AutoCodes – Generic – C0775

C0775 Code - Tire Pressure Monitoring System Sensors Malfunction

Quick Answer

If the Body Control Module (BCM) has been reprogrammed or replaced and the tire pressure sensor learn procedure has not been performed, the tire pressure monitor system indicator icon on the instrument cluster will flash for 1 min and then remain illuminated after the power switch is cycled ON and the instrument cluster bulb check is complete. Common causes include Relearn Low Tire Pressure System Sensors. 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 indicates Tire Pressure Monitoring System Sensors Malfunction.
Common causes: Common causes include Relearn Low Tire Pressure System Sensors.
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.

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Code Popularity 21,007

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 18, 2023

Description
Possible Causes
How To Fix
Tech Notes ▶
Cost to Diagnose
FAQs
Comments
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Code C0775 Description

If the Body Control Module (BCM) has been reprogrammed or replaced and the tire pressure sensor learn procedure has not been performed, the tire pressure monitor system indicator icon on the instrument cluster will flash for 1 min and then remain illuminated after the power switch is cycled ON and the instrument cluster bulb check is complete. If equipped, the driver information center will also display a service tire monitor-type message. Under these circumstances, Diagnostic Trouble Code (DTC) C0775 will be set in the BCM and the tire pressure sensor learning procedure will need to be performed for the system to function correctly.

OBDII Code C0775 - Tire Pressure Monitoring System Sensors Malfunction - AutoCodes.com — C0775 Code - Tire Pressure Monitoring System Sensors Malfunction

What does this mean?

What are the Possible Causes of the DTC C0775?

Relearn Low Tire Pressure System Sensors

How to Fix the DTC C0775?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

User Submitted Video

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0775 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C0775 code?

Need more information on how to fix the C0775 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0775 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0775 Buick — Tire Pressure Monitoring System Sensors Malfunction
C0775 Cadillac — Tire Pressure Monitoring System Sensors Malfunction
C0775 Chevrolet — Tire Pressure Monitoring System Sensors Malfunction
C0775 GMC — Tire Pressure Monitoring System Sensors Malfunction

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 Code

1. What are the common symptoms of OBDII code C0775 (Tire Pressure Monitoring System Sensors Malfunction)?

- Common symptoms include the TPMS warning light illuminating on the dashboard, inaccurate or fluctuating tire pressure readings, and potential loss of TPMS functionality.

2. What are the possible causes of OBDII code C0775?

- The code C0775 can be triggered by issues with the tire pressure monitoring system sensors, such as sensor damage, low sensor battery voltage, sensor signal interference, or communication errors.

3. How can I diagnose the cause of OBDII code C0775?

- Diagnosing the cause of code C0775 typically involves using a diagnostic scanner to retrieve the specific sensor(s) triggering the code, checking the sensor batteries, inspecting for physical damage, and testing sensor communication.

4. Can I continue driving my vehicle with OBDII code C0775?

- While it may be safe to drive with the code present, it is important to address the underlying issue promptly to ensure accurate tire pressure monitoring and avoid potential safety risks.

5. How can I repair OBDII code C0775 (Tire Pressure Monitoring System Sensors Malfunction)?

- Repairing code C0775 may involve replacing faulty TPMS sensors, replacing sensor batteries, addressing signal interference, or reprogramming the TPMS system as needed.

6. Are there any DIY tips for troubleshooting OBDII code C0775?

- DIY troubleshooting tips may include checking tire pressures manually, inspecting sensor locations for physical damage, ensuring proper sensor installation, and verifying sensor communication using a TPMS tool.

7. How much does it typically cost to repair OBDII code C0775?

- The cost of repairing code C0775 can vary depending on the specific issue, the number of sensors needing replacement, labor costs, and whether the repairs are done at a dealership or an independent repair shop.

8. Can weather conditions affect OBDII code C0775?

- Extreme temperature fluctuations or severe weather conditions can potentially impact tire pressure readings and the performance of TPMS sensors, leading to the triggering of code C0775.

9. Is it possible for OBDII code C0775 to clear on its own?

- In some cases, if the underlying issue causing code C0775 is temporary (such as low sensor battery voltage), the code may clear on its own after the problem is resolved. However, it is recommended to diagnose and address the issue promptly.

10. How often should TPMS sensors be replaced to prevent OBDII code C0775 from recurring?

- TPMS sensors typically have a lifespan of 5-10 years or around 100,000 miles, but it's important to monitor sensor performance regularly and replace them as needed to prevent the recurrence of code C0775.