AutoCodes – RAM – B218B RAM

B218B RAM Code - Ignition Run/Start 1 Control Circuit Overcurrent

Quick Answer

The Totally Integrated Power Module (TIPM) monitors the Ignition Run/Start 1 Control Circuit. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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: B218B RAM indicates Ignition Run/Start 1 Control Circuit Overcurrent.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch 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 721

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 25, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B218B RAM Description

The Totally Integrated Power Module (TIPM) monitors the Ignition Run/Start 1 Control Circuit. The Diagnostic Trouble Code (DTC) is set when the TIPM detects an Over current condition on the Fused Ignition Switch Output (Run-Start) circuit.

OBDII Code B218B RAM - Ignition Run/Start 1 Control Circuit Overcurrent - AutoCodes.com — B218B RAM Code - Ignition Run/Start 1 Control Circuit Overcurrent

What does this mean?

What are the Possible Causes of the DTC B218B RAM?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Totally Integrated Power Module (TIPM)

How to Fix the DTC B218B 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 B218B 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.

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Need Help with the Code?

Get the B218B RAM 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 B218B RAM Code

1. What are the common symptoms of OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

Typical symptoms include difficulty starting the vehicle, engine stalling, or the engine not starting at all.

2. What can cause the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

Possible causes may include a faulty ignition switch, damaged wiring in the ignition system, or a defective ignition control module.

3. How serious is the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

While the severity can vary, this issue should be addressed promptly to prevent further damage to the vehicle's electrical system and ensure reliable starting and operation.

4. How can I diagnose the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

A thorough inspection of the ignition system components, such as the ignition switch, wiring, and control module, using a multimeter and diagnostic scanner can help pinpoint the cause of the issue.

5. Can I repair the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent myself?

Depending on your skill level and access to tools, you may be able to address this issue yourself by replacing the faulty components in the ignition system. However, seeking professional help is recommended for accurate diagnosis and repair.

6. Are there any common triggers that may cause the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent to appear intermittently?

Yes, loose or corroded electrical connections, as well as temperature-related issues in the ignition system, can sometimes trigger intermittent occurrences of this fault code.

7. What are some preventive maintenance tips to avoid triggering the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

Regularly inspecting the ignition system components for wear and tear, ensuring all electrical connections are secure, and following the manufacturer's recommended maintenance schedule can help prevent this issue.

8. Can the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent be related to other engine performance issues?

Yes, a malfunction in the ignition system can potentially cause related engine performance issues such as misfiring, poor fuel efficiency, or rough idling.

9. Is it safe to continue driving with the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent present?

It is not recommended to drive the vehicle with this fault code active, as it can lead to unpredictable engine behavior and potential safety hazards on the road.

10. How much can I expect to pay for repairs related to the OBDII code B218B RAM Ignition Run/Start 1 Control Circuit Overcurrent?

The cost of repairs can vary depending on the extent of the issue and the specific components that need to be replaced. It's advisable to obtain quotes from reputable mechanics or service centers for an accurate estimate.