AutoCodes – Infiniti – C118C Infiniti

C118C Infiniti Code - EV/HEV System

Quick Answer

The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Vehicle Charging Module (VCM). Common causes include Faulty Vehicle Charging Module (VCM), Vehicle Charging Module (VCM) harness is open or shorted, Vehicle Charging Module (VCM) 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: C118C Infiniti indicates EV/HEV System.
Common causes: Common causes include Faulty Vehicle Charging Module (VCM), Vehicle Charging Module (VCM) harness is open or shorted, Vehicle Charging Module (VCM) 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 9,914

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 C118C Infiniti Description

The Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit) monitors the Vehicle Charging Module (VCM). The ABS Actuator And Electric Unit sets the OBDII code when the VCM is not to factory specifications.

OBDII Code C118C Infiniti - EV/HEV System - AutoCodes.com — C118C Infiniti Code - EV/HEV System

What does this mean?

What are the Possible Causes of the DTC C118C Infiniti?

Faulty Vehicle Charging Module (VCM)
Vehicle Charging Module (VCM) harness is open or shorted
Vehicle Charging Module (VCM) circuit poor electrical connection
Faulty Anti-Lock Brake System (ABS) Actuator And Electric Unit (Control Unit)

How to Fix the DTC C118C Infiniti?

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 C118C Infiniti 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 C118C Infiniti code?

Need more information on how to fix the C118C Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C118C Infiniti 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 C118C Infiniti Code

1. What does OBDII code C118C in an Infiniti indicate?

Code C118C specifically relates to a fault in the EV/HEV (Electric Vehicle/Hybrid Electric Vehicle) system of the vehicle.

2. What are some common symptoms of OBDII code C118C in an Infiniti?

Common symptoms include poor fuel economy, loss of power, and the vehicle may not start or run properly.

3. What are possible causes of OBDII code C118C in an Infiniti?

Potential causes include a faulty hybrid battery, issues with the electric motor, problems with the inverter, or wiring/connectivity issues in the EV/HEV system.

4. How can I diagnose OBDII code C118C in my Infiniti?

Diagnosing this code typically requires specialized diagnostic equipment to pinpoint the exact source of the fault within the EV/HEV system.

5. Can I continue driving my Infiniti with OBDII code C118C?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the EV/HEV system and potentially unsafe driving conditions.

6. How can I repair OBDII code C118C in my Infiniti?

Repairing this code often involves addressing the specific component or system that is causing the fault, which may require professional assistance from a certified technician.

7. Is OBDII code C118C a common issue in Infiniti vehicles?

While not extremely common, OBDII code C118C can occur in certain models of Infiniti vehicles, particularly those equipped with EV/HEV systems.

8. Are there any preventative measures to avoid OBDII code C118C in an Infiniti?

Regular maintenance of the EV/HEV system, such as checking the hybrid battery's health and ensuring proper electrical connections, can help prevent this code from appearing.

9. How long does it typically take to repair OBDII code C118C in an Infiniti?

The repair time can vary depending on the specific cause of the fault, but it may take several hours to diagnose and fix the issue with the EV/HEV system.

10. Can I reset OBDII code C118C in my Infiniti on my own?

While you may be able to clear the code temporarily, it is important to address the underlying issue causing the fault to prevent the code from reappearing.