AutoCodes – Dodge – B212D Dodge

B212D Dodge Code - Ignition Run Only Input Circuit Open

Quick Answer

The Occupant Classification Module (OCM) monitors the Ignition Run/Start Input Circuit. Common causes include Faulty Run Relay, Run Relay harness is open or shorted, Run Relay 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
B212D Dodge indicates Ignition Run Only Input Circuit Open.
Common causes
Common causes include Faulty Run Relay, Run Relay harness is open or shorted, Run Relay 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 21,473
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 B212D Dodge Description

The Occupant Classification Module (OCM) monitors the Ignition Run/Start Input Circuit. The OCM sets the OBDII codes if the voltage on the Fused Run Relay Output circuit drops below 6.0 volts.
OBDII Code B212D Dodge - Ignition Run Only Input Circuit Open - AutoCodes.com
B212D Dodge Code - Ignition Run Only Input Circuit Open

What are the Possible Causes of the DTC B212D Dodge?

  • Faulty Run Relay
  • Run Relay harness is open or shorted
  • Run Relay circuit poor electrical connection
  • Faulty Occupant Classification Module (OCM)

How to Fix the DTC B212D 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 B212D 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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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 B212D Dodge Code

1. What are the common symptoms of OBDII code B212D in a Dodge?

- Common symptoms include the engine stalling or running rough, difficulty starting the vehicle, and the Check Engine light being illuminated.

2. What does the OBDII code B212D "Ignition Run Only Input Circuit Open" mean in a Dodge?

- This code indicates that the vehicle's Engine Control Module (ECM) has detected an open circuit in the ignition run only input, which could be causing issues with the engine's operation.

3. What are the possible causes of the B212D OBDII code in a Dodge?

- Possible causes include a faulty ignition switch, damaged wiring or connectors in the ignition circuit, a defective ECM, or a blown fuse related to the ignition system.

4. How can I diagnose the B212D OBDII code in my Dodge?

- Diagnosing this code typically involves inspecting the ignition circuit wiring and connectors for damage, testing the ignition switch for proper function, and checking related fuses for continuity.

5. Can I drive my Dodge with the B212D OBDII code present?

- It is not recommended to drive the vehicle with this code present, as it can lead to potential issues with engine operation and further damage if left unresolved.

6. How can I repair the B212D OBDII code in my Dodge?

- Repairing this code may involve repairing or replacing damaged wiring or connectors in the ignition circuit, replacing the ignition switch if faulty, or addressing any other underlying issues causing the open circuit.

7. Is it possible to reset the B212D OBDII code in a Dodge without repairs?

- While clearing the code may temporarily turn off the Check Engine light, the underlying issue causing the code will persist until properly diagnosed and repaired.

8. Can a DIY enthusiast fix the B212D OBDII code in a Dodge?

- Depending on their skill level and access to tools, a DIY enthusiast may be able to diagnose and repair the issue causing the B212D code. However, complex electrical issues may require professional assistance.

9. How much does it typically cost to repair the B212D OBDII code in a Dodge?

- The cost of repairing this code can vary widely depending on the underlying issue and whether professional labor is required. Costs may range from a simple fuse replacement to more extensive wiring repairs.

10. Will the B212D OBDII code affect the vehicle's performance in a Dodge?

- Yes, the B212D code can affect the vehicle's performance by causing engine stalling, rough running, or starting issues. Addressing the code promptly is essential to maintain optimal performance.

1. What are the common symptoms of OBDII code B212D (Dodge) - Ignition Run Only Input Circuit Open?

- Common symptoms include intermittent starting issues, engine stalling, and the inability to start the vehicle.

2. What can cause the OBDII code B212D (Dodge) - Ignition Run Only Input Circuit Open to trigger?

- The code can be triggered by a faulty ignition switch, damaged wiring, or a loose connection in the ignition run circuit.

3. How can I diagnose the cause of the Ignition Run Only Input Circuit Open code?

- Use a multimeter to test the continuity of the ignition run circuit, check for loose connections, and inspect the wiring for any damage or corrosion.

4. Can a bad ignition switch cause the B212D code to appear?

- Yes, a faulty ignition switch can disrupt the circuit and trigger the code. It is one of the common causes of the Ignition Run Only Input Circuit Open issue.

5. What are some repair tips for addressing the OBDII code B212D (Dodge)?

- Repair tips include checking and repairing any damaged wiring, ensuring all connections are secure, and replacing the ignition switch if necessary.

6. Is it safe to continue driving with the B212D OBDII code present?

- It is not recommended to continue driving with the code present, as it can lead to potential starting and stalling issues, compromising the vehicle's safety and reliability.

7. Can resetting the OBDII code B212D (Dodge) fix the issue temporarily?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the Ignition Run Only Input Circuit Open.

8. How much does it typically cost to repair the B212D OBDII code?

- The cost of repairing the code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Will the B212D code prevent my vehicle from passing an emissions test?

- Yes, the B212D code can cause your vehicle to fail an emissions test due to the potential impact on engine performance and emissions control systems.

10. Can a DIY enthusiast with basic automotive knowledge fix the B212D code issue?

- Depending on the cause of the problem, a DIY enthusiast with basic automotive knowledge may be able to address the issue by checking and repairing wiring or replacing the ignition switch.

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