AutoCodes – Honda – P0112 2019 Honda CR-V

P0112 2019 Honda CR-V Code - Intake Air Temperature Sensor 1 Circuit Low Voltage

Quick Answer

The Intake Air Temperature (IAT) Sensor 1 is a thermistor that detects intake air temperature, and it is used for air/fuel ratio feedback control to compensate for the atmospheric density fluctuations that accompany changes in intake air temperature. Common causes include Faulty Intake Air Temperature (IAT) Sensor 1, Intake Air Temperature Sensor 1 harness is open or shorted, Intake Air Temperature Sensor 1 circuit poor electrical connection. 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 2019 Honda CR-V indicates Intake Air Temperature Sensor 1 Circuit Low Voltage.
Common causes
Common causes include Faulty Intake Air Temperature (IAT) Sensor 1, Intake Air Temperature Sensor 1 harness is open or shorted, Intake Air Temperature Sensor 1 circuit poor electrical connection.
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 230
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 31, 2023
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Code P0112 2019 Honda CR-V Description

The Intake Air Temperature (IAT) Sensor 1 is a thermistor that detects intake air temperature, and it is used for air/fuel ratio feedback control to compensate for the atmospheric density fluctuations that accompany changes in intake air temperature. IAT Sensor 1 resistance varies depending on temperature. The output voltage and the sensor resistance increase as the intake air temperature decreases. Conversely, the output voltage and the sensor resistance decrease as the intake air temperature increases. If the IAT sensor 1 output voltage is excessively low or high, the Powertrain Control Module (PCM) detects a malfunction and stores a Diagnostic Trouble Code (DTC).
OBDII Code P0112 2019 Honda CR-V - Intake Air Temperature Sensor 1 Circuit Low Voltage - AutoCodes.com
P0112 2019 Honda CR-V Code - Intake Air Temperature Sensor 1 Circuit Low Voltage

What are the Possible Causes of the DTC P0112 2019 Honda CR-V?

  • Faulty Intake Air Temperature (IAT) Sensor 1
  • Intake Air Temperature Sensor 1 harness is open or shorted
  • Intake Air Temperature Sensor 1 circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0112 2019 Honda CR-V?

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 2019 Honda CR-V 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 2019 Honda CR-V code?

Need more information on how to fix the P0112 2019 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0112 2019 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 2019 Honda CR-V Code

1. What are the common symptoms of OBDII code P0112 on a 2019 Honda CR-V?

- Common symptoms include poor fuel efficiency, rough idling, engine stalling, and in some cases, the Check Engine light illuminating on the dashboard.

2. What does the OBDII code P0112 indicate in a 2019 Honda CR-V?

- OBDII code P0112 in a 2019 Honda CR-V specifically points to an issue with the Intake Air Temperature Sensor 1 Circuit showing low voltage.

3. What are the possible causes of the Intake Air Temperature Sensor 1 Circuit low voltage issue in a 2019 Honda CR-V?

- Potential causes include a faulty intake air temperature sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module (ECM).

4. How can I diagnose the Intake Air Temperature Sensor 1 Circuit low voltage problem in my 2019 Honda CR-V?

- You can diagnose the issue by using an OBDII scanner to read the trouble codes, inspecting the intake air temperature sensor and its wiring for damage, and testing the sensor's voltage output.

5. Can I continue driving my 2019 Honda CR-V with OBDII code P0112?

- It's not recommended to drive the vehicle with this code present, as it can lead to poor engine performance and potentially cause further damage if not addressed promptly.

6. How can I repair the Intake Air Temperature Sensor 1 Circuit low voltage issue in my 2019 Honda CR-V?

- Repair involves replacing the faulty intake air temperature sensor, repairing any damaged wiring or connectors, and clearing the trouble codes with an OBDII scanner.

7. Is it possible to reset the OBDII code P0112 without fixing the underlying issue in a 2019 Honda CR-V?

- While you can clear the trouble code with an OBDII scanner, it's crucial to address the root cause of the problem to prevent the code from reappearing and ensure proper vehicle operation.

8. How much does it typically cost to repair the Intake Air Temperature Sensor 1 Circuit low voltage problem in a 2019 Honda CR-V?

- The cost can vary depending on the cause of the issue, but generally, replacing the intake air temperature sensor or repairing wiring may range from $100 to $300 including parts and labor.

9. Are there any preventative measures to avoid OBDII code P0112 in a 2019 Honda CR-V?

- Regular maintenance, such as inspecting sensor wiring during service intervals and using quality replacement parts, can help prevent issues like the Intake Air Temperature Sensor 1 Circuit low voltage fault.

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