P2489
Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
P2489 is an OBD-II diagnostic trouble code meaning: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5. Common causes: exhaust temperature sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $33–89.
Symptoms
- Check Engine light comes on
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Incorrect exhaust gas temperature readings
Causes
- Exhaust temperature sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Wiring harness damage
- Problems with the engine control unit
How to Fix
- Check the integrity of the sensor circuit
- Inspect connectors and contacts for corrosion
- Check the resistance of the exhaust temperature sensor
- Replace the faulty sensor if necessary
- Reset the error code and check the system
Related codes
Error P2489 by Vehicle Brand
FAQ
What does the P2489 code mean?
P2489 is an OBD-II diagnostic trouble code that indicates: Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5
What causes a P2489 error code?
The most common causes of P2489 include: Exhaust temperature sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Wiring harness damage.
How do I fix a P2489 diagnostic trouble code?
To fix P2489: Check the integrity of the sensor circuit. Inspect connectors and contacts for corrosion. Check the resistance of the exhaust temperature sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2489?
Yes, but get it checked soon
How much does it cost to fix P2489?
The estimated repair cost for P2489 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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