AutoCodes – Nissan – P0112 2012 Nissan Versa

P0112 2012 Nissan Versa Code - Intake Air Temperature Circuit Low Input

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 2012 Nissan Versa indicates Intake Air Temperature Circuit Low Input.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,048
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0112 2012 Nissan Versa Description

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.
OBDII Code P0112 2012 Nissan Versa - Intake Air Temperature Circuit Low Input - AutoCodes.com
P0112 2012 Nissan Versa Code - Intake Air Temperature Circuit Low Input

What are the Possible Causes of the DTC P0112 2012 Nissan Versa?

  • 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 2012 Nissan Versa?

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 2012 Nissan Versa 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 P0112 2012 Nissan Versa code?

Need more information on how to fix the P0112 2012 Nissan Versa code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2012 Nissan Versa Code

1. What does OBDII code P0112 on a 2012 Nissan Versa mean?

- OBDII code P0112 on a 2012 Nissan Versa indicates a low input in the intake air temperature circuit.

2. What are the common symptoms of OBDII code P0112 on a 2012 Nissan Versa?

- Common symptoms of P0112 include poor engine performance, reduced fuel efficiency, and potential stalling.

3. What are the possible causes of OBDII code P0112 on a 2012 Nissan Versa?

- The common causes of P0112 can include a faulty intake air temperature sensor, damaged wiring or connectors, or issues with the engine control module (ECM).

4. How can I diagnose the intake air temperature sensor for OBDII code P0112 on a 2012 Nissan Versa?

- To diagnose the sensor, you can use a multimeter to check the resistance of the sensor and compare it to the manufacturer's specifications.

5. What are some repair tips for addressing OBDII code P0112 on a 2012 Nissan Versa?

- Repair tips may include replacing the intake air temperature sensor, repairing any damaged wiring, and resetting the fault code with an OBDII scanner after the repair.

6. Can a dirty air filter cause OBDII code P0112 on a 2012 Nissan Versa?

- Yes, a dirty air filter can disrupt the airflow and affect the intake air temperature readings, potentially triggering code P0112.

7. Does OBDII code P0112 on a 2012 Nissan Versa require immediate attention?

- While the vehicle may still be drivable with code P0112, it is recommended to address the issue promptly to prevent further damage and maintain optimal performance.

8. What is the typical cost to repair OBDII code P0112 on a 2012 Nissan Versa?

- The cost to repair P0112 can vary depending on the exact cause, but it may range from $100 to $300 for parts and labor.

9. How can I prevent OBDII code P0112 from recurring on my 2012 Nissan Versa?

- Regular maintenance, such as keeping the air filter clean and checking for any wiring issues, can help prevent the recurrence of code P0112.

10. Can I reset OBDII code P0112 on a 2012 Nissan Versa without fixing the underlying issue?

- While you can clear the fault code with an OBDII scanner, it is crucial to address the root cause of P0112 to prevent it from reappearing.

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