Engine-CodesHonda – P0112 2010 Honda Accord

P0112 2010 Honda Accord Code - Intake Air Temperature Circuit Low Voltage

Quick Answer

The P0112 code on a 2010 Honda Accord indicates a problem with the Intake Air Temperature (IAT) sensor circuit, specifically that the voltage is too low. Common causes include Faulty IAT sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit. 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 2010 Honda Accord indicates Intake Air Temperature Circuit Low Voltage.
Common causes
Common causes include Faulty IAT sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit.
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code P0112 2010 Honda Accord Description

The P0112 code on a 2010 Honda Accord indicates a problem with the Intake Air Temperature (IAT) sensor circuit, specifically that the voltage is too low. The IAT sensor is responsible for measuring the temperature of the air entering the engine, which is crucial for the engine control unit (ECU) to adjust the air-fuel mixture for optimal combustion. When the voltage from the IAT sensor is too low, it can lead to incorrect fuel delivery, ignition timing, and overall engine performance.

OBDII Code P0112 2010 Honda Accord - Intake Air Temperature Circuit Low Voltage
P0112 2010 Honda Accord Code - Intake Air Temperature Circuit Low Voltage

Common Causes of P0112 2010 Honda Accord

  1. Faulty IAT sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. ECU malfunction
  5. Intake air leaks near the sensor

Symptoms of P0112 2010 Honda Accord

  1. Poor fuel efficiency
  2. Rough idling
  3. Hesitation during acceleration
  4. Engine stalling
  5. Check Engine Light illuminated

How to Fix P0112 2010 Honda Accord

  1. Begin by locating the IAT sensor, typically located near the air intake duct or air filter housing.
  2. Inspect the sensor and its wiring for any visible damage, corrosion, or loose connections.
  3. Test the sensor using a multimeter to check for proper voltage output.
  4. If the sensor is faulty, replace it with a new one following manufacturer guidelines.
  5. Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0112 2010 Honda Accord

The cost of repairing a P0112 code on a 2010 Honda Accord can vary depending on the specific cause of the issue. In general, the price of a new IAT sensor ranges from $20 to $50, while labor costs can range from $80 to $150 per hour. Therefore, the total repair cost could be anywhere from $100 to $300, including parts and labor. It's recommended to consult with a local auto repair shop for a more accurate estimate based on your location and vehicle specifics.

When is the Code Detected?

An excessively low voltage from the sensor is sent to ECM.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0112 2010 Honda Accord Code

1. What are the common symptoms of OBDII code P0112 in a 2010 Honda Accord?

- Common symptoms include rough idling, poor fuel economy, hesitation during acceleration, and potential stalling.

2. What does the OBDII code P0112 on a 2010 Honda Accord indicate?

- The code P0112 indicates a fault in the Intake Air Temperature (IAT) sensor circuit, specifically low voltage.

3. What are the possible causes of the Intake Air Temperature Circuit Low Voltage code in a 2010 Honda Accord?

- Possible causes include a faulty IAT sensor, damaged wiring or connectors in the IAT circuit, or a problem with the engine control module (ECM).

4. How can I diagnose the cause of OBDII code P0112 in my 2010 Honda Accord?

- To diagnose the issue, you can use a multimeter to test the IAT sensor for proper resistance, check the wiring and connectors for damage, and inspect the ECM for any faults.

5. Can a dirty air filter trigger the P0112 code in a 2010 Honda Accord?

- While a dirty air filter itself may not directly cause the P0112 code, restricted airflow due to a heavily clogged air filter can affect the IAT sensor readings and lead to related issues.

6. Is it safe to drive my 2010 Honda Accord with the P0112 code present?

- It is not recommended to drive your vehicle with the P0112 code active, as it can affect engine performance and potentially lead to other problems if left unresolved.

7. What are some repair tips for resolving the Intake Air Temperature Circuit Low Voltage code in a 2010 Honda Accord?

- Repair tips include checking and cleaning the IAT sensor, repairing any damaged wiring or connectors, and resetting the fault code to see if it returns.

8. Can a DIY enthusiast fix the P0112 code in a 2010 Honda Accord?

- Depending on your skill level and access to tools, you may be able to address the P0112 code yourself by following diagnostic procedures and making necessary repairs to the IAT circuit.

9. How much can I expect to pay for professional repairs for the P0112 code in a 2010 Honda Accord?

- The cost of professional repairs for the P0112 code can vary, but it may include diagnostic fees, parts replacement, and labor, which could range from $100 to $300 or more.

10. How can I prevent the Intake Air Temperature Circuit Low Voltage code from reoccurring in my 2010 Honda Accord?

- To prevent the P0112 code from coming back, ensure proper maintenance of the IAT sensor and associated components, regularly inspect the wiring for any signs of wear, and address any engine issues promptly.

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