P0112 Dodge Code - Intake Air Temperature Sensor 1 Circuit Low
Quick Answer
The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. Common causes include Faulty Intake Air Temperature (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted. 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 (IAT) sensor, Dirty air filter, Intake Air Temperature (IAT) sensor harness is open or shorted.
- 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 P0112 Dodge Description
What are the Possible Causes of the DTC P0112 Dodge?
- Faulty Intake Air Temperature (IAT) sensor
- Dirty air filter
- Intake Air Temperature (IAT) sensor harness is open or shorted
- Intake Air Temperature (IAT) sensor circuit poor electrical connection
How to Fix the DTC P0112 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 P0112 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 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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