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Engine-Codes – Jaguar – P0112 Jaguar

P0112 Jaguar Code - Intake Air Temperature Circuit Low Input

Quick Answer

The P0112 Jaguar code indicates that there is a problem with the intake air temperature sensor circuit, specifically that the input voltage is lower than normal. Common causes include Faulty intake air temperature 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 Jaguar indicates Intake Air Temperature Circuit Low Input.
Common causes
Common causes include Faulty intake air temperature 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P0112 Jaguar Description

The P0112 Jaguar code indicates that there is a problem with the intake air temperature sensor circuit, specifically that the input voltage is lower than normal. The intake air temperature sensor is responsible for measuring the temperature of the air entering the engine, which is crucial for determining the air-fuel mixture and ignition timing. When the sensor detects a low input voltage, it can lead to issues with the engine's performance, fuel efficiency, and emissions.

OBDII Code P0112 Jaguar - Intake Air Temperature Circuit Low Input
P0112 Jaguar Code - Intake Air Temperature Circuit Low Input

Common Causes of P0112 Jaguar

  1. Faulty intake air temperature sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. Engine control module (ECM) malfunction
  5. Intake air temperature sensor circuit shorted to ground

Symptoms of P0112 Jaguar

  1. Check engine light illuminated on the dashboard
  2. Poor fuel economy
  3. Rough idling
  4. Hesitation during acceleration
  5. Engine running too rich or too lean

How to Fix P0112 Jaguar

  1. Begin by diagnosing the issue using a scan tool to confirm the P0112 code and identify the specific problem within the intake air temperature sensor circuit.
  2. Inspect the wiring and connectors in the sensor circuit for any damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the intake air temperature sensor using a multimeter to ensure it is functioning properly. Replace the sensor if it is faulty.
  4. Clear the diagnostic trouble codes from the ECM and reset the check engine light.
  5. Test drive the vehicle to ensure the issue has been resolved and that the check engine light does not reappear.

Cost to Fix P0112 Jaguar

The typical repair costs for addressing a P0112 Jaguar code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It's important to note that the actual diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive pricing.

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 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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