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C1726 Infiniti Code - Battery Voltage Of Rear Right Transmitter Drops

Quick Answer

The C1726 Infiniti code indicates that there is an issue with the battery voltage of the rear right transmitter dropping. Common causes include Battery in the rear right TPMS sensor reaching the end of its lifespan, Corrosion or damage to the sensor causing a voltage drop, Electrical issues in the sensor or wiring. 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
C1726 Infiniti indicates Battery Voltage Of Rear Right Transmitter Drops.
Common causes
Common causes include Battery in the rear right TPMS sensor reaching the end of its lifespan, Corrosion or damage to the sensor causing a voltage drop, Electrical issues in the sensor or wiring.
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 C1726 Infiniti Description

The C1726 Infiniti code indicates that there is an issue with the battery voltage of the rear right transmitter dropping. In modern vehicles, tire pressure monitoring systems (TPMS) use sensors mounted in each tire to monitor air pressure and alert the driver if there is a significant drop in pressure. These sensors are equipped with batteries that power the transmitter to send data to the vehicle's ECU. In the case of the C1726 code, the battery voltage of the sensor in the rear right tire has dropped below the expected level.

OBDII Code C1726 Infiniti - Battery Voltage Of Rear Right Transmitter Drops
C1726 Infiniti Code - Battery Voltage Of Rear Right Transmitter Drops

Common Causes of C1726 Infiniti

  1. Battery in the rear right TPMS sensor reaching the end of its lifespan
  2. Corrosion or damage to the sensor causing a voltage drop
  3. Electrical issues in the sensor or wiring
  4. Faulty ECU receiving incorrect data from the sensor
  5. Interference from other electronic systems affecting the sensor's performance

Symptoms of C1726 Infiniti

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings displayed on the instrument cluster
  3. Loss of communication with the rear right TPMS sensor
  4. Decreased fuel efficiency due to underinflated tire(s)
  5. Handling and braking issues due to improper tire pressure

How to Fix C1726 Infiniti

  1. Start by identifying the specific TPMS sensor in the rear right tire that is causing the issue using a TPMS diagnostic tool.
  2. Remove the rear right tire to access the sensor.
  3. Test the battery voltage of the sensor using a multimeter to confirm if it is below the expected level.
  4. Replace the battery in the TPMS sensor if necessary, making sure to follow manufacturer guidelines for proper installation.
  5. Reinstall the rear right tire and reset the TPMS system to clear the code and ensure accurate readings.

Cost to Fix C1726 Infiniti

The typical repair costs for addressing the C1726 Infiniti code may range from $100 to $200, depending on the cost of the TPMS sensor battery and labor charges. It's important to note that these are rough estimates, and actual costs can vary based on the make and model of the vehicle, as well as the specific repair shop's rates. Additionally, diagnosis time and labor rates can also impact the final cost, so it's advisable to consult with a trusted mechanic for a more accurate estimate.

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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 C1726 Infiniti Code

1. What are the common symptoms of OBDII code C1726 in an Infiniti related to the rear right transmitter?

- The most common symptom is a noticeable drop in battery voltage specifically from the rear right transmitter.

2. What could be causing the battery voltage drop from the rear right transmitter in an Infiniti?

- Possible causes include a faulty transmitter, wiring issues, or a problem with the receiver module.

3. How can I repair the battery voltage drop issue from the rear right transmitter in my Infiniti?

- Start by checking the wiring connections for any damage or corrosion. If the connections are fine, consider replacing the transmitter or the receiver module.

4. Is it safe to continue driving my Infiniti with OBDII code C1726 related to the battery voltage drop from the rear right transmitter?

- It is not recommended to drive the vehicle with this issue as it can affect the functionality of the tire pressure monitoring system.

5. Can a DIY enthusiast easily fix the battery voltage drop issue from the rear right transmitter in an Infiniti?

- While checking the wiring connections can be done by a DIY enthusiast, replacing the transmitter or receiver module may require professional assistance.

6. Will resetting the OBDII code C1726 in my Infiniti make the battery voltage drop issue disappear permanently?

- Resetting the code may temporarily clear the warning, but if the underlying issue is not addressed, the problem is likely to reoccur.

7. Are there any specific Infiniti models known to be more prone to experiencing OBDII code C1726 related to the rear right transmitter?

- While this code can potentially occur in various Infiniti models, certain models may have a higher likelihood due to specific design factors.

8. How can I prevent the recurrence of OBDII code C1726 in my Infiniti after repairing the battery voltage drop issue?

- Regularly inspecting the tire pressure monitoring system components and ensuring proper maintenance can help prevent the issue from reoccurring.

9. Can extreme weather conditions contribute to triggering OBDII code C1726 in an Infiniti?

- Extreme temperatures or weather conditions can sometimes affect the tire pressure monitoring system and lead to issues like the battery voltage drop from the rear right transmitter.

10. Is it necessary to visit a dealership for diagnosing and repairing OBDII code C1726 in an Infiniti, or can I go to an independent mechanic?

- While a dealership may have specialized knowledge, an experienced independent mechanic can also diagnose and repair the issue related to the battery voltage drop from the rear right transmitter in an Infiniti.

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