AutoCodes – Generic – B221E

B221E 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 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 5,067

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 Description

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

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

What does this mean?

What are the Possible Causes of the DTC B221E?

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

How to Fix the DTC B221E?

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 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 code?

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

Need Help with the Code?

Get the B221E code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B221E Chrysler — Radio Unit Internal
B221E Dodge — Radio Unit Internal
B221E Jeep — Radio Unit Internal
B221E RAM — Radio Unit Internal

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 Code

1. What are the common symptoms of OBDII code B221E (Radio Unit Internal)?

The common symptoms of OBDII code B221E include radio unit malfunctions such as no sound, display issues, and unresponsive controls.

2. What causes the OBDII code B221E (Radio Unit Internal) to trigger?

The B221E code is typically triggered by internal faults within the radio unit, such as circuit board defects or software malfunctions.

3. How can I diagnose the OBDII code B221E (Radio Unit Internal)?

Diagnosing the B221E code involves using a scan tool to retrieve the code, checking the radio unit for physical damage, and conducting further testing to identify the specific issue.

4. Can a DIY enthusiast repair the OBDII code B221E (Radio Unit Internal)?

Repairing the B221E code may require technical knowledge and specialized tools. It is recommended to consult a professional or authorized service center for proper diagnosis and repair.

5. Are there any quick fixes for the OBDII code B221E (Radio Unit Internal)?

Quick fixes such as disconnecting the car battery to reset the radio unit may temporarily resolve the issue, but a permanent solution will likely require professional intervention.

6. How much does it cost to repair the OBDII code B221E (Radio Unit Internal)?

The cost of repairing the B221E code can vary depending on the extent of the issue, parts needed, and labor costs. It is advisable to obtain quotes from different repair shops.

7. Can the OBDII code B221E (Radio Unit Internal) cause other problems in the vehicle?

While the B221E code specifically relates to the radio unit, unresolved internal issues could potentially affect other electrical components in the vehicle over time.

8. Is it safe to continue driving with the OBDII code B221E (Radio Unit Internal) unresolved?

Driving with the B221E code unresolved may not pose immediate safety risks, but it can lead to inconvenience and potential malfunctions in the radio unit while on the road.

9. How long does it take to repair the OBDII code B221E (Radio Unit Internal)?

The repair time for the B221E code can vary depending on the complexity of the issue and the availability of replacement parts. It is advisable to inquire with the repair shop for an estimate.

10. Can the OBDII code B221E (Radio Unit Internal) be prevented in the future?

Regular maintenance checks, avoiding water damage to the radio unit, and ensuring proper electrical connections can help prevent the occurrence of the B221E code in the future.