AutoCodes – Dodge – B16B3 Dodge

B16B3 Dodge Code - Right Stop Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. Common causes include Faulty Right Stop Lamp, Right Stop Lamp harness is open or shorted, Right Stop Lamp 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: B16B3 Dodge indicates Right Stop Lamp Control Circuit.
Common causes: Common causes include Faulty Right Stop Lamp, Right Stop Lamp harness is open or shorted, Right Stop Lamp 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 2,009

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 Jun 23, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B16B3 Dodge Description

The Body Control Module (BCM) receives a hardwired brake signal from the Anti-lock Brake System (ABS) module indicating that the Brake Pedal is applied. When this signal is received, the BCM provides a voltage output through the rear stop signal control circuit. For additional information on the Brake Lamp operation. When the Body Control Module (BCM) detects a low or high condition on the Right Stop Lamp Driver circuit and sets the Diagnostic Trouble Code (DTC).

OBDII Code B16B3 Dodge - Right Stop Lamp Control Circuit - AutoCodes.com — B16B3 Dodge Code - Right Stop Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B16B3 Dodge?

Faulty Right Stop Lamp
Right Stop Lamp harness is open or shorted
Right Stop Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B16B3 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 does this mean?

Code Tech Notes

B16AF-11 RIGHT STOP LAMP CONTROL CIRCUIT SHORT TO GROUND
B16AF-15 RIGHT STOP LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16B3 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 B16B3 Dodge Code

1. What does the OBDII code B16B3 mean on a Dodge vehicle?

The B16B3 code indicates a problem with the right stop lamp control circuit, meaning the vehicle's system has detected an issue with the electrical circuit controlling the right brake light.

2. What are the common symptoms of code B16B3?

The most common symptom is the right brake light not working. You may also notice a warning light on the dashboard or receive complaints from other drivers about your brake lights.

3. What causes the B16B3 code to trigger?

Common causes include a burned-out brake light bulb, damaged wiring or connectors, a faulty brake light socket, or a malfunctioning body control module (BCM).

4. Can a blown fuse cause the B16B3 code?

Yes, a blown fuse related to the brake light circuit can lead to the B16B3 code, as it interrupts the power supply to the right stop lamp.

5. How do I diagnose the B16B3 code?

Start by inspecting the right brake light bulb, fuse, and wiring for damage or corrosion. If these components are fine, use a multimeter to test the circuit and check for faults in the BCM.

6. Can I drive with the B16B3 code active?

Itâ€™s not recommended to drive with this code active because the right brake light may not function, increasing the risk of accidents due to reduced visibility to other drivers.

7. How do I fix the B16B3 code on my Dodge?

Common fixes include replacing a burned-out bulb, repairing damaged wiring, cleaning or replacing corroded connectors, or resetting/repairing the BCM if necessary.

8. How much does it cost to fix the B16B3 code?

The cost can range from $10 for a replacement bulb to $200 or more if the issue involves extensive wiring repairs or BCM replacement.

9. Will clearing the code fix the problem?

Clearing the code with an OBDII scanner will remove the warning temporarily, but if the underlying issue isnâ€™t resolved, the code will reappear.

10. Can a bad brake pedal switch cause the B16B3 code?

While uncommon, a faulty brake pedal switch could potentially affect the brake light circuit and trigger related issues, though it usually impacts all brake lights, not just the right one.