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Engine-Codes – Generic – C1718

C1718 Code - Rear Right Tire Transmitter Pressure Sensor Malfunction

Quick Answer

The diagnostic code C1718 indicates a malfunction in the rear right tire transmitter pressure sensor. Common causes include Faulty rear right tire pressure sensor, Electrical issues in the sensor circuit, Interference from other electronic devices. 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
C1718 indicates Rear Right Tire Transmitter Pressure Sensor Malfunction.
Common causes
Common causes include Faulty rear right tire pressure sensor, Electrical issues in the sensor circuit, Interference from other electronic devices.
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 C1718 Description

The diagnostic code C1718 indicates a malfunction in the rear right tire transmitter pressure sensor. This sensor is responsible for monitoring the tire pressure in the rear right tire and transmitting that information to the vehicle's onboard computer system. When this sensor malfunctions, it can lead to inaccurate tire pressure readings, potentially affecting the vehicle's performance and safety.

OBDII Code C1718 - Rear Right Tire Transmitter Pressure Sensor Malfunction
C1718 Code - Rear Right Tire Transmitter Pressure Sensor Malfunction

Common Causes of C1718

  1. Faulty rear right tire pressure sensor
  2. Electrical issues in the sensor circuit
  3. Interference from other electronic devices
  4. Damaged tire valve stem

Symptoms of C1718

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings on the TPMS display
  3. Fluctuating tire pressure readings
  4. Poor handling or uneven tire wear

How to Fix C1718

  1. Start by checking the tire pressure in the rear right tire manually to ensure it is within the manufacturer's recommended range.
  2. Inspect the rear right tire pressure sensor for any visible damage or corrosion. Replace the sensor if necessary.
  3. Check the sensor circuit for any loose connections or wiring issues. Repair or replace any damaged wiring.
  4. Reset the TPMS system and recalibrate the sensors to ensure they are transmitting accurate readings.
  5. Test drive the vehicle to verify that the TPMS warning light is no longer illuminated and that the tire pressure readings are accurate.

Cost to Fix C1718

The cost of repairing a rear right tire transmitter pressure sensor malfunction can vary depending on the make and model of the vehicle, the specific cause of the issue, and labor rates in your area. On average, replacing a tire pressure sensor can range from $50 to $200 per sensor, not including labor costs. Labor rates at auto repair shops typically range from $80 to $150 per hour. It's recommended to consult with a professional mechanic to get an accurate estimate for your specific situation.

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Code C1718 Information for Specific Makes

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 C1718 Code

1. What are the common symptoms of OBDII code C1718 (Rear Right Tire Transmitter Pressure Sensor Malfunction)?

- The common symptoms include a dashboard warning light for the tire pressure monitoring system, inaccurate or missing tire pressure readings, and potential issues with tire pressure adjustment.

2. What are the possible causes of OBDII code C1718?

- The code C1718 can be caused by a faulty rear right tire pressure sensor, sensor battery issues, sensor communication problems, wiring issues, or a malfunction in the tire pressure monitoring system module.

3. How can I diagnose the cause of OBDII code C1718?

- Diagnosing the code involves using a diagnostic scanner to read the specific error codes, checking each sensor for battery voltage, inspecting the sensor for physical damage, testing sensor communication, and examining the wiring and connections for any faults.

4. Can I drive my vehicle with OBDII code C1718 present?

- It is not recommended to drive your vehicle with OBDII code C1718, as it can affect the accuracy of the tire pressure monitoring system and compromise your safety on the road.

5. How can I reset OBDII code C1718?

- Resetting the code typically involves fixing the underlying issue causing the malfunction, such as replacing the faulty sensor, addressing wiring problems, or resetting the tire pressure monitoring system module with a diagnostic scanner.

6. Are there any DIY repair tips for fixing OBDII code C1718?

- DIY repair tips include checking and replacing the rear right tire pressure sensor, ensuring proper battery voltage, inspecting wiring for damage, and resetting the system. However, professional diagnosis and repair may be necessary for accurate and reliable results.

7. Will OBDII code C1718 cause any long-term damage to my vehicle?

- While the code itself may not cause immediate damage, ignoring tire pressure sensor malfunctions can lead to unsafe driving conditions, potential tire damage, and decreased fuel efficiency over time.

8. How much does it typically cost to repair OBDII code C1718?

- The cost of repair for OBDII code C1718 can vary depending on the underlying issue, parts needed for replacement, labor costs, and whether you choose to address the problem yourself or seek professional assistance.

9. Can extreme weather conditions affect the triggering of OBDII code C1718?

- Extreme temperature changes, such as those experienced in very cold or very hot climates, can potentially impact tire pressure sensor performance and trigger OBDII code C1718.

10. Is it possible for OBDII code C1718 to recur after repair?

- If the root cause of the malfunction is not properly addressed during repair, OBDII code C1718 may reoccur. It is important to thoroughly diagnose and fix the underlying issue to prevent recurrence.

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