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C1734 Nissan Code - TPMS Malfunction In BCM

Quick Answer

When the C1734 Nissan code appears, it indicates a malfunction in the Tire Pressure Monitoring System (TPMS) that is integrated into the Body Control Module (BCM) of the vehicle. Common causes include Faulty TPMS sensors in the tires, Wiring or connection issues between the TPMS sensors and BCM, Malfunctioning BCM. 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
C1734 Nissan indicates TPMS Malfunction In BCM.
Common causes
Common causes include Faulty TPMS sensors in the tires, Wiring or connection issues between the TPMS sensors and BCM, Malfunctioning BCM.
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 09, 2024
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Code C1734 Nissan Description

When the C1734 Nissan code appears, it indicates a malfunction in the Tire Pressure Monitoring System (TPMS) that is integrated into the Body Control Module (BCM) of the vehicle. The TPMS is responsible for monitoring the air pressure in the tires and alerting the driver if there is a significant deviation from the recommended pressure levels. The BCM receives signals from the TPMS sensors in each tire and processes the data to provide accurate tire pressure readings to the driver.

OBDII Code C1734 Nissan - TPMS Malfunction In BCM
C1734 Nissan Code - TPMS Malfunction In BCM

Common Causes of C1734 Nissan

  1. Faulty TPMS sensors in the tires
  2. Wiring or connection issues between the TPMS sensors and BCM
  3. Malfunctioning BCM
  4. Low battery voltage affecting the TPMS system
  5. Software glitches in the BCM or TPMS system

Symptoms of C1734 Nissan

  1. TPMS warning light illuminated on the dashboard
  2. Inaccurate tire pressure readings displayed on the dashboard
  3. Loss of communication with TPMS sensors
  4. Erratic behavior of the TPMS system
  5. Fluctuating tire pressure readings

How to Fix C1734 Nissan

  1. Check and replace faulty TPMS sensors in the tires
  2. Inspect and repair any wiring or connection issues between the TPMS sensors and BCM
  3. Test and possibly replace the BCM if it is malfunctioning
  4. Ensure the battery voltage is within the proper range for the TPMS system to function correctly
  5. Update or reprogram the BCM software to address any glitches or errors in the TPMS system

Cost to Fix C1734 Nissan

The cost of repairing a TPMS malfunction in the BCM can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this issue can range from $100 to $500, including parts and labor. However, it's essential to get a detailed diagnosis from a qualified mechanic to determine the exact repair needed and the associated costs. Keep in mind that labor rates can fluctuate based on location, vehicle make and model, and the complexity of the repair. It's advisable to obtain quotes from multiple auto repair shops to compare prices and ensure you're getting a fair deal.

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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 C1734 Nissan Code

1. What are the common symptoms of OBDII code C1734 in a Nissan related to TPMS malfunction in the BCM?

- Common symptoms include TPMS warning light staying illuminated on the dashboard, inaccurate tire pressure readings, or complete loss of TPMS functionality.

2. What causes the OBDII code C1734 in a Nissan indicating TPMS malfunction in the BCM?

- The code C1734 is typically triggered by a malfunction in the Tire Pressure Monitoring System (TPMS) module within the Body Control Module (BCM).

3. How can I diagnose the TPMS issue associated with OBDII code C1734 in my Nissan?

- Diagnose the TPMS issue by checking the tire pressure in all tires, inspecting TPMS sensors for damage, and using a diagnostic scanner to retrieve specific TPMS fault codes.

4. Can I still drive my Nissan with OBDII code C1734 related to TPMS malfunction in the BCM?

- It is generally safe to drive your Nissan with the code C1734, but it is recommended to address the TPMS issue promptly to ensure accurate tire pressure monitoring.

5. What are some possible repair tips for fixing OBDII code C1734 in a Nissan due to a TPMS malfunction in the BCM?

- Repair tips may include resetting the TPMS system, replacing faulty TPMS sensors, recalibrating the system, or seeking professional assistance for advanced diagnostics.

6. Is it important to address the OBDII code C1734 indicating TPMS malfunction in my Nissan?

- Yes, it is important to address the code C1734 promptly to ensure proper tire pressure monitoring, improve safety, and prevent potential tire-related issues.

7. Can weather conditions affect the triggering of OBDII code C1734 in a Nissan related to TPMS malfunction in the BCM?

- Extreme weather conditions such as temperature fluctuations or severe changes in air pressure can sometimes trigger false TPMS alerts leading to the code C1734.

8. How long does it typically take to repair OBDII code C1734 in a Nissan caused by a TPMS malfunction in the BCM?

- The repair time for OBDII code C1734 can vary depending on the exact cause of the TPMS malfunction, but it may range from a quick sensor replacement to more extensive troubleshooting.

9. Are there any DIY solutions for resolving OBDII code C1734 in a Nissan due to TPMS issues in the BCM?

- Depending on your level of automotive knowledge, you may be able to perform basic TPMS checks and resets at home, but for accurate diagnosis and repair, professional assistance is recommended.

10. How much does it cost to repair OBDII code C1734 related to TPMS malfunction in the BCM of a Nissan?

- The cost of repairing OBDII code C1734 can vary based on the specific issue with the TPMS system, but it may involve expenses for parts replacement, diagnostic services, and labor.

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