AutoCodes – Chrysler – U0140 Chrysler

U0140 Chrysler Code - Lost Communication With Body Control Module

Quick Answer

When the ignition is activated and the battery voltage remains within the range of 10 to 16 volts, with the Body Control Module (BCM) properly configured, continuous monitoring of the BCM occurs. Common causes include Body Control Module (BCM) not configured correctly, Faulty Body Control Module, Body Control Module harness is open or shorted. 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: U0140 Chrysler indicates Lost Communication With Body Control Module.
Common causes: Common causes include Body Control Module (BCM) not configured correctly, Faulty Body Control Module, Body Control Module harness is open or shorted.
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 1,959

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 26, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0140 Chrysler Description

When the ignition is activated and the battery voltage remains within the range of 10 to 16 volts, with the Body Control Module (BCM) properly configured, continuous monitoring of the BCM occurs. The Diagnostic Trouble Code (DTC) U0140 is triggered if the BCM fails to send or receive bus messages for a duration of approximately two to five seconds.

OBDII Code U0140 Chrysler - Lost Communication With Body Control Module - AutoCodes.com — U0140 Chrysler Code - Lost Communication With Body Control Module

What does this mean?

What are the Possible Causes of the DTC U0140 Chrysler?

Body Control Module (BCM) not configured correctly
Faulty Body Control Module
Body Control Module harness is open or shorted
Body Control Module circuit poor electrical connection

How to Fix the DTC U0140 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 U0140 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.

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Need more information on how to fix the U0140 Chrysler code? Get Access to Factory Service Manuals

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Get the U0140 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 U0140 Chrysler Code

1. What are the common symptoms of OBDII code U0140 in a Chrysler vehicle?

- Common symptoms include issues with power windows, door locks, lighting controls, or other body module functions not working properly.

2. What does the OBDII code U0140 in a Chrysler indicate?

- The U0140 code indicates that there is a communication problem between the vehicle's engine control module (ECM) and the body control module (BCM).

3. What are some possible causes of the U0140 code in a Chrysler?

- Possible causes include a faulty body control module, damaged wiring or connectors between the ECM and BCM, or a software issue.

4. How can I diagnose the U0140 code in my Chrysler?

- Diagnosing the U0140 code typically involves using a professional OBDII scanner to retrieve the specific details of the code and checking the communication lines between the ECM and BCM.

5. Can the U0140 code be cleared/reset in a Chrysler vehicle?

- Yes, the U0140 code can be cleared/reset using an OBDII scanner, but it is important to address the underlying communication issue to prevent the code from reappearing.

6. What are some repair tips for fixing the U0140 code in a Chrysler?

- Repair tips may include checking and repairing any damaged wiring or connectors, replacing the body control module if necessary, and updating software as recommended by the manufacturer.

7. Is it safe to continue driving with the U0140 code present in a Chrysler?

- It is generally not recommended to continue driving with the U0140 code present, as it can lead to further electrical issues and potential safety concerns with the vehicle.

8. Can a DIY enthusiast fix the U0140 code in a Chrysler, or is professional help required?

- While some DIY enthusiasts may be able to diagnose and repair the U0140 code, it is often recommended to seek professional help, especially when dealing with complex electrical systems.

9. How much does it typically cost to repair the U0140 code in a Chrysler vehicle?

- The cost of repairing the U0140 code can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services.

10. Are there any recalls or technical service bulletins related to the U0140 code in Chrysler vehicles?

- It is advisable to check with the Chrysler dealership or manufacturer for any recalls or technical service bulletins related to the U0140 code to see if there are any known issues or solutions available.