AutoCodes – Generic – C118A

C118A Code - Electrically-Driven Intelligent Brake System

Quick Answer

The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Electrically-Driven Intelligent Brake System Unit. Common causes include Faulty Electrically-Driven Intelligent Brake System Unit, Electrically-Driven Intelligent Brake System Unit harness is open or shorted, Electrically-Driven Intelligent Brake System Unit circuit poor electrical connection. 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: C118A indicates Electrically-Driven Intelligent Brake System.
Common causes: Common causes include Faulty Electrically-Driven Intelligent Brake System Unit, Electrically-Driven Intelligent Brake System Unit harness is open or shorted, Electrically-Driven Intelligent Brake System Unit circuit poor electrical connection.
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 1,268

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 Aug 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C118A Description

The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Electrically-Driven Intelligent Brake System Unit. The ABS Actuator And Electric Unit sets the OBDII code when the Electrically-Driven Intelligent Brake System Unit is not to factory specifications.

OBDII Code C118A - Electrically-Driven Intelligent Brake System - AutoCodes.com — C118A Code - Electrically-Driven Intelligent Brake System

What does this mean?

What are the Possible Causes of the DTC C118A?

Faulty Electrically-Driven Intelligent Brake System Unit
Electrically-Driven Intelligent Brake System Unit harness is open or shorted
Electrically-Driven Intelligent Brake System Unit circuit poor electrical connection
Faulty Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit)

How to Fix the DTC C118A?

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 C118A 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 C118A code?

Need more information on how to fix the C118A code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C118A code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C118A Infiniti — Electrically-Driven Intelligent Brake System
C118A Nissan — Electrically-Driven Intelligent Brake System

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 C118A Code

1. What does OBDII code C118A indicate?

The OBDII code C118A refers to a problem with the Electrically-Driven Intelligent Brake System.

2. What are common symptoms of OBDII code C118A?

Common symptoms of OBDII code C118A may include issues with the vehicle's braking system, such as reduced braking performance or warning lights on the dashboard.

3. What can cause OBDII code C118A to trigger?

OBDII code C118A can be triggered by faults in the electric components of the intelligent brake system, such as wiring issues, sensor malfunctions, or electronic control unit (ECU) failures.

4. How serious is OBDII code C118A?

OBDII code C118A should be addressed promptly as it relates to the vehicle's braking system, which is crucial for safety. It is recommended to have the issue diagnosed and repaired by a qualified technician.

5. How can I diagnose OBDII code C118A?

Diagnosing OBDII code C118A typically involves using a diagnostic scanner to retrieve the fault codes, conducting a visual inspection of the brake system components, and testing the sensors and wiring for any faults.

6. Can I drive my vehicle with OBDII code C118A?

It is not recommended to drive your vehicle with OBDII code C118A present, as it may affect the proper functioning of the braking system. It's best to have the issue addressed before driving the vehicle again.

7. How can OBDII code C118A be repaired?

Repairing OBDII code C118A may involve fixing any wiring issues, replacing faulty sensors, or repairing/replacing the electronic control unit (ECU) responsible for the intelligent brake system.

8. Are there any DIY tips for fixing OBDII code C118A?

While some basic troubleshooting like checking for loose connections or damaged wires can be done DIY, it is recommended to have a professional technician diagnose and repair OBDII code C118A to ensure proper and safe repair.

9. How much does it cost to repair OBDII code C118A?

The cost of repairing OBDII code C118A can vary depending on the underlying issue, the parts that need to be replaced, and the labor costs. It's best to get a diagnosis from a technician to get an accurate estimate.

10. Can OBDII code C118A be prevented?

Regular maintenance of the brake system, including checking for any signs of wear or damage, can help prevent issues that may trigger OBDII code C118A. Promptly addressing any brake system warning lights can also help prevent more serious problems.