P2240 Dodge Code - O2 Sensor Positive Current Control Circuit Open Bank 2 Sensor 1
Quick Answer
The Front Oxygen Sensor (O2 Sensor 1) is placed into the exhaust manifold. Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Front Heated Oxygen Sensor Bank 2 harness is open or shorted, Front Heated Oxygen Sensor Bank 2 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
- P2240 Dodge indicates O2 Sensor Positive Current Control Circuit Open Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Front Heated Oxygen Sensor Bank 2 harness is open or shorted, Front Heated Oxygen Sensor Bank 2 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 P2240 Dodge Description
What are the Possible Causes of the DTC P2240 Dodge?
- Faulty Front Heated Oxygen Sensor Bank 2
- Front Heated Oxygen Sensor Bank 2 harness is open or shorted
- Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
How to Fix the DTC P2240 Dodge?
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 P2240 Dodge 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 P2240 Dodge Code
1. What does the OBDII code P2240 mean on a Dodge vehicle?
P2240 indicates an open circuit in the O2 Sensor Positive Current Control for Bank 2 Sensor 1. This means the sensor is not functioning properly due to a wiring or component issue.
2. What are the common symptoms of the P2240 code on a Dodge?
Symptoms include poor fuel economy, rough idling, engine hesitation, and the check engine light turning on.
3. What causes the P2240 code to appear?
Common causes include damaged wiring or connectors, a faulty oxygen sensor, or issues with the engine control module (ECM).
4. Is it safe to drive a Dodge with the P2240 code?
While the vehicle might still be operable, driving with this code can lead to reduced fuel efficiency and potential engine damage if not addressed promptly.
5. How can I diagnose the P2240 code on my Dodge?
Start by inspecting the wiring and connectors for Bank 2 Sensor 1. Use a multimeter to test for continuity and check the O2 sensor's functionality with an OBDII scanner.
6. What repairs are typically needed for the P2240 code in a Dodge?
Repairs may involve replacing the Bank 2 Sensor 1 oxygen sensor, repairing damaged wiring or connectors, or updating/replacing the ECM if necessary.
7. Can a dirty or contaminated oxygen sensor cause the P2240 code?
Yes, contamination from oil, coolant, or exhaust residue can impair the sensor's functionality, leading to this code.
8. How much does it cost to fix the P2240 code on a Dodge?
The cost varies depending on the specific issue but typically ranges from $150 to $400 for parts and labor, with oxygen sensor replacement being the most common solution.
9. Can a P2240 code be caused by other engine problems?
Yes, issues such as exhaust leaks or a failing catalytic converter can affect the oxygen sensor’s readings and trigger this code.
10. How can I prevent the P2240 code from recurring?
Regular maintenance, including inspecting wiring and ensuring proper sensor installation, can help prevent this code from reappearing.
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