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Engine-Codes – Generic – C1086

C1086 Code - ABS System Control Too Long Over Temperature

Quick Answer

The C1086 diagnostic trouble code (DTC) indicates that the Anti-Lock Brake System (ABS) control module has detected that the system has been operating at an excessively high temperature for an extended period. Common causes include Faulty ABS control module, Malfunctioning ABS sensors, Overheating due to excessive use or driving conditions. 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
C1086 indicates ABS System Control Too Long Over Temperature.
Common causes
Common causes include Faulty ABS control module, Malfunctioning ABS sensors, Overheating due to excessive use or driving conditions.
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 09, 2024
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Code C1086 Description

The C1086 diagnostic trouble code (DTC) indicates that the Anti-Lock Brake System (ABS) control module has detected that the system has been operating at an excessively high temperature for an extended period. The ABS system is responsible for preventing wheel lock-up during braking, improving vehicle stability, and reducing stopping distances. When the ABS control module detects that the system has been over temperature for too long, it can lead to reduced braking performance, increased stopping distances, and potential safety hazards.

OBDII Code C1086 - ABS System Control Too Long Over Temperature
C1086 Code - ABS System Control Too Long Over Temperature

Common Causes of C1086

  1. Faulty ABS control module.
  2. Malfunctioning ABS sensors.
  3. Overheating due to excessive use or driving conditions.
  4. Defective cooling components (e.g., cooling fan, radiator).

Symptoms of C1086

  1. Illumination of the ABS warning light on the dashboard.
  2. Increased brake pedal effort required to stop the vehicle.
  3. Longer-than-usual stopping distances.
  4. ABS system may engage unexpectedly or fail to engage during braking.
  5. Decreased overall vehicle stability during braking maneuvers.

How to Fix C1086

  1. Diagnostic scan: Use a diagnostic scan tool to retrieve the specific DTC, confirm the issue, and identify the affected components.
  2. Check cooling system: Inspect the cooling components of the ABS system, including the cooling fan and radiator, to ensure they are functioning correctly.
  3. Test ABS sensors: Check the ABS sensors for proper operation and replace any faulty sensors if necessary.
  4. Replace ABS control module: If the ABS control module is determined to be faulty, it may need to be replaced to resolve the issue.
  5. Clear codes and test drive: After completing the repairs, clear the DTC from the ABS control module's memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1086

The cost of repairing a C1086 ABS System Control Too Long Over Temperature code can vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. In general, the cost of parts for ABS system repairs can range from $200 to $800, while labor costs can add an additional $100 to $300. Overall, the total repair cost for this issue could range from $300 to $1100 or more. It's important to note that these are rough estimates, and actual costs may vary based on the vehicle's make and model, the severity of the issue, and the shop's labor rates. To obtain a more accurate cost estimate, it is recommended to consult with a trusted mechanic or auto repair shop in your area.

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Code C1086 Information for Specific Makes

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 C1086 Code

1. What are the common symptoms of OBDII code C1086 related to ABS System Control Too Long Over Temperature?

The common symptoms of OBDII code C1086 include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and possible issues with vehicle stability during braking.

2. What are the possible causes of OBDII code C1086?

Possible causes of OBDII code C1086 include a faulty ABS control module, damaged wheel speed sensors, overheating of the ABS system components, or wiring/connectivity issues within the ABS system.

3. How can I diagnose OBDII code C1086 related to ABS System Control Too Long Over Temperature?

Diagnosing OBDII code C1086 involves using a diagnostic scanner to retrieve the trouble codes, conducting a visual inspection of the ABS system components, checking the wheel speed sensors for proper function, and testing the ABS control module for faults.

4. What are some repair tips for addressing OBDII code C1086?

Repair tips for addressing OBDII code C1086 may include replacing a faulty ABS control module, repairing or replacing damaged wheel speed sensors, ensuring proper cooling of the ABS system components, and addressing any wiring or connectivity issues within the ABS system.

5. Can I continue driving my vehicle with OBDII code C1086 present?

It is not recommended to continue driving your vehicle with OBDII code C1086 present, as it may lead to potential safety risks due to compromised ABS functionality. It is advised to address the issue promptly to ensure the proper operation of the ABS system.

6. How serious is OBDII code C1086 related to ABS System Control Too Long Over Temperature?

OBDII code C1086 should be taken seriously as it indicates a potential issue with the ABS system that can affect the vehicle's braking performance and stability. Ignoring this code can compromise safety and lead to further damage to the ABS components.

7. Can OBDII code C1086 be cleared/reset, or does it require repair?

While OBDII codes can be cleared/reset using a diagnostic scanner, OBDII code C1086 related to ABS System Control Too Long Over Temperature is a persistent issue that requires repair to address the underlying cause and prevent it from reoccurring.

8. How much does it typically cost to repair OBDII code C1086?

The cost of repairing OBDII code C1086 can vary depending on the specific cause of the issue, the extent of damage to the ABS components, and the labor rates of the repair facility. It is recommended to get a diagnosis and estimate from a qualified mechanic.

9. Are there any preventive measures to avoid OBDII code C1086 in the future?

To prevent OBDII code C1086 in the future, it is important to maintain your vehicle's ABS system by regularly checking for any signs of overheating, ensuring proper cooling of the system, and addressing any ABS-related issues promptly to avoid potential damage.

10. How long does it typically take to repair OBDII code C1086?

The repair time for OBDII code C1086 can vary depending on the complexity of the issue, the availability of replacement parts, and the technician's experience. It is advisable to consult with a professional mechanic to get an accurate estimate of the repair time.

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