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Engine-Codes – GMC – C0755 2015 GMC Sierra

C0755 2015 GMC Sierra Code - Right Front Low Tire Pressure Sensor

Quick Answer

The C0755 diagnostic trouble code (DTC) specifically pertains to the right front tire pressure sensor in a 2015 GMC Sierra. Common causes include Faulty Tire Pressure Sensor: The most common cause is a malfunctioning or damaged tire pressure sensor in the right front tire, Wiring Issues: Damaged or corroded wiring or connectors that impede communication between the sensor and the vehicle's computer, Low Tire Pressure: Actual low tire pressure due to a slow leak, puncture, or improper inflation. 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
C0755 2015 GMC Sierra indicates Right Front Low Tire Pressure Sensor.
Common causes
Common causes include Faulty Tire Pressure Sensor: The most common cause is a malfunctioning or damaged tire pressure sensor in the right front tire, Wiring Issues: Damaged or corroded wiring or connectors that impede communication between the sensor and the vehicle's computer, Low Tire Pressure: Actual low tire pressure due to a slow leak, puncture, or improper inflation.
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 Oct 01, 2024
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Code C0755 2015 GMC Sierra Description

The C0755 diagnostic trouble code (DTC) specifically pertains to the right front tire pressure sensor in a 2015 GMC Sierra. This code indicates that the vehicle's onboard diagnostic system has detected a malfunction in the tire pressure monitoring system (TPMS) related to the right front tire. The TPMS is a critical safety feature designed to monitor tire pressure and alert the driver when tire pressure falls below a specified threshold, which can lead to unsafe driving conditions, reduced fuel efficiency, and increased tire wear.

OBDII Code C0755 2015 GMC Sierra - Right Front Low Tire Pressure Sensor
C0755 2015 GMC Sierra Code - Right Front Low Tire Pressure Sensor

Common Causes of C0755 2015 GMC Sierra

  1. Faulty Tire Pressure Sensor: The most common cause is a malfunctioning or damaged tire pressure sensor in the right front tire.
  2. Wiring Issues: Damaged or corroded wiring or connectors that impede communication between the sensor and the vehicle's computer.
  3. Low Tire Pressure: Actual low tire pressure due to a slow leak, puncture, or improper inflation.
  4. Battery Failure: The sensor may have a weak or dead battery, especially in sensors that are not hardwired to the vehicle.
  5. Software Glitch: An issue with the vehicle's onboard computer software that misinterprets sensor data.

Symptoms of C0755 2015 GMC Sierra

  1. Warning Light: The TPMS warning light illuminated on the dashboard, indicating low tire pressure.
  2. Tire Pressure Display: Inaccurate or missing tire pressure readings for the right front tire on the vehicle's display.
  3. Poor Handling: Noticeable changes in vehicle handling, such as pulling to one side or a bumpy ride, indicating potential tire issues.
  4. Increased Fuel Consumption: A decrease in fuel efficiency due to improper tire pressure affecting rolling resistance.
  5. Tire Wear: Uneven or excessive wear on the right front tire, which may become apparent during routine inspections.

How to Fix C0755 2015 GMC Sierra

  1. Visual Inspection: Begin with a thorough visual inspection of the right front tire and sensor for any visible damage or leaks.
  2. Check Tire Pressure: Verify the tire pressure using a manual gauge to ensure it is within the manufacturer's recommended range.
  3. Sensor Replacement: If the sensor is found to be faulty, replace it with a new one, ensuring it is properly calibrated to the vehicle.
  4. Wiring Repair: Inspect and repair any damaged wiring or connectors associated with the tire pressure sensor.
  5. Reprogramming: After repairs, reprogram the TPMS to ensure it recognizes the new sensor and displays accurate tire pressure readings.

Cost to Fix C0755 2015 GMC Sierra

The cost to repair the C0755 code can vary widely based on the specific issue identified. On average, replacing a tire pressure sensor can cost between $50 and $150 for the part, while labor costs typically range from $80 to $150 per hour. The total repair cost, including parts and labor, can range from $100 to $300. However, it's important to note that diagnosis time and labor rates can vary significantly based on location, vehicle make and model, and engine type. In metropolitan areas or at dealerships, labor rates may be higher, while independent shops often offer more competitive pricing. For a precise estimate, it is advisable to check local rates and obtain quotes from several repair shops.

What does this mean?

Tech Notes for C0755 2015 GMC Sierra

A sensor may have been damaged due to a previous wheel/tire service or flat tire event.

Some aftermarket wheel valve stem holes are located further from the wheel rim than the original equipment wheels. When using the tire pressure monitor special tool to activate a sensor, ensure the tool is placed along the tire sidewall and no further than 15 cm (6 in) from the sensor and the antenna is aiming upward.

Occasionally sensors can become mislocated due to previous tire rotations where the sensor learn procedure was not performed. Always learn the sensors to ensure the DTC set is for that actual physical corner of the vehicle.

A sensor with low battery condition will set a sensor DTC but will not illuminate the low tire pressure indicator or display a message on the driver information center if equipped. The sensor battery condition can be verified in the scan tool BCM data list. If a sensor's low battery condition is indicated on the scan tool, the sensor will need to be replaced.



















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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 C0755 2015 GMC Sierra Code

1. What does OBDII code C0755 for a 2015 GMC Sierra indicate?

The OBDII code C0755 specifically pertains to a fault detected in the right front low tire pressure sensor.

2. What are the common symptoms of a right front low tire pressure sensor issue in a 2015 GMC Sierra?

Common symptoms include the illumination of the Tire Pressure Monitoring System (TPMS) warning light on the dashboard and potential inaccuracies in tire pressure readings.

3. What are the typical causes of the C0755 OBDII code in a 2015 GMC Sierra?

Common causes of the C0755 code can include a malfunctioning right front low tire pressure sensor, damaged wiring or connections, or issues with the TPMS module.

4. How can I diagnose a right front low tire pressure sensor problem in my 2015 GMC Sierra?

Diagnosing a right front low tire pressure sensor issue usually involves using a TPMS tool to read the specific error code, checking the sensor for physical damage, and inspecting the wiring for any faults.

5. Can I continue driving my 2015 GMC Sierra with the C0755 code present?

While it is possible to continue driving with the C0755 code, it is recommended to address the issue promptly to ensure accurate tire pressure monitoring and overall safety.

6. How can I reset the C0755 OBDII code in my 2015 GMC Sierra?

Resetting the C0755 OBDII code typically involves fixing the underlying issue causing the fault. Once the problem is resolved, the code can be cleared using an OBDII scanner tool.

7. Are there any DIY repair tips for addressing a right front low tire pressure sensor problem in a 2015 GMC Sierra?

DIY repair tips may include checking and inflating the tire to the correct pressure, inspecting the sensor for visible damage, and ensuring all connections are secure and free of corrosion.

8. Will replacing the right front low tire pressure sensor fix the C0755 code in a 2015 GMC Sierra?

In many cases, replacing the malfunctioning right front low tire pressure sensor can resolve the C0755 code. However, it is essential to diagnose the issue accurately before proceeding with any repairs.

9. How much does it typically cost to repair a right front low tire pressure sensor issue in a 2015 GMC Sierra?

The cost of repairing a right front low tire pressure sensor problem can vary depending on the extent of the issue, the need for sensor replacement, and labor costs at a repair shop.

10. Is it necessary to visit a dealership or mechanic to address the C0755 code in a 2015 GMC Sierra?

While visiting a dealership or mechanic is recommended for accurate diagnosis and repair of the C0755 code, some DIY enthusiasts may be able to address the issue themselves with the right tools and knowledge.

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