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Engine-Codes – Jaguar – P1512 Jaguar

P1512 Jaguar Code - Closed Throttle Position Switch Low Input

Quick Answer

The P1512 Jaguar code indicates that there is a low input signal from the closed throttle position switch. Common causes include Faulty closed throttle position switch, Wiring issues or loose connections, Vacuum leaks. 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
P1512 Jaguar indicates Closed Throttle Position Switch Low Input.
Common causes
Common causes include Faulty closed throttle position switch, Wiring issues or loose connections, Vacuum leaks.
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 10, 2024
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Code P1512 Jaguar Description

The P1512 Jaguar code indicates that there is a low input signal from the closed throttle position switch. The closed throttle position switch is part of the throttle body assembly and is responsible for detecting when the throttle plate is fully closed. This information is crucial for the engine control module (ECM) to accurately adjust fuel delivery and ignition timing.

OBDII Code P1512 Jaguar - Closed Throttle Position Switch Low Input
P1512 Jaguar Code - Closed Throttle Position Switch Low Input

Common Causes of P1512 Jaguar

  1. Faulty closed throttle position switch
  2. Wiring issues or loose connections
  3. Vacuum leaks
  4. Throttle body malfunction
  5. ECM software issues

Symptoms of P1512 Jaguar

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

How to Fix P1512 Jaguar

  1. Begin by conducting a thorough inspection of the closed throttle position switch and associated wiring for any visible damage or corrosion.
  2. Test the closed throttle position switch using a multimeter to check for proper voltage and continuity.
  3. If the switch is faulty, replace it with a new OEM or aftermarket component.
  4. Clear the diagnostic trouble codes from the ECM using a scan tool and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the throttle body or ECM.

Cost to Fix P1512 Jaguar

The typical repair costs for addressing a P1512 Jaguar code can vary depending on the specific cause of the issue. In general, replacing a faulty closed throttle position switch can cost between $100 and $300, including parts and labor. Additional diagnostic time may be necessary to pinpoint the exact cause of the problem, which can incur extra charges. It is recommended to consult with a qualified mechanic or dealership for a more accurate cost estimate based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates may vary based on location and shop type.

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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 P1512 Jaguar Code

1. What are the common symptoms of OBDII code P1512 in a Jaguar related to the Closed Throttle Position Switch Low Input?

- Common symptoms may include rough idling, engine stalling, decreased fuel efficiency, and issues with acceleration.

2. What can cause the Closed Throttle Position Switch Low Input error code P1512 in a Jaguar?

- The code P1512 can be triggered by a faulty closed throttle position sensor, damaged wiring, or a poor connection in the throttle position circuit.

3. How can I diagnose the Closed Throttle Position Switch Low Input issue in my Jaguar?

- To diagnose the problem, it is recommended to use an OBDII scanner to read the code, visually inspect the throttle position sensor and associated wiring, and perform a proper electrical test.

4. Can a DIY enthusiast repair the P1512 code related to the Closed Throttle Position Switch in a Jaguar?

- Depending on the root cause, some DIY enthusiasts with automotive repair experience may be able to replace the faulty throttle position sensor or repair damaged wiring to resolve the issue.

5. What are the potential risks of ignoring the OBDII code P1512 in a Jaguar?

- Ignoring the P1512 code can lead to further engine performance issues, reduced drivability, and potential damage to other components over time.

6. Is it safe to drive my Jaguar with the P1512 code indicating Closed Throttle Position Switch Low Input?

- It is not recommended to drive the vehicle with the P1512 code present, as it can cause erratic engine behavior and potentially unsafe driving conditions.

7. How much does it typically cost to repair the P1512 code in a Jaguar caused by the Closed Throttle Position Switch issue?

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

8. Can a malfunctioning Closed Throttle Position Switch cause other codes to appear in a Jaguar?

- Yes, a faulty closed throttle position sensor can potentially trigger other related codes, such as P1511 or P1513, indicating issues with the throttle system.

9. Are there any preventive measures to avoid encountering the P1512 code in a Jaguar?

- Regular maintenance, including checking and cleaning the throttle body, inspecting wiring for wear, and ensuring proper connections, can help prevent issues leading to the P1512 code.

10. How long does it typically take to repair the OBDII code P1512 in a Jaguar at a professional auto repair shop?

- Repair times can vary based on the exact cause and shop workload, but resolving the P1512 code related to the Closed Throttle Position Switch usually takes around 1-2 hours of labor.

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