P2474 Chevrolet 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 Chevrolet 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 Chevrolet Description
What are the Possible Causes of the DTC P2474 Chevrolet?
- 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 Chevrolet?
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 Chevrolet 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 Chevrolet Code
1. What are the common symptoms of OBDII code P2474 in a Chevrolet?
- Common symptoms include reduced engine performance, increased fuel consumption, and potential issues with the exhaust system.
2. What causes OBDII code P2474 to trigger in a Chevrolet?
- The code is typically triggered by a fault in the exhaust gas temperature sensor circuit of Bank 2 Sensor 4, which could be caused by a faulty sensor, wiring issues, or a problem with the engine control module.
3. How can I diagnose OBDII code P2474 in my Chevrolet?
- Diagnosis involves checking the exhaust gas temperature sensor, inspecting the wiring for any damage or loose connections, and using a scan tool to monitor sensor readings and confirm the fault.
4. Can I still drive my Chevrolet with OBDII code P2474 present?
- While it may be possible to drive the vehicle with the code present, it is not recommended as it can lead to further engine or exhaust system damage. It's best to address the issue promptly.
5. How can I repair OBDII code P2474 in my Chevrolet?
- Repair options include replacing the exhaust gas temperature sensor, repairing any damaged wiring, or reprogramming the engine control module to rectify the fault.
6. Will OBDII code P2474 cause my Chevrolet to fail an emissions test?
- Yes, OBDII code P2474 indicates a potential issue with the emissions control system, which could cause your Chevrolet to fail an emissions test.
7. Is it safe to ignore OBDII code P2474 in my Chevrolet?
- Ignoring the code can lead to poor engine performance, reduced fuel efficiency, and potential damage to the exhaust system. It is recommended to address the issue promptly.
8. Can a DIY enthusiast fix OBDII code P2474 in a Chevrolet?
- Depending on the level of expertise, a DIY enthusiast may be able to diagnose and replace the exhaust gas temperature sensor or repair wiring issues. However, complex diagnostics and reprogramming may require professional help.
9. How much does it cost to repair OBDII code P2474 in a Chevrolet?
- The cost of repairing OBDII code P2474 can vary depending on the cause of the fault, labor rates, and parts costs. It's best to consult a mechanic for an accurate estimate.
10. Will resetting the OBDII code P2474 in my Chevrolet make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not fixed, the code is likely to return. It's important to diagnose and repair the root cause to prevent future occurrences.
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