing damaged wiring, ensuring proper electrical connections, or replacing the sensor module.
7. Are there any DIY tips for fixing OBDII code P2473 GMC?
- DIY tips include checking for loose or damaged wiring, cleaning electrical connections, and following a service manual for sensor replacement.
8. How critical is it to address OBDII code P2473 GMC promptly?
- It is important to address this code promptly to prevent further damage to the engine, ensure optimal fuel efficiency, and maintain proper emissions levels.
9. Can a mechanic help with diagnosing and repairing OBDII code P2473 GMC?
- Yes, a qualified mechanic can efficiently diagnose and repair OBDII code P2473 GMC using specialized tools and expertise.
10. How can I prevent OBDII code P2473 GMC from recurring in the future?
- Regular maintenance, including checking the exhaust gas temperature sensor and its wiring, can help prevent the recurrence of OBDII code P2473 GMC.
Discuss the causes and fixes for P2473 GMC OBDII Code
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