AutoCodesRAM – B2140 RAM

B2140 RAM Code - Ignition Start Control Circuit High

Quick Answer

The Front Control Module is not configured correctly setting a false Diagnostic Trouble Code (DTC) that does not apply to this vehicle. Common causes include Front Control Module not configured correctly. 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
B2140 RAM indicates Ignition Start Control Circuit High.
Common causes
Common causes include Front Control Module not configured correctly.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 657
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 19, 2019
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Code B2140 RAM Description

The Front Control Module is not configured correctly setting a false Diagnostic Trouble Code (DTC) that does not apply to this vehicle.
OBDII Code B2140 RAM - Ignition Start Control Circuit High - AutoCodes.com
B2140 RAM Code - Ignition Start Control Circuit High

What are the Possible Causes of the DTC B2140 RAM?

  • Front Control Module not configured correctly

How to Fix the DTC B2140 RAM?

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 B2140 RAM 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 B2140 RAM code?

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Need Help with the Code?

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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 B2140 RAM Code

1. What does the OBDII code B2140 RAM mean?

The code B2140 indicates a high voltage issue in the ignition start control circuit, which is responsible for starting the engine.

2. What are the symptoms of the B2140 code?

Common symptoms include the engine failing to start, intermittent starting issues, or the starter motor not engaging.

3. What causes the B2140 code in a RAM vehicle?

Possible causes include a faulty ignition switch, damaged wiring or connectors in the start control circuit, or a malfunctioning starter relay.

4. Can a weak battery trigger the B2140 code?

Yes, a weak or failing battery can result in improper voltage levels, potentially triggering this code.

5. How do I diagnose the B2140 code?

Use a multimeter to check the voltage in the ignition start control circuit, inspect wiring and connectors for damage, and test the starter relay and ignition switch.

6. Can I still drive my RAM vehicle with the B2140 code?

If the engine starts, you may be able to drive, but it’s best to address the issue immediately to avoid being stranded due to starting failure.

7. How do I fix the B2140 code in a RAM vehicle?

Repairs may include replacing the ignition switch, repairing damaged wiring, or replacing a faulty starter relay.

8. How much does it cost to fix the B2140 code?

Repair costs can range from $50 to $300, depending on whether the issue is a minor wiring repair or a faulty component replacement.

9. Can clearing the code fix the issue?

Clearing the code may temporarily turn off the check engine light, but the underlying problem must be resolved to prevent the code from returning.

10. Is the B2140 code common in RAM vehicles?

This code is not extremely common but can occur in vehicles with aging electrical components or issues in the ignition system.

Discuss the causes and fixes for B2140 RAM OBDII Code

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