P1115 2009 Ford Fusion Code - Intake Air Temperature Sensor 2 Circuit High
Quick Answer
The IAT sensor is a thermistor device in which resistance changes with temperature. Common causes include Faulty Intake Air Temperature Sensor 2, Intake Air Temperature Sensor 2 harness is open or shorted, Intake Air Temperature Sensor 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1115 2009 Ford Fusion indicates Intake Air Temperature Sensor 2 Circuit High.
- Common causes
- Common causes include Faulty Intake Air Temperature Sensor 2, Intake Air Temperature Sensor 2 harness is open or shorted, Intake Air Temperature Sensor 2 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1115 2009 Ford Fusion Description
Thermistor-type sensors are considered passive sensors. A passive sensor is connected to a voltage divider network so that varying the resistance of the passive sensor causes a variation in total current flow. Voltage that is dropped across a fixed resistor in a series with the sensor resistor determines the voltage signal at the PCM. This voltage signal is equal to the reference voltage minus the voltage drop across the fixed resistor.
The IAT sensor provides air temperature information to the PCM. The PCM uses the air temperature information as a correction factor in the calculation of fuel, spark, and air flow.
The IAT sensor provides a quicker temperature change response time than the ECT or CHT sensor.
Currently there are 2 types of IAT sensors used, a stand alone, non-integrated type and an integrated type. Both types function the same, however the integrated type is incorporated into the mass air flow (MAF) sensor instead of being a stand-alone sensor.
What are the Possible Causes of the DTC P1115 2009 Ford Fusion?
- Faulty Intake Air Temperature Sensor 2
- Intake Air Temperature Sensor 2 harness is open or shorted
- Intake Air Temperature Sensor 2 circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
How to Fix the DTC P1115 2009 Ford Fusion?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1115 2009 Ford Fusion 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.
Need more information about the P1115 2009 Ford Fusion code?
Need more information on how to fix the P1115 2009 Ford Fusion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1115 2009 Ford Fusion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1115 2009 Ford Fusion Code
1. What are the common symptoms of OBDII code P1115 on a 2009 Ford Fusion?
- Common symptoms include poor engine performance, reduced fuel efficiency, and potential engine stalling.
2. What does the OBDII code P1115 on a 2009 Ford Fusion indicate?
- The code P1115 indicates a problem with the Intake Air Temperature Sensor 2 Circuit showing a high voltage.
3. What are the possible causes of the Intake Air Temperature Sensor 2 Circuit High code on a 2009 Ford Fusion?
- Possible causes include a faulty intake air temperature sensor, wiring issues, or a problem with the sensor's circuit.
4. How can I diagnose the Intake Air Temperature Sensor 2 Circuit High issue on my 2009 Ford Fusion?
- You can use a multimeter to test the intake air temperature sensor's resistance and voltage to determine if it is functioning correctly.
5. Can I still drive my 2009 Ford Fusion with the P1115 code present?
- It is not recommended to drive the vehicle with the P1115 code active, as it can lead to further engine damage or poor performance.
6. How can I repair the Intake Air Temperature Sensor 2 Circuit High issue on my 2009 Ford Fusion?
- Repair options include replacing the intake air temperature sensor, repairing any damaged wiring, or addressing any circuit issues.
7. Will resetting the OBDII code P1115 on my 2009 Ford Fusion make it go away permanently?
- Resetting the code may temporarily clear the warning light, but if the underlying issue is not addressed, the code is likely to reappear.
8. Is it possible to clean the intake air temperature sensor to fix the P1115 code on a 2009 Ford Fusion?
- In some cases, cleaning the sensor may temporarily improve its performance, but if the code persists, replacement is usually necessary.
9. Can extreme weather conditions cause the Intake Air Temperature Sensor 2 Circuit High code on a 2009 Ford Fusion?
- Yes, extreme temperatures can sometimes affect the intake air temperature sensor's readings, leading to the P1115 code.
10. How much does it typically cost to repair the Intake Air Temperature Sensor 2 Circuit High issue on a 2009 Ford Fusion?
- The cost of repair can vary depending on the specific problem, but it generally ranges from $100 to $300 for parts and labor.
Discuss the causes and fixes for P1115 2009 Ford Fusion OBDII Code
Code P1115 2009 Ford Fusion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
