U0140 Dodge 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 Dodge 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.
Code U0140 Dodge Description
What are the Possible Causes of the DTC U0140 Dodge?
- 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 Dodge?
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 Dodge 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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Frequently Asked Questions about U0140 Dodge Code
1. What are the common symptoms of OBDII code U0140 in a Dodge indicating a lost communication with the Body Control Module (BCM)?
- Common symptoms include non-functioning interior lights, power windows not working, issues with door locks, and dashboard warning lights illuminating.
2. What are some possible causes of the U0140 code indicating a communication problem with the BCM in a Dodge vehicle?
- Potential causes include a faulty BCM, loose or damaged wiring connections, a blown fuse, or a software issue within the vehicle's computer system.
3. How can I diagnose the U0140 code in my Dodge related to a lost communication with the BCM?
- A diagnostic scan tool can be used to retrieve the specific error codes, check for any related codes, and perform a thorough inspection of the BCM and its connections.
4. Are there any simple repair tips for addressing the U0140 code in a Dodge caused by a lost communication with the BCM?
- Start by checking and securing all wiring connections to the BCM, inspecting fuses related to the BCM, and performing a software reset by disconnecting the battery for a few minutes.
5. Can driving with the U0140 code present in a Dodge indicating a communication issue with the BCM cause any further damage?
- While the vehicle may still be operable with limited functionality, it is recommended to address the issue promptly to prevent any potential electrical malfunctions or safety hazards.
6. Is it possible to reset the U0140 code related to a lost communication with the BCM in a Dodge without visiting a mechanic?
- In some cases, performing a battery reset or using a diagnostic scan tool to clear the code may temporarily resolve the issue, but further investigation may be needed if the problem persists.
7. How much does it typically cost to repair the U0140 code in a Dodge caused by a communication problem with the BCM?
- The cost of repair can vary depending on the underlying cause, but it may range from a simple wiring fix or fuse replacement to a more complex BCM replacement, potentially costing several hundred dollars.
8. Are there any recalls or technical service bulletins related to the U0140 code in Dodge vehicles with communication issues with the BCM?
- It is recommended to check with Dodge dealerships or online resources for any relevant recalls or technical service bulletins addressing the U0140 code specifically in your vehicle model.
9. Can extreme weather conditions or environmental factors contribute to the occurrence of the U0140 code in a Dodge due to communication problems with the BCM?
- While rare, extreme temperatures or water exposure can potentially impact the BCM's functionality, leading to communication failures and triggering the U0140 diagnostic trouble code.
10. Is it possible to prevent the U0140 code from occurring again in a Dodge after resolving the communication issue with the BCM?
- Regular vehicle maintenance, checking for loose wiring connections periodically, and addressing any electrical issues promptly can help prevent the reoccurrence of the U0140 code related to BCM communication problems.
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