P0112 Dodge Code - Intake Air Temperature Sensor 1 Circuit Low
Quick Answer
The P0112 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the Intake Air Temperature Sensor 1 Circuit being low. Common causes include Faulty Intake Air Temperature Sensor, Wiring issues or a short circuit in the sensor circuit, Corrosion or poor connection in the sensor connector. 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
- P0112 Dodge indicates Intake Air Temperature Sensor 1 Circuit Low.
- Common causes
- Common causes include Faulty Intake Air Temperature Sensor, Wiring issues or a short circuit in the sensor circuit, Corrosion or poor connection in the sensor connector.
- 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.
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Code P0112 Dodge Description
The P0112 diagnostic trouble code (DTC) for Dodge vehicles indicates a problem with the Intake Air Temperature Sensor 1 Circuit being low. This sensor is responsible for measuring the temperature of the air entering the engine, which is crucial for the engine control unit (ECU) to adjust fuel injection and ignition timing. When the sensor detects that the temperature is lower than expected, it can lead to incorrect fuel mixture, timing, and overall engine performance.
Common Causes of P0112 Dodge
- Faulty Intake Air Temperature Sensor
- Wiring issues or a short circuit in the sensor circuit
- Corrosion or poor connection in the sensor connector
- Engine coolant temperature sensor malfunction
- ECU malfunction
Symptoms of P0112 Dodge
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Check Engine Light illuminated
- Reduced engine power
How to Fix P0112 Dodge
- Start by locating the Intake Air Temperature Sensor, usually located near the air filter housing or intake manifold.
- Inspect the sensor and its wiring for any visible damage or corrosion.
- Test the sensor using a multimeter to check for resistance and voltage readings.
- Replace the sensor if it is found to be faulty, ensuring proper installation and connection.
- Clear the DTC using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0112 Dodge
The cost of repairing the Intake Air Temperature Sensor 1 Circuit Low issue can vary depending on the specific Dodge model and year. On average, the cost of a new sensor can range from $20 to $50, while labor costs can range from $50 to $100 per hour. In total, the repair could cost between $100 to $300. It is recommended to consult with a professional mechanic or dealership for an accurate estimate based on your vehicle's specific needs.
When is the Code Detected?
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Frequently Asked Questions about P0112 Dodge Code
1. What does the P0112 code mean on a Dodge?
The P0112 code indicates that the Intake Air Temperature (IAT) Sensor 1 is reporting a low voltage signal to the Powertrain Control Module (PCM), which suggests the air intake temperature reading is unusually low.
2. What are the symptoms of a P0112 code on a Dodge?
Common symptoms include poor fuel economy, rough idling, difficulty starting, reduced engine performance, and the Check Engine Light turning on.
3. What causes the P0112 code on a Dodge?
Possible causes include a faulty IAT sensor, damaged or corroded wiring, a shorted circuit, a dirty air filter, or issues with the PCM.
4. Can I drive my Dodge with a P0112 code?
While the vehicle may still be drivable, it could experience reduced performance and fuel efficiency. Prolonged driving without addressing the issue could lead to further engine problems.
5. How do I fix the P0112 code on my Dodge?
Start by inspecting the IAT sensor and wiring for damage or corrosion. Replace the sensor if necessary. Also, check the air filter and intake system for blockages or dirt.
6. Where is the IAT sensor located on a Dodge?
The IAT sensor is typically located in the intake manifold or near the air filter housing, depending on the Dodge model.
7. How much does it cost to fix the P0112 code on a Dodge?
The cost can vary, but replacing an IAT sensor generally ranges from $50 to $200, including labor. Additional costs may apply if wiring repairs or further diagnostics are needed.
8. Can a dirty air filter cause the P0112 code on a Dodge?
Yes, a dirty or clogged air filter can restrict airflow, potentially affecting the IAT sensor readings and triggering the code.
9. How can I test the IAT sensor on my Dodge?
You can use a multimeter to measure the resistance of the IAT sensor. Compare the readings to the manufacturer’s specifications to determine if the sensor is functioning correctly.
10. Will clearing the P0112 code fix the problem permanently?
Clearing the code may turn off the Check Engine Light temporarily, but the issue will likely return if the underlying problem isn’t resolved.
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