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C1720 Nissan Code - Function Code Data From Front Left Transmitter Is Malfunctioning

Quick Answer

The C1720 diagnostic trouble code (DTC) for Nissan vehicles indicates a malfunction in the function code data from the front left transmitter. Common causes include Faulty front left tire pressure transmitter, Wiring issues or electrical connections related to the front left transmitter, TPMS control module malfunction. 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
C1720 Nissan indicates Function Code Data From Front Left Transmitter Is Malfunctioning.
Common causes
Common causes include Faulty front left tire pressure transmitter, Wiring issues or electrical connections related to the front left transmitter, TPMS control module malfunction.
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 12, 2024
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Code C1720 Nissan Description

The C1720 diagnostic trouble code (DTC) for Nissan vehicles indicates a malfunction in the function code data from the front left transmitter. This code is typically related to the tire pressure monitoring system (TPMS) in the vehicle. The TPMS is responsible for monitoring the air pressure in each tire and alerting the driver if there is a significant deviation from the recommended pressure.

OBDII Code C1720 Nissan - Function Code Data From Front Left Transmitter Is Malfunctioning
C1720 Nissan Code - Function Code Data From Front Left Transmitter Is Malfunctioning

Common Causes of C1720 Nissan

  1. Faulty front left tire pressure transmitter
  2. Wiring issues or electrical connections related to the front left transmitter
  3. TPMS control module malfunction
  4. Low battery power in the front left transmitter
  5. Interference from other electronic devices affecting the transmitter signal

Symptoms of C1720 Nissan

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings displayed on the dashboard
  3. Fluctuating tire pressure readings
  4. Loss of communication with the front left tire transmitter

How to Fix C1720 Nissan

  1. Begin by conducting a thorough inspection of the front left tire pressure transmitter to check for any visible damage or signs of malfunction.
  2. Test the transmitter using a specialized TPMS tool to verify its functionality and determine if it is transmitting accurate data.
  3. Check the wiring and electrical connections related to the front left transmitter for any damage, corrosion, or loose connections. Repair or replace as needed.
  4. If the transmitter is found to be faulty, replace it with a new one and reprogram it to communicate with the TPMS control module.
  5. Clear the DTC from the vehicle's system using a diagnostic scanner and perform a test drive to ensure that the TPMS is functioning properly.

Cost to Fix C1720 Nissan

The typical cost for repairing a malfunctioning front left transmitter in a Nissan vehicle can range from $100 to $300, including parts and labor. However, it is essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on location, vehicle make and model, and engine type. It is advisable to contact local auto repair shops for a more accurate estimate of the repair costs. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops often offer more competitive prices.

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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 C1720 Nissan Code

1. What are the common symptoms of OBDII code C1720 in a Nissan?

- Common symptoms include the malfunction indicator light (MIL) illuminating on the dashboard, loss of tire pressure monitoring system (TPMS) functionality, and inaccurate tire pressure readings.

2. What can cause the OBDII code C1720 in a Nissan?

- The code C1720 usually indicates a malfunction in the front left tire pressure monitoring system (TPMS) transmitter, which can be caused by a faulty transmitter, wiring issues, or sensor communication problems.

3. How can I diagnose the OBDII code C1720 in my Nissan?

- Diagnosis typically involves using a TPMS tool to check the tire pressure sensors, inspecting the wiring and connections of the front left transmitter, and verifying communication between the sensors and the TPMS module.

4. Can driving with the OBDII code C1720 in my Nissan cause any further damage?

- Driving with the code C1720 may not cause immediate damage to your vehicle, but it can compromise the accuracy of the TPMS system, leading to potential safety risks and reduced fuel efficiency.

5. What is the typical repair process for fixing the OBDII code C1720 in a Nissan?

- The repair process usually involves replacing the malfunctioning front left tire pressure monitoring system (TPMS) transmitter, ensuring proper wiring connections, and resetting the TPMS system to clear the code.

6. Are there any DIY tips for addressing the OBDII code C1720 in a Nissan?

- DIY enthusiasts with the necessary tools and expertise can attempt to replace the front left TPMS transmitter themselves, following proper procedures outlined in the vehicle's service manual.

7. How much does it cost to repair the OBDII code C1720 in a Nissan at a mechanic or dealership?

- Repair costs for the OBDII code C1720 can vary depending on the extent of the issue, but expect to pay for parts such as a new TPMS transmitter and labor for the repair process.

8. Can I drive my Nissan safely with the OBDII code C1720 present?

- While driving with the code C1720 may not immediately endanger your safety, it is recommended to address the issue promptly to ensure accurate tire pressure monitoring and overall vehicle performance.

9. Will resetting the OBDII code C1720 in my Nissan make it go away permanently?

- Resetting the code without addressing the root cause, such as a malfunctioning front left TPMS transmitter, may temporarily clear the MIL but will likely reappear until the underlying issue is fixed.

10. Is it necessary to visit a Nissan dealership for repairs related to the OBDII code C1720?

- While a Nissan dealership may have specialized knowledge and tools for addressing the code C1720, independent mechanics with experience in TPMS systems can also effectively diagnose and repair the issue.

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