
The P0113 Chrysler code in Chrysler vehicles refers to a potential issue with the Intake Air Temperature (IAT) sensor circuit.
This code is specific to Chrysler vehicles and can occur in various models, including sedans, SUVs, and minivans.
In this article, we will explore the causes, symptoms, and possible solutions for the P0113 code in Chrysler vehicles.
Contents
Understanding the P0113 Code
The P0113 code indicates a problem with the Intake Air Temperature (IAT) sensor circuit. The IAT sensor measures the temperature of the air entering the engine.
This information is crucial for the engine control module (ECM) to adjust the fuel mixture and ignition timing for optimal performance.
When the ECM detects an issue with the IAT sensor circuit, it triggers the P0113 code and illuminates the Check Engine Light (CEL) on the dashboard. This serves as an indicator for the driver and signals the need for immediate attention.
Common Causes of the P0113 Chrysler Code
Several factors can contribute to the occurrence of the P0113 code in Chrysler vehicles. These include:
Faulty IAT Sensor
A malfunctioning or damaged IAT sensor can cause inaccurate temperature readings or a complete failure in the sensor circuit, triggering the P0113 code. It is essential to ensure that the sensor is functioning correctly and replace it if necessary.
Wiring Issues

Damaged or corroded wiring connections, loose connectors, or short circuits in the IAT sensor circuit can lead to the P0113 code. Thoroughly inspect the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace any faulty components as necessary.
Intake Air Temperature Sensor Placement
If the IAT sensor is incorrectly positioned or installed in a location where it doesn’t accurately measure the intake air temperature, it can cause the P0113 code.
Verify that the IAT sensor is correctly positioned and installed in a location that allows it to measure the intake air temperature accurately.
ECM Malfunction
In rare cases, a faulty ECM can mistakenly interpret IAT sensor readings, triggering the P0113 code even if the sensor and wiring are functioning correctly.
If all other components check out, it may be necessary to perform further diagnostics to ensure the ECM is operating correctly. This may require specialized equipment and expertise.
Symptoms of the P0113 Code
When the P0113 code is triggered in a Chrysler vehicle, you may experience one or more of the following symptoms:
Illuminated Check Engine Light
The most common symptom is the illumination of the CEL on the dashboard, indicating a problem with the IAT sensor circuit. It is essential not to ignore this warning and address the issue promptly.
Decreased Fuel Efficiency

As the ECM receives incorrect temperature readings from the IAT sensor, it may fail to adjust the fuel mixture accurately, leading to reduced fuel efficiency. This can result in higher fuel consumption and increased costs.
Engine Performance Issues
You might notice a decrease in engine performance, such as rough idling, hesitation, or reduced power output. These issues can affect your driving experience and may indicate a problem with the IAT sensor circuit.
Poor Cold-Start Performance
In cold weather conditions, a faulty IAT sensor may prevent the engine from starting smoothly or cause extended cranking times. This can be particularly frustrating and inconvenient, especially during winter months.
Diagnosing the P0113 Code
Understanding how this issue manifests in various cars, such as other models, adds a layer of comprehensive awareness to your diagnostic toolkit.
To diagnose the P0113 code in a Chrysler vehicle, it is recommended to follow these steps:
Scan the ECM
Use a diagnostic scanner to retrieve the trouble codes stored in the ECM. The P0113 code should be displayed along with any other relevant codes. This step will help identify the specific issue and guide the diagnostic process.
Inspect the Wiring and Connectors
Thoroughly inspect the IAT sensor wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace any faulty components as necessary.
Properly functioning wiring and connectors are crucial for accurate temperature readings.
Check the IAT Sensor Placement
Verify that the IAT sensor is correctly positioned and installed in a location that allows it to measure the intake air temperature accurately. Incorrect sensor placement can lead to inaccurate readings and trigger the P0113 code.
Test the IAT Sensor
Measure the resistance of the IAT sensor using a multimeter. Compare the readings with the manufacturer’s specifications to determine if the sensor is functioning correctly. Any significant deviations from the specified range may indicate a faulty sensor that needs to be replaced.
Verify ECM Functionality
If all other components check out, it may be necessary to perform further diagnostics to ensure the ECM is operating correctly. This may require specialized equipment and expertise. It is essential to rule out any ECM malfunctions to accurately diagnose and resolve the P0113 code.
Resolving the P0113 Code
Once the issue causing the P0113 code is identified, you can take appropriate steps to resolve it. Here are some potential solutions:
Replace or Repair the IAT Sensor
If the IAT sensor is faulty or damaged, replace it with a new, OEM-approved sensor. Ensure proper installation and correct sensor placement. A functioning IAT sensor is crucial for accurate temperature readings and optimal engine performance.
Repair Wiring Issues
If wiring problems are identified, repair or replace the damaged wiring or connectors. Ensure proper connection and secure the wiring harness.
Properly functioning wiring is essential for reliable sensor readings and overall system functionality.
Clear the Trouble Codes
After addressing the underlying issue, use a diagnostic scanner to clear the trouble codes from the ECM. This will turn off the CEL and reset the system.
It is important to ensure that the issue has been resolved before clearing the codes to avoid any recurring problems.
Seek Professional Assistance
If you are unsure about diagnosing or resolving the P0113 code, it is recommended to consult a qualified technician or automotive service professional with expertise in Chrysler vehicles.
They have the knowledge and specialized tools to accurately diagnose and repair the issue, ensuring the long-term reliability of your vehicle.
Conclusion
The P0113 code in Chrysler vehicles indicates a potential problem with the Intake Air Temperature (IAT) sensor circuit. It is essential to address this issue promptly to prevent further complications and ensure optimal engine performance.
By following the diagnostic steps and implementing the appropriate solutions, you can resolve the P0113 code and enjoy a trouble-free driving experience in your Chrysler vehicle.
FAQ
1. What does the P0113 code in Chrysler vehicles indicate?
The P0113 code indicates a problem with the Intake Air Temperature (IAT) sensor circuit in Chrysler vehicles.
2. What are the common causes of the P0113 code?
The common causes of the P0113 code include a faulty IAT sensor, wiring issues, incorrect sensor placement, and ECM malfunction.
3. What are the symptoms of the P0113 code?
The symptoms of the P0113 code may include an illuminated Check Engine Light, decreased fuel efficiency, engine performance issues, and poor cold-start performance.
4. How can I diagnose and resolve the P0113 code?
To diagnose the P0113 code, you can scan the ECM, inspect the wiring and connectors, check the IAT sensor placement, test the IAT sensor, and verify ECM functionality.
To resolve the code, you may need to replace or repair the IAT sensor, repair wiring issues, clear the trouble codes, or seek professional assistance.