P2474 GMC Code - Exhaust Gas Temperature Sensor Circuit Range/Performance 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
- P2474 GMC indicates Exhaust Gas Temperature Sensor Circuit Range/Performance 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 P2474 GMC Description
What are the Possible Causes of the DTC P2474 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 P2474 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 P2474 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.
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Frequently Asked Questions about P2474 GMC Code
1. What are common symptoms of OBDII code P2474 GMC?
- Common symptoms include reduced engine performance, increased fuel consumption, and the illumination of the Check Engine light.
2. What does OBDII code P2474 GMC indicate?
- This code indicates an issue with the Exhaust Gas Temperature Sensor Circuit Range/Performance for Bank 2 Sensor 4 in a GMC vehicle.
3. What are possible causes of OBDII code P2474 GMC?
- Possible causes include a faulty exhaust gas temperature sensor, wiring or connection issues, exhaust system leaks, or a malfunctioning engine control module (ECM).
4. How can I diagnose the cause of OBDII code P2474 GMC?
- Diagnosis typically involves checking the exhaust gas temperature sensor's resistance, inspecting the wiring and connections for damage, and performing a thorough inspection of the exhaust system.
5. Can I continue driving with OBDII code P2474 GMC?
- It is not recommended to continue driving with this code as it can lead to potential engine damage and may cause further issues if left unresolved.
6. How can I repair OBDII code P2474 GMC?
- Repair may involve replacing the exhaust gas temperature sensor, repairing any damaged wiring or connections, fixing exhaust leaks, or resetting the ECM after addressing the underlying issue.
7. Is it possible to reset OBDII code P2474 GMC without making repairs?
- While clearing the code may temporarily turn off the Check Engine light, it is not a permanent solution as the underlying issue causing the code will still persist.
8. Can a DIY enthusiast fix OBDII code P2474 GMC?
- Depending on the root cause, some DIY enthusiasts may be able to address this code by replacing the sensor or fixing minor wiring issues. However, more complex issues may require professional assistance.
9. How much does it cost to fix OBDII code P2474 GMC?
- The cost of fixing this code can vary depending on the specific issue, parts needed, and labor rates. It is recommended to obtain quotes from local mechanics or dealerships for an accurate estimate.
10. How often does OBDII code P2474 GMC occur in GMC vehicles?
- While not as common as some other OBDII codes, P2474 can still occur in GMC vehicles, especially in models equipped with exhaust gas temperature sensors.
Discuss the causes and fixes for P2474 GMC OBDII Code
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