AutoCodes – Generic – B15B3

B15B3 Code - Radio Tuner Malfunction

Quick Answer

The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Radio and Display Receiver Assembly (or Navigation Receiver Assembly). Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver Assembly 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: B15B3 indicates Radio Tuner Malfunction.
Common causes: Common causes include Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly), Radio and Display Receiver Assembly harness is open or shorted, Radio and Display Receiver Assembly 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 1,865

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 Mar 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B15B3 Description

The Diagnostic Trouble Code (DTC) is stored when a malfunction occurs in the Radio and Display Receiver Assembly (or Navigation Receiver Assembly).

OBDII Code B15B3 - Radio Tuner Malfunction - AutoCodes.com — B15B3 Code - Radio Tuner Malfunction

What does this mean?

What are the Possible Causes of the DTC B15B3?

Faulty Radio and Display Receiver Assembly (or Navigation Receiver Assembly)
Radio and Display Receiver Assembly harness is open or shorted
Radio and Display Receiver Assembly circuit poor electrical connection

How to Fix the DTC B15B3?

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 B15B3 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 B15B3 code?

Need more information on how to fix the B15B3 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B15B3 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B15B3 Lexus — Radio Tuner Malfunction
B15B3 Scion — Radio Tuner Malfunction
B15B3 Toyota — Radio Tuner Malfunction

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 B15B3 Code

1. What does the OBDII code B15B3 mean?

The B15B3 code refers to a "Radio Tuner Malfunction," indicating an issue with the radio tuner in the vehicleâ€™s infotainment system.

2. What are the common symptoms of the B15B3 code?

Symptoms include poor or no radio reception, static or distortion while tuning, and the infotainment system displaying an error message.

3. What causes the B15B3 code to appear?

Causes may include a faulty radio tuner, damaged antenna or wiring, software glitches in the infotainment system, or a blown fuse.

4. Can a loose antenna connection trigger the B15B3 code?

Yes, a loose or damaged antenna connection can disrupt the signal and trigger this code.

5. How do you diagnose the B15B3 code?

Diagnosis involves checking the antenna and wiring for damage, testing the radio tuner module for faults, and scanning the system for related error codes.

6. Can the B15B3 code be fixed with a software update?

In some cases, a software update for the infotainment system can resolve the issue if itâ€™s caused by a software bug.

7. Is it safe to drive with the B15B3 code active?

Yes, this code does not affect vehicle safety or drivability, but it may impair your ability to use radio functions.

8. How much does it cost to repair the B15B3 code?

Repair costs vary, but replacing a faulty radio tuner module can range from $200 to $500, excluding labor.

9. Can clearing the B15B3 code solve the problem?

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

10. What should I do if the B15B3 code persists after repairs?

If the code persists, recheck the antenna connections, inspect the wiring, and consult a professional to ensure the radio tuner module was properly installed or programmed.