AutoCodes – Jeep – C1418 Jeep

C1418 Jeep Code - Front Differential Control Circuit High

Quick Answer

The Final Drive Control Module monitors the Front Differential Control. Common causes include Faulty Front Locker Solenoid, Front Locker Solenoid harness is open or shorted, Front Locker Solenoid 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: C1418 Jeep indicates Front Differential Control Circuit High.
Common causes: Common causes include Faulty Front Locker Solenoid, Front Locker Solenoid harness is open or shorted, Front Locker Solenoid 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,154

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 Sep 27, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C1418 Jeep Description

The Final Drive Control Module monitors the Front Differential Control. The Final Drive Control Module sets the OBDII code when the Front Differential Control is not to factory specifications.

OBDII Code C1418 Jeep - Front Differential Control Circuit High - AutoCodes.com — C1418 Jeep Code - Front Differential Control Circuit High

What does this mean?

What are the Possible Causes of the DTC C1418 Jeep?

Faulty Front Locker Solenoid
Front Locker Solenoid harness is open or shorted
Front Locker Solenoid circuit poor electrical connection
Faulty Final Drive Control Module

How to Fix the DTC C1418 Jeep?

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 C1418 Jeep 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 C1418 Jeep code?

Need more information on how to fix the C1418 Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1418 Jeep 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 C1418 Jeep Code

1. What are the common symptoms of OBDII code C1418 in a Jeep related to the Front Differential Control Circuit High?

The common symptoms include the illumination of the Check Engine Light (CEL), issues with the 4WD system, and unusual noises coming from the front differential.

2. What are the possible causes of OBDII code C1418 indicating a Front Differential Control Circuit High in a Jeep?

The code C1418 may be triggered by damaged wiring or connectors, a faulty front differential control module, or a malfunctioning front differential actuator.

3. How can I diagnose the OBDII code C1418 in my Jeep for the Front Differential Control Circuit High issue?

Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors for damage, and testing the front differential control module and actuator for proper functionality.

4. Can I still drive my Jeep with the OBDII code C1418 related to the Front Differential Control Circuit High?

It is not recommended to drive the vehicle with this code present, as it can lead to further damage to the front differential components and compromise the 4WD system's performance.

5. Is it possible to repair the OBDII code C1418 in my Jeep on my own?

While some DIY enthusiasts may attempt to repair this issue, it is recommended to seek professional help due to the complexity of diagnosing and fixing electrical problems in the front differential control circuit.

6. How much does it typically cost to repair the OBDII code C1418 associated with the Front Differential Control Circuit High in a Jeep?

The repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $200 to $600 for parts and labor.

7. Are there any preventive maintenance tips to avoid encountering the OBDII code C1418 in a Jeep?

Regularly inspecting and maintaining the front differential components, such as the control module and actuator, can help prevent issues that may trigger the C1418 code.

8. Can extreme weather conditions impact the likelihood of the OBDII code C1418 occurring in a Jeep?

Yes, extreme temperatures and weather conditions can affect the front differential control circuit's performance, potentially leading to the triggering of the C1418 code.

9. How long does it take to repair the OBDII code C1418 for a Front Differential Control Circuit High in a Jeep?

The repair time can vary depending on the exact cause of the issue and the availability of parts, but it usually takes a few hours to a full day to complete the repair.

10. Will resetting the OBDII code C1418 in my Jeep make the issue go away permanently?

Resetting the code without addressing the underlying cause will not fix the issue permanently. It is crucial to diagnose and repair the root cause to prevent the code from reoccurring.