AutoCodes – RAM – B16B3 RAM

B16B3 RAM 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 RAM 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 1,215

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

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

What does this mean?

What are the Possible Causes of the DTC B16B3 RAM?

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 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 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 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 B16B3 RAM code?

Need more information on how to fix the B16B3 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B16B3 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 B16B3 RAM Code

1. What are the common symptoms of OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- Common symptoms include the right stop lamp not functioning properly, the stop lamp staying on constantly, or a warning light on the dashboard.

2. What are the possible causes of OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- Possible causes include a faulty right stop lamp bulb, a damaged wiring harness, a faulty stop lamp switch, or a problem with the body control module.

3. How can I diagnose OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- You can start by visually inspecting the right stop lamp bulb and its connections. Check the wiring for any signs of damage or corrosion. Use a multimeter to test the stop lamp switch and the circuit for continuity.

4. Can a bad brake light switch cause OBDII code B16B3 RAM to appear?

- Yes, a faulty stop lamp switch can trigger this OBDII code. If the switch fails to activate the right stop lamp, the system will detect a fault and generate the code.

5. How can I repair OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- Repair options include replacing the right stop lamp bulb, repairing or replacing damaged wiring, replacing the stop lamp switch, or addressing any issues with the body control module.

6. Will OBDII code B16B3 RAM prevent my vehicle from passing a state inspection?

- Depending on your location, a non-functioning right stop lamp may cause your vehicle to fail a state inspection. It's important to address this code promptly to ensure compliance.

7. Is it safe to continue driving with OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- While it may be safe to drive, it's crucial to address any lighting issues promptly to maintain visibility and comply with traffic regulations. Repairing the code will ensure the proper functioning of your brake lights.

8. Can weather conditions affect the appearance of OBDII code B16B3 RAM?

- Extreme weather conditions can potentially damage wiring or affect the operation of the right stop lamp, leading to the appearance of this OBDII code. Regular maintenance can help prevent weather-related issues.

9. Are there any DIY solutions for fixing OBDII code B16B3 RAM?

- If you have the necessary tools and skills, you may be able to address this code yourself by checking and replacing the right stop lamp bulb, inspecting and repairing wiring, or replacing the stop lamp switch.

10. How long does it typically take to repair OBDII code B16B3 RAM for the Right Stop Lamp Control Circuit?

- The repair time can vary depending on the specific cause of the code. Simple fixes like replacing a bulb can be done quickly, while more complex issues like wiring repairs may take longer.