Engine-CodesInfiniti – C1719 Infiniti

C1719 Infiniti Code - Rear Left Tire Transmitter Pressure Sensor Malfunction

Quick Answer

The C1719 Infiniti code indicates a malfunction in the rear left tire transmitter pressure sensor. Common causes include Faulty rear left tire transmitter pressure sensor, Wiring or electrical issues in the sensor circuit, Low battery voltage affecting the sensor's operation. 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
C1719 Infiniti indicates Rear Left Tire Transmitter Pressure Sensor Malfunction.
Common causes
Common causes include Faulty rear left tire transmitter pressure sensor, Wiring or electrical issues in the sensor circuit, Low battery voltage affecting the sensor's operation.
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.
Table of contents Created and updated by William Orellana on Sep 19, 2024
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Code C1719 Infiniti Description

The C1719 Infiniti code indicates a malfunction in the rear left tire transmitter pressure sensor. This sensor is responsible for monitoring the tire pressure in the rear left tire and transmitting that information to the vehicle's onboard computer system. When this sensor malfunctions, it can lead to inaccurate tire pressure readings being displayed on the dashboard, potentially affecting the vehicle's performance and safety.

OBDII Code C1719 Infiniti - Rear Left Tire Transmitter Pressure Sensor Malfunction
C1719 Infiniti Code - Rear Left Tire Transmitter Pressure Sensor Malfunction

Common Causes of C1719 Infiniti

  1. Faulty rear left tire transmitter pressure sensor.
  2. Wiring or electrical issues in the sensor circuit.
  3. Low battery voltage affecting the sensor's operation.
  4. Physical damage to the sensor due to road debris or impact.
  5. Corrosion or moisture intrusion affecting sensor performance.

Symptoms of C1719 Infiniti

  1. TPMS warning light illuminated on the dashboard.
  2. Inaccurate tire pressure readings displayed on the dashboard.
  3. Handling issues such as uneven tire wear or poor traction.
  4. Decreased fuel efficiency due to underinflated or overinflated tires.
  5. Increased risk of tire blowouts or other tire-related issues.

How to Fix C1719 Infiniti

  1. Begin by locating the rear left tire transmitter pressure sensor, typically located inside the tire near the valve stem.
  2. Inspect the sensor for any physical damage or signs of corrosion.
  3. Check the wiring and electrical connections to the sensor for any loose or damaged components.
  4. If the sensor is found to be faulty, replace it with a new sensor compatible with the vehicle's make and model.
  5. After replacing the sensor, reset the TPMS system to clear the error code and ensure proper sensor functionality.

Cost to Fix C1719 Infiniti

The cost of repairing a rear left tire transmitter pressure sensor malfunction can vary depending on the make and model of the vehicle, the location of the repair shop, and the specific parts needed for the repair. On average, the cost of replacing a tire pressure sensor can range from $50 to $200 per sensor, not including labor costs. The total repair cost, including parts and labor, can range from $100 to $400 or more. It is advisable to consult with a certified mechanic or repair shop to get an accurate estimate based on the specific circumstances of the vehicle.

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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 C1719 Infiniti Code

1. What are the common symptoms of OBDII code C1719 in an Infiniti related to the Rear Left Tire Transmitter Pressure Sensor Malfunction?

The common symptoms include the TPMS warning light illuminating on the dashboard, inaccurate tire pressure readings, and potential issues with traction control.

2. What could cause the Rear Left Tire Transmitter Pressure Sensor Malfunction in an Infiniti?

Possible causes include a faulty tire pressure sensor, low battery in the sensor, damaged wiring, or issues with the TPMS module.

3. How can I diagnose the Rear Left Tire Transmitter Pressure Sensor Malfunction in my Infiniti?

Diagnosis involves using a TPMS tool to read the specific error code (C1719), checking the sensor's battery level, inspecting the sensor for physical damage, and ensuring proper tire pressure.

4. Can I continue driving my Infiniti with the C1719 code indicating a Rear Left Tire Transmitter Pressure Sensor Malfunction?

It is generally safe to drive, but you should regularly check tire pressure manually and address the issue promptly to avoid potential safety risks and inaccurate pressure readings.

5. Is it possible to reset the Rear Left Tire Transmitter Pressure Sensor in an Infiniti to clear the C1719 code?

Resetting the sensor may temporarily clear the code, but if the underlying issue persists, the code is likely to reappear. It's best to address the root cause of the malfunction.

6. How much does it cost to repair a Rear Left Tire Transmitter Pressure Sensor Malfunction in an Infiniti?

The cost of repair can vary depending on the cause of the malfunction, the need for sensor replacement, and labor costs. It's recommended to consult a professional for an accurate estimate.

7. Are there any DIY tips for fixing the C1719 code related to the Rear Left Tire Transmitter Pressure Sensor in an Infiniti?

DIY tips may include checking and adjusting tire pressure, inspecting sensor wiring for damage, and ensuring proper sensor battery function. However, sensor replacement and complex repairs are best left to professionals.

8. Will a Rear Left Tire Transmitter Pressure Sensor Malfunction affect my Infiniti's overall performance?

While the malfunction may not directly impact performance, it can lead to inaccurate tire pressure readings, affecting handling, traction control, and potentially compromising safety.

9. How often should I check the tire pressure and sensors in my Infiniti to prevent the C1719 code from appearing?

Regularly checking tire pressure (at least monthly) and monitoring TPMS alerts can help detect issues early and prevent the Rear Left Tire Transmitter Pressure Sensor Malfunction code from reoccurring.

10. Can extreme weather conditions contribute to the Rear Left Tire Transmitter Pressure Sensor Malfunction in an Infiniti?

Yes, extreme temperatures or harsh driving conditions can affect sensor performance and battery life, potentially leading to the malfunction indicated by the C1719 code.

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