P2489 Chevrolet Code - Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
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 5, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 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
- P2489 Chevrolet indicates Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 5, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 2 Sensor 5 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 P2489 Chevrolet Description
What are the Possible Causes of the DTC P2489 Chevrolet?
- Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 2 Sensor 5
- Exhaust Gas Temperature Sensor Bank 2 Sensor 5 harness is open or shorted
- Exhaust Gas Temperature Sensor Bank 2 Sensor 5 circuit poor electrical connection
- Exhaust leaks
- Excessive particulate matter buildup on sensor
How to Fix the DTC P2489 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 P2489 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 P2489 Chevrolet Code
1. What does the OBDII code P2489 mean on a Chevrolet?
P2489 indicates an intermittent or erratic signal from the Exhaust Gas Temperature (EGT) Sensor on Bank 2, Sensor 5. This sensor monitors exhaust temperature to ensure proper emissions performance.
2. What are the symptoms of a P2489 code on a Chevrolet?
Common symptoms include the Check Engine Light turning on, reduced engine performance, increased emissions, and potential overheating of the exhaust system.
3. What causes the P2489 code on a Chevrolet?
Causes may include a faulty EGT sensor, damaged wiring or connectors, excessive soot buildup on the sensor, or an issue with the vehicle's PCM (Powertrain Control Module).
4. Can I drive my Chevrolet with a P2489 code?
Driving with this code is not recommended as it may lead to increased emissions, reduced fuel efficiency, or damage to the catalytic converter if the issue isn’t resolved.
5. How do I diagnose the P2489 code on my Chevrolet?
Diagnose the code by inspecting the EGT sensor wiring and connectors for damage, testing the sensor's resistance with a multimeter, and checking the PCM for software updates or malfunctions.
6. How is the P2489 code repaired on a Chevrolet?
Repairs may include replacing the faulty EGT sensor, repairing or replacing damaged wiring, cleaning soot from the sensor, or reprogramming or replacing the PCM if necessary.
7. Where is Bank 2 Sensor 5 located on a Chevrolet?
Bank 2 refers to the side of the engine opposite Cylinder 1, and Sensor 5 is typically located further downstream in the exhaust system, such as near or after the catalytic converter.
8. How much does it cost to fix a P2489 code on a Chevrolet?
Repair costs can vary widely but may range from $150 to $400, depending on whether the issue is with the sensor, wiring, or PCM.
9. Can a dirty EGT sensor cause a P2489 code?
Yes, excessive soot or debris on the sensor can interfere with its ability to measure exhaust gas temperatures, leading to an intermittent or erratic signal.
10. Will clearing the P2489 code fix the problem on my Chevrolet?
Clearing the code will turn off the Check Engine Light temporarily, but the underlying issue must be addressed to prevent the code from returning.
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