AutoCodesJeep – C140E Jeep

C140E Jeep Code - Transfer Case Motor Blocked

Quick Answer

The Final Drive Control Module monitors the Transfer Case Motor. Common causes include Faulty Transfer Case Motor, Transfer Case Motor harness is open or shorted, Transfer Case Motor 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
C140E Jeep indicates Transfer Case Motor Blocked.
Common causes
Common causes include Faulty Transfer Case Motor, Transfer Case Motor harness is open or shorted, Transfer Case Motor 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 5,790
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 27, 2020
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Code C140E Jeep Description

The Final Drive Control Module monitors the Transfer Case Motor. The Final Drive Control Module sets the OBDII code when the Transfer Case Motor is not to factory specifications.
OBDII Code C140E Jeep - Transfer Case Motor Blocked - AutoCodes.com
C140E Jeep Code - Transfer Case Motor Blocked

What are the Possible Causes of the DTC C140E Jeep?

  • Faulty Transfer Case Motor
  • Transfer Case Motor harness is open or shorted
  • Transfer Case Motor circuit poor electrical connection
  • Faulty Final Drive Control Module

How to Fix the DTC C140E 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 C140E 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.

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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 C140E Jeep Code

1. What does the OBDII code C140E mean on a Jeep?

The code C140E indicates that the transfer case motor is blocked or unable to move as expected, which can affect the vehicle's 4WD system.

2. What are common symptoms of the C140E code on a Jeep?

Symptoms may include the 4WD system not engaging or disengaging, a service 4WD light on the dashboard, or unusual noises from the transfer case area.

3. What causes the C140E code on a Jeep?

Common causes include a faulty transfer case motor, electrical issues like damaged wiring or connectors, or mechanical obstructions within the transfer case.

4. Can I drive my Jeep with the C140E code active?

While the vehicle may still be drivable, the 4WD system might not function correctly, which could be problematic in off-road or slippery conditions.

5. How do I diagnose the C140E code on a Jeep?

Diagnosis typically involves scanning for codes, inspecting the transfer case motor and its wiring, and checking for any mechanical obstructions in the transfer case.

6. How can I fix the C140E code on my Jeep?

Repairs may include replacing the transfer case motor, repairing damaged wiring or connectors, or addressing mechanical issues inside the transfer case.

7. How much does it cost to fix the C140E code on a Jeep?

Costs can vary but typically range from $200 to $600 depending on whether the issue is electrical or requires a new transfer case motor.

8. Can a software issue cause the C140E code on a Jeep?

While less common, a software issue in the vehicle’s transfer case control module could potentially cause this code and might require reprogramming.

9. How can I prevent the C140E code from occurring again?

Regular maintenance of the transfer case system, including checking for worn components and ensuring the motor is kept clean and functional, can help prevent recurrence.

10. Is the C140E code specific to Jeep vehicles?

This code is Jeep-specific and relates to the transfer case system in their 4WD vehicles, but similar codes may exist for other manufacturers.

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