AutoCodes – Chrysler – C140F Chrysler

C140F Chrysler Code - Transfer Case Range Position Sensor Erratic Performance

Quick Answer

The Final Drive Control Module monitors the Transfer Case Range Position Sensor. Common causes include Faulty Transfer Case Range Position Sensor, Transfer Case Range Position Sensor harness is open or shorted, Transfer Case Range Position Sensor 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: C140F Chrysler indicates Transfer Case Range Position Sensor Erratic Performance.
Common causes: Common causes include Faulty Transfer Case Range Position Sensor, Transfer Case Range Position Sensor harness is open or shorted, Transfer Case Range Position Sensor 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 1,843

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
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Code C140F Chrysler Description

The Final Drive Control Module monitors the Transfer Case Range Position Sensor. The Final Drive Control Module sets the OBDII code when the Transfer Case Range Position Sensor is not to factory specifications.

OBDII Code C140F Chrysler - Transfer Case Range Position Sensor Erratic Performance - AutoCodes.com — C140F Chrysler Code - Transfer Case Range Position Sensor Erratic Performance

What does this mean?

What are the Possible Causes of the DTC C140F Chrysler?

Faulty Transfer Case Range Position Sensor
Transfer Case Range Position Sensor harness is open or shorted
Transfer Case Range Position Sensor circuit poor electrical connection
Faulty Final Drive Control Module

How to Fix the DTC C140F Chrysler?

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 C140F Chrysler 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 C140F Chrysler code?

Need more information on how to fix the C140F Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C140F Chrysler 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 C140F Chrysler Code

1. What does the OBDII code C140F mean on a Chrysler vehicle?

The code C140F indicates an issue with the transfer case range position sensor, specifically erratic performance or inconsistent readings.

2. What are the common symptoms of C140F on a Chrysler?

Symptoms may include difficulty shifting the transfer case, the "Service 4WD" warning light illuminating, or the vehicle becoming stuck in a particular drive mode.

3. What causes the C140F code to appear?

Common causes include a faulty transfer case range position sensor, damaged wiring or connectors, a malfunctioning transfer case motor, or software issues in the control module.

4. Can driving with a C140F code cause further damage?

Yes, continued driving with this issue may lead to further damage to the transfer case or drivetrain components if left unresolved.

5. How is the C140F code diagnosed?

A technician will use a scan tool to retrieve the code, inspect the transfer case sensor and motor, check for wiring issues, and test the sensor's performance.

6. Is the transfer case range position sensor replaceable?

Yes, the transfer case range position sensor can typically be replaced if it is determined to be the cause of the issue.

7. How much does it cost to fix the C140F code on a Chrysler?

Repair costs vary but may range from $150 to $500, depending on whether the sensor, wiring, or other components need replacement.

8. Can a software update fix the C140F code?

In some cases, a software update or reprogramming of the control module may resolve the issue if it is related to erratic sensor readings.

9. What tools are needed to repair the C140F code?

You may need an OBDII scanner, multimeter, and basic hand tools to diagnose and repair the issue, though professional assistance is often recommended.

10. How can I prevent the C140F code from recurring?

Regular maintenance, inspecting the transfer case system for wear, and addressing any drivetrain issues promptly can help prevent the code from reappearing.