P2245 Hyundai Code - O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1
Quick Answer
The Front Oxygen Sensor (O2 Sensor 1) is placed into the exhaust manifold. Common causes include Faulty Front Oxygen Sensor Bank 1, Front Oxygen Sensor Bank 1 harness is open or shorted, Front Oxygen Sensor Bank 1 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
- P2245 Hyundai indicates O2 Sensor Reference Voltage Circuit Low Bank 1 Sensor 1.
- Common causes
- Common causes include Faulty Front Oxygen Sensor Bank 1, Front Oxygen Sensor Bank 1 harness is open or shorted, Front Oxygen Sensor Bank 1 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 P2245 Hyundai Description
What are the Possible Causes of the DTC P2245 Hyundai?
- Faulty Front Oxygen Sensor Bank 1
- Front Oxygen Sensor Bank 1 harness is open or shorted
- Front Oxygen Sensor Bank 1 circuit poor electrical connection
How to Fix the DTC P2245 Hyundai?
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 P2245 Hyundai 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 P2245 Hyundai Code
1. What does the OBDII code P2245 mean for a Hyundai?
P2245 indicates that the oxygen (O2) sensor reference voltage circuit for Bank 1 Sensor 1 is reading abnormally low, which may affect engine performance and emissions.
2. What are the symptoms of the P2245 code in a Hyundai?
Common symptoms include poor fuel efficiency, rough idling, engine hesitation, an illuminated check engine light, and potential engine misfires.
3. What causes the P2245 code to appear on a Hyundai?
Typical causes include a faulty O2 sensor, damaged wiring or connectors in the reference voltage circuit, a malfunctioning ECM, or corrosion in the sensor connections.
4. Which O2 sensor is affected by the P2245 code?
The code refers to Bank 1 Sensor 1, which is the upstream (pre-catalytic converter) oxygen sensor on the side of the engine with cylinder 1.
5. Can I keep driving my Hyundai with a P2245 code?
Driving with this code is not recommended, as it can lead to poor fuel economy, increased emissions, and potential damage to the catalytic converter over time.
6. How can I diagnose the P2245 code on my Hyundai?
Start by inspecting the wiring and connectors for damage or corrosion. Then, use a multimeter to test the sensor reference voltage and compare it to the manufacturer’s specifications.
7. How do I fix the P2245 code on a Hyundai?
Repairs may include replacing the faulty O2 sensor, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming or replacing the ECM if necessary.
8. How much does it cost to repair a P2245 code on a Hyundai?
The cost can range from $150 to $400 or more, depending on whether the O2 sensor, wiring, or ECM needs repair or replacement.
9. Can a dirty air filter cause a P2245 code on a Hyundai?
No, a dirty air filter is unlikely to cause this specific code, as it is related to the O2 sensor’s reference voltage circuit rather than airflow.
10. Will clearing the P2245 code fix the problem?
Clearing the code may turn off the check engine light temporarily, but if the underlying issue isn’t addressed, the code will likely return.
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