AutoCodes – Mercury – C0072 Mercury

C0072 Mercury Code - Brake Temperature Too High

Quick Answer

This Diagnostic Trouble Code (DTC) sets when the temperature of the brake discs/drums, as calculated by the ABS module, exceeds a predetermined threshold, 450Â°C (841.4Â°F). Common causes include Retrieve and Diagnose all other Anti-Lock Brake System (ABS) module codes. 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: C0072 Mercury indicates Brake Temperature Too High.
Common causes: Common causes include Retrieve and Diagnose all other Anti-Lock Brake System (ABS) module codes.
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 965

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 May 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0072 Mercury Description

This Diagnostic Trouble Code (DTC) sets when the temperature of the brake discs/drums, as calculated by the ABS module, exceeds a predetermined threshold, 450Â°C (841.4Â°F). This DTC usually sets due to the stability system being activated too long, excessive traction control events, excessive anti-lock events, etc. Retrieve and Diagnose all other Anti-Lock Brake System (ABS) module codes.

OBDII Code C0072 Mercury - Brake Temperature Too High - AutoCodes.com — C0072 Mercury Code - Brake Temperature Too High

What does this mean?

What are the Possible Causes of the DTC C0072 Mercury?

Retrieve and Diagnose all other Anti-Lock Brake System (ABS) module codes

How to Fix the DTC C0072 Mercury?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0072 Mercury 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.

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Need more information on how to fix the C0072 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0072 Mercury code diagnosed by a professional: Find a repair shop in your area

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 C0072 Mercury Code

1. What are the common symptoms of OBDII code C0072 Mercury (Brake Temperature Too High)?

The common symptoms include illuminated brake warning light on the dashboard, overheating brakes, and decreased braking performance.

2. What can cause the OBDII code C0072 Mercury to trigger?

The code may be triggered by driving with the parking brake engaged, a malfunctioning brake temperature sensor, or issues with the brake system's hydraulic components.

3. How serious is the issue indicated by OBDII code C0072 Mercury?

Ignoring the issue can lead to brake system failure, reduced braking effectiveness, and safety hazards. It is important to address the problem promptly.

4. How can I diagnose the cause of OBDII code C0072 Mercury?

Diagnosing the issue involves checking the brake temperature sensor, inspecting the brake system for any abnormalities, and ensuring the parking brake is fully disengaged while driving.

5. What are some repair tips for resolving OBDII code C0072 Mercury?

Repair tips include checking and replacing the brake temperature sensor if faulty, ensuring the parking brake is fully released, and inspecting the brake system for any signs of overheating or damage.

6. Can I continue driving my vehicle with OBDII code C0072 Mercury present?

It is not recommended to drive the vehicle with the code active, as it indicates potential brake system issues that can compromise safety. Seek professional help to address the problem.

7. How can I reset the OBDII code C0072 Mercury after making repairs?

After addressing the underlying issue causing the code, you can reset it using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the code.

8. Are there any preventive measures to avoid OBDII code C0072 Mercury in the future?

To prevent the code from reoccurring, make sure to release the parking brake before driving, regularly inspect and maintain the brake system, and address any brake-related issues promptly.

9. Can extreme weather conditions contribute to triggering OBDII code C0072 Mercury?

Yes, driving in extreme heat or severe braking conditions can elevate brake temperatures and potentially trigger the code. It is important to monitor and manage brake temperatures in such conditions.

10. Should I attempt to repair OBDII code C0072 Mercury myself or seek professional help?

Given the safety implications of brake system issues, it is advisable to seek professional help to diagnose and repair the problem correctly. A qualified mechanic can ensure the brake system is functioning safely and effectively.