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C1734 Infiniti Code - TPMS Malfunction In BCM

Quick Answer

The C1734 Infiniti code indicates a Tire Pressure Monitoring System (TPMS) malfunction in the Body Control Module (BCM) of the vehicle. Common causes include Faulty TPMS sensors, Wiring issues between TPMS sensors and BCM, BCM 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
C1734 Infiniti indicates TPMS Malfunction In BCM.
Common causes
Common causes include Faulty TPMS sensors, Wiring issues between TPMS sensors and BCM, BCM 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 08, 2024
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Code C1734 Infiniti Description

The C1734 Infiniti code indicates a Tire Pressure Monitoring System (TPMS) malfunction in the Body Control Module (BCM) of the vehicle. The TPMS is a crucial safety feature that monitors the air pressure in the tires and alerts the driver if any tire is significantly underinflated. The BCM is responsible for managing various electronic functions in the vehicle, including the TPMS. When this code is triggered, it means that there is a communication error or malfunction within the BCM related to the TPMS.

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

Common Causes of C1734 Infiniti

  1. Faulty TPMS sensors
  2. Wiring issues between TPMS sensors and BCM
  3. BCM malfunction
  4. Communication network problems within the vehicle
  5. Electrical issues in the TPMS system

Symptoms of C1734 Infiniti

  1. TPMS warning light on the dashboard
  2. Inaccurate or inconsistent tire pressure readings
  3. Loss of communication with TPMS sensors
  4. Difficulty accessing TPMS system through the vehicle's interface
  5. Vehicle fails TPMS system self-test during startup

How to Fix C1734 Infiniti

  1. Diagnose the specific cause of the TPMS malfunction using a diagnostic scanner to retrieve the fault codes and perform a system check.
  2. Inspect the TPMS sensors for damage or malfunction and replace any faulty sensors.
  3. Check the wiring connections between the TPMS sensors and the BCM for loose or damaged wires and repair as needed.
  4. Test the communication network between the TPMS sensors and the BCM to ensure proper functionality.
  5. Reset the TPMS system and recalibrate the sensors to ensure accurate tire pressure readings.

Cost to Fix C1734 Infiniti

The typical repair costs for a TPMS malfunction in the BCM can vary depending on the specific cause of the issue and the parts and labor required for the repair. On average, the cost of replacing a TPMS sensor can range from $50 to $200 per sensor, while diagnosing and repairing wiring or BCM issues may cost between $100 to $500 or more. Overall, the total repair cost for a TPMS malfunction in the BCM could range from $200 to $1000 or more, including parts and labor.

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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 Infiniti Code

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

The common symptoms include the TPMS warning light staying illuminated on the dashboard, inaccurate tire pressure readings, and potential issues with the TPMS system's functionality.

2. What could cause the OBDII code C1734 in an Infiniti indicating TPMS malfunction in the BCM?

The code C1734 is typically triggered by faults in the Tire Pressure Monitoring System (TPMS) sensors, low tire pressure, TPMS module malfunctions, wiring issues, or sensor battery failure.

3. How can I diagnose the OBDII code C1734 in my Infiniti signaling TPMS malfunction in the BCM?

To diagnose this issue, you can use an OBDII scanner to retrieve the specific trouble code, visually inspect the TPMS sensors for damage or corrosion, check tire pressures, and perform a BCM reset if necessary.

4. What are some repair tips for resolving OBDII code C1734 in an Infiniti due to TPMS malfunction in the BCM?

Try starting by checking and adjusting tire pressures, inspecting the TPMS sensors for damage, replacing faulty sensors if needed, ensuring proper sensor installation, and resetting the BCM to clear the code.

5. Can I reset the OBDII code C1734 related to TPMS malfunction in the BCM on my Infiniti without visiting a mechanic?

In some cases, you may be able to clear the code by resetting the BCM using a diagnostic tool or by disconnecting the car battery for a few minutes. However, it's recommended to address the underlying TPMS issue to prevent the code from reoccurring.

6. How crucial is it to address OBDII code C1734 in an Infiniti linked to TPMS malfunction in the BCM promptly?

It's important to address this code promptly to ensure the proper functioning of your TPMS system, which is essential for monitoring tire pressures and ensuring safe driving conditions.

7. Are there any safety concerns associated with ignoring OBDII code C1734 in an Infiniti indicating TPMS malfunction in the BCM?

Ignoring this code could lead to inaccurate tire pressure readings, potentially causing unsafe driving conditions due to underinflated or overinflated tires. It's crucial to address TPMS issues promptly to maintain vehicle safety.

8. Is it possible for a DIY enthusiast to replace TPMS sensors in an Infiniti to resolve OBDII code C1734 related to TPMS malfunction in the BCM?

While it's possible for a DIY enthusiast to replace TPMS sensors, it's recommended to have some experience with automotive repairs and the right tools to ensure proper installation and calibration of the new sensors.

9. How can I prevent OBDII code C1734 in my Infiniti indicating TPMS malfunction in the BCM from occurring in the future?

Regularly checking and maintaining proper tire pressures, inspecting TPMS sensors for damage, ensuring correct sensor installation, and addressing any TPMS issues promptly can help prevent the recurrence of this code.

10. Are there any recalls or technical service bulletins related to OBDII code C1734 in an Infiniti regarding TPMS malfunction in the BCM?

It's advisable to check with your local dealership or the manufacturer's website for any recalls or technical service bulletins related to OBDII code C1734 in your specific Infiniti model to stay informed about potential known issues and solutions.

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