AutoCodes – RAM – B221E RAM

B221E RAM Code - Radio Unit Internal

Quick Answer

The Radio Unit sets the Diagnostic Trouble Code (DTC) when it detects an internal failure. Common causes include Faulty Radio Unit, Radio Unit harness is open or shorted, Radio Unit 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: B221E RAM indicates Radio Unit Internal.
Common causes: Common causes include Faulty Radio Unit, Radio Unit harness is open or shorted, Radio Unit 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 761

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 Oct 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B221E RAM Description

The Radio Unit sets the Diagnostic Trouble Code (DTC) when it detects an internal failure.

OBDII Code B221E RAM - Radio Unit Internal - AutoCodes.com — B221E RAM Code - Radio Unit Internal

What does this mean?

What are the Possible Causes of the DTC B221E RAM?

Faulty Radio Unit
Radio Unit harness is open or shorted
Radio Unit circuit poor electrical connection

How to Fix the DTC B221E 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 B221E 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 B221E RAM code?

Need more information on how to fix the B221E RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B221E 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 B221E RAM Code

1. What does OBDII code B221E in a RAM vehicle mean?

Code B221E indicates an internal fault within the radio unit of your RAM vehicle, typically pointing to a hardware or communication issue.

2. What are the symptoms of code B221E in a RAM?

Common symptoms include the radio not powering on, unresponsive buttons, distorted audio, or intermittent functionality of the infotainment system.

3. What causes code B221E to appear in a RAM vehicle?

This code is usually caused by internal hardware failure in the radio unit, software corruption, or issues with the power or communication connections.

4. Can code B221E affect other systems in the vehicle?

Yes, it may impact systems that rely on the radio unit for connectivity, such as Bluetooth, navigation, or hands-free phone features.

5. How do you diagnose code B221E in a RAM vehicle?

Start by scanning for codes using an OBDII scanner, inspect the radio unit's connections and wiring, and perform a system reset or firmware update if necessary.

6. Can you clear code B221E without repairing the radio unit?

Clearing the code without addressing the underlying issue may temporarily remove the code, but the problem will likely return.

7. Can a software update fix code B221E in a RAM vehicle?

In some cases, a software update can resolve the issue if the fault is related to corrupted firmware rather than hardware failure.

8. Do you need to replace the radio unit to fix code B221E?

If the issue is due to internal hardware failure, replacing the radio unit may be necessary. However, check all other possible causes before replacing it.

9. Is code B221E covered under warranty for a RAM vehicle?

If your vehicle is under warranty and the radio issue is a manufacturing defect, the repair or replacement may be covered. Check with your dealer for details.

10. How much does it cost to repair a radio unit for code B221E?

Repair costs vary depending on whether the unit requires a software update, minor repairs, or full replacement. Replacement costs can range from $300 to $1,000 or more, including labor.