Engine-CodesGMC – C0775 2014 GMC Sierra

C0775 2014 GMC Sierra Code - Tire Pressure Monitoring System Sensors Malfunction

Quick Answer

The C0775 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a malfunction in the Tire Pressure Monitoring System (TPMS) sensors. Common causes include Faulty TPMS sensors, Low battery in TPMS sensors, Corrosion or damage to sensor components. 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
C0775 2014 GMC Sierra indicates Tire Pressure Monitoring System Sensors Malfunction.
Common causes
Common causes include Faulty TPMS sensors, Low battery in TPMS sensors, Corrosion or damage to sensor components.
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.
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code C0775 2014 GMC Sierra Description

The C0775 diagnostic trouble code (DTC) for a 2014 GMC Sierra indicates a malfunction in the Tire Pressure Monitoring System (TPMS) sensors. The TPMS is a safety feature in modern vehicles that monitors the air pressure in each tire and alerts the driver if there is a significant deviation from the recommended pressure. The sensors in the TPMS are responsible for transmitting this information to the vehicle's onboard computer.

OBDII Code C0775 2014 GMC Sierra - Tire Pressure Monitoring System Sensors Malfunction
C0775 2014 GMC Sierra Code - Tire Pressure Monitoring System Sensors Malfunction

Common Causes of C0775 2014 GMC Sierra

  1. Faulty TPMS sensors
  2. Low battery in TPMS sensors
  3. Corrosion or damage to sensor components
  4. Electrical issues in the TPMS system
  5. Interference from external sources affecting sensor communication

Symptoms of C0775 2014 GMC Sierra

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

How to Fix C0775 2014 GMC Sierra

  1. Use a TPMS scan tool to diagnose the specific sensor or sensors causing the issue.
  2. Replace the malfunctioning TPMS sensor(s) with new ones.
  3. Reset the TPMS system to ensure proper communication with the new sensors.
  4. Test drive the vehicle to verify that the TPMS warning light is no longer illuminated and that accurate tire pressure readings are displayed.
  5. Perform a final check to confirm that the TPMS system is functioning correctly.

Cost to Fix C0775 2014 GMC Sierra

The cost of repairing a malfunctioning TPMS sensor can vary depending on the make and model of the vehicle, the location of the repair shop, and the quality of the replacement sensors. On average, the cost of replacing a single TPMS sensor can range from $50 to $200, including parts and labor. However, if multiple sensors need to be replaced or if there are additional issues with the TPMS system, the cost can increase. It is recommended to consult with a qualified mechanic or auto repair shop to get an accurate estimate based on the specific circumstances of the vehicle.

Tech Notes for C0775 2014 GMC Sierra

























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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 C0775 2014 GMC Sierra Code

1. What are the common symptoms of a Tire Pressure Monitoring System (TPMS) Sensors Malfunction with OBDII code C0775 in a 2014 GMC Sierra?

The common symptoms include a TPMS warning light on the dashboard, inaccurate or fluctuating tire pressure readings, and potential loss of communication with the TPMS sensors.

2. What are the possible causes of OBDII code C0775 indicating a TPMS Sensors Malfunction in a 2014 GMC Sierra?

The possible causes include faulty TPMS sensors, damaged wiring or connectors, low tire pressure, sensor battery failure, or issues with the TPMS module.

3. How can I diagnose a TPMS Sensors Malfunction with OBDII code C0775 in my 2014 GMC Sierra?

You can diagnose the issue by using a TPMS diagnostic tool to read the specific codes, inspecting the TPMS sensors for damage or corrosion, checking tire pressure levels, and verifying the integrity of the wiring connections.

4. Can I still drive my 2014 GMC Sierra with a TPMS Sensors Malfunction and OBDII code C0775?

It is not recommended to drive with a TPMS Sensors Malfunction as it can compromise your safety by providing inaccurate tire pressure information. It's best to address the issue promptly.

5. How can I reset the TPMS system after repairing the TPMS Sensors Malfunction in my 2014 GMC Sierra?

After repairing the issue, you can reset the TPMS system by following the specific reset procedure outlined in your vehicle's owner's manual or using a TPMS reset tool.

6. Are there any DIY repair tips for fixing a TPMS Sensors Malfunction related to OBDII code C0775 in a 2014 GMC Sierra?

DIY repair tips may include checking and adjusting tire pressures to the manufacturer's specifications, inspecting and replacing damaged TPMS sensors, and ensuring proper wiring connections.

7. Is it necessary to replace all TPMS sensors if one is malfunctioning in my 2014 GMC Sierra with OBDII code C0775?

While it's not always necessary to replace all sensors, it's recommended to inspect and potentially replace all sensors if they are reaching the end of their service life to avoid future issues.

8. Can extreme weather conditions affect the performance of the TPMS Sensors in my 2014 GMC Sierra, leading to OBDII code C0775?

Extreme weather conditions, such as severe cold or heat, can impact the performance of TPMS sensors, potentially causing malfunctions and triggering OBDII codes like C0775.

9. How much does it typically cost to repair a TPMS Sensors Malfunction related to OBDII code C0775 in a 2014 GMC Sierra?

The cost of repairing a TPMS Sensors Malfunction can vary depending on the extent of the issue, parts needed, labor costs, and whether you choose to do the repair yourself or take it to a professional mechanic.

10. Can I prevent future TPMS Sensors Malfunctions in my 2014 GMC Sierra to avoid OBDII code C0775?

You can prevent future TPMS Sensors Malfunctions by regularly checking and maintaining proper tire pressure, avoiding harsh driving conditions, ensuring the sensors are clean and free of debris, and replacing sensors as needed.

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