AutoCodes – Jaguar – P0112 Jaguar

P0112 Jaguar 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 Jaguar 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.
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Code Popularity 14,934
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 Jaguar 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 Jaguar - Intake Air Temperature Circuit Low Input - AutoCodes.com
P0112 Jaguar Code - Intake Air Temperature Circuit Low Input

What are the Possible Causes of the DTC P0112 Jaguar?

  • 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 Jaguar?

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 Jaguar 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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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 Jaguar Code

1. What are the common symptoms of OBDII code P0112 in a Jaguar related to the intake air temperature circuit?

The common symptoms of P0112 in a Jaguar include poor engine performance, stalling, rough idling, decreased fuel efficiency, and potential issues with the vehicle's emission levels.

2. What are the possible causes of the intake air temperature circuit low input code (P0112) in a Jaguar?

Possible causes of P0112 in a Jaguar include a faulty intake air temperature sensor, damaged wiring or connectors in the sensor circuit, a malfunctioning engine control module (ECM), or issues with the intake air temperature sensor's ground connection.

3. How can I diagnose the intake air temperature circuit low input code (P0112) in my Jaguar?

Diagnosing P0112 involves using an OBDII scanner to retrieve the fault code, visually inspecting the intake air temperature sensor and its wiring for any visible damage, testing the sensor's resistance, and checking the sensor's voltage output.

4. Can a dirty air filter cause the intake air temperature circuit low input code (P0112) in a Jaguar?

While a dirty air filter can impact engine performance, it is unlikely to directly trigger P0112. However, a severely dirty air filter could indirectly affect intake air temperature readings, so it's a good idea to keep the air filter clean and regularly replace it.

5. How can I repair the intake air temperature circuit low input code (P0112) in my Jaguar?

To repair P0112, you may need to replace the faulty intake air temperature sensor, repair or replace damaged wiring or connectors, ensure proper ground connections, or reprogram the engine control module (ECM) if necessary.

6. Is it safe to continue driving my Jaguar with the intake air temperature circuit low input code (P0112) present?

It is not recommended to drive your Jaguar with the P0112 code present, as it can lead to poor engine performance and potential damage to other engine components. It's best to address the issue promptly to avoid further complications.

7. Can a DIY enthusiast fix the intake air temperature circuit low input code (P0112) issue in a Jaguar?

Depending on your skill level and access to tools, a DIY enthusiast may be able to address P0112 by replacing the intake air temperature sensor or repairing damaged wiring. However, more complex diagnostics and repairs may require professional assistance.

8. How much does it typically cost to repair the intake air temperature circuit low input code (P0112) in a Jaguar?

The cost of repairing P0112 in a Jaguar can vary depending on the specific cause of the issue, parts needed for replacement, and labor costs. On average, you can expect to spend anywhere from $100 to $300 for parts and labor.

9. Will resetting the OBDII code P0112 in my Jaguar make the issue go away permanently?

Simply resetting the OBDII code P0112 in your Jaguar will not fix the underlying problem causing the code. It's crucial to diagnose the issue, address the root cause, and make necessary repairs to prevent the code from reoccurring.

10. How often should I check the intake air temperature sensor in my Jaguar to prevent the P0112 code from appearing?

Regular maintenance checks, such as during routine service intervals or when experiencing symptoms of poor engine performance, can help in detecting early signs of issues with the intake air temperature sensor and prevent the OBDII code P0112 from appearing.

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