Engine-Codes.com
Engine-Codes – Generic – B16AF

B16AF Code - Left Stop Lamp Control Circuit

Quick Answer

The B16AF diagnostic code indicates an issue with the left stop lamp control circuit in the vehicle. Common causes include Damaged or corroded wiring in the left stop lamp circuit, Faulty brake light switch, Defective lamp socket. 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
B16AF indicates Left Stop Lamp Control Circuit.
Common causes
Common causes include Damaged or corroded wiring in the left stop lamp circuit, Faulty brake light switch, Defective lamp socket.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B16AF Description

The B16AF diagnostic code indicates an issue with the left stop lamp control circuit in the vehicle. The stop lamps are an essential safety feature that signals to other drivers when the vehicle is braking. The control circuit is responsible for sending the signal to illuminate the left stop lamp when the brake pedal is pressed. When this circuit malfunctions, it can result in the left stop lamp not functioning properly, which can compromise the visibility of the vehicle to other drivers on the road.

OBDII Code B16AF - Left Stop Lamp Control Circuit
B16AF Code - Left Stop Lamp Control Circuit

Common Causes of B16AF

  1. Damaged or corroded wiring in the left stop lamp circuit
  2. Faulty brake light switch
  3. Defective lamp socket
  4. Malfunctioning stop lamp control module
  5. Loose connections in the left stop lamp circuit

Symptoms of B16AF

  1. Left stop lamp not illuminating when the brake pedal is pressed
  2. Warning light on the dashboard indicating an issue with the stop lamp
  3. Flickering or dim left stop lamp
  4. Left stop lamp staying on continuously
  5. Multiple stop lamp bulbs burning out frequently

How to Fix B16AF

  1. Begin by visually inspecting the left stop lamp and its connections for any visible damage or corrosion.
  2. Test the brake light switch with a multimeter to determine if it is functioning properly.
  3. Check the continuity of the wiring in the left stop lamp circuit to identify any breaks or shorts.
  4. Inspect the lamp socket for any signs of damage or wear and replace if necessary.
  5. If the issue persists, consider replacing the stop lamp control module to address any internal malfunctions.

Cost to Fix B16AF

The cost of repairing the left stop lamp control circuit can vary depending on the specific cause of the issue and the extent of the damage. On average, the parts required for this repair, such as a brake light switch or lamp socket, can range from $20 to $50 each. Labor costs at auto repair shops typically range from $80 to $150 per hour. Therefore, the total repair cost for this issue may fall between $100 to $300, excluding any diagnostic fees or additional parts that may be needed. It is advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model.

What does this mean?

Tech Notes for B16AF

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

Need more information about the B16AF code?

Need more information on how to fix the B16AF code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B16AF code diagnosed by a professional: Find a repair shop in your area

Code B16AF Information for Specific Makes

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 B16AF Code

1. What are the common symptoms of OBDII code B16AF (Left Stop Lamp Control Circuit)?

The common symptoms of OBDII code B16AF include the left stop lamp not illuminating when the brake pedal is pressed, the brake light staying on constantly, or a warning light on the dashboard indicating a brake lamp issue.

2. What are the possible causes of OBDII code B16AF?

Possible causes of OBDII code B16AF include a faulty stop lamp switch, damaged wiring or connectors in the left stop lamp circuit, a defective lamp socket, or a problem with the body control module.

3. How can I diagnose the issue causing OBDII code B16AF?

To diagnose the issue causing OBDII code B16AF, you can start by checking the left stop lamp bulb, inspecting the wiring and connectors for damage, testing the stop lamp switch for proper operation, and scanning the vehicle's computer for any related fault codes.

4. Can I continue driving with OBDII code B16AF present?

It is not recommended to continue driving with OBDII code B16AF present, as it indicates a malfunction in the left stop lamp control circuit, which can affect the visibility of your vehicle to other drivers and compromise safety.

5. How can I repair OBDII code B16AF?

To repair OBDII code B16AF, you may need to replace the faulty stop lamp switch, repair or replace damaged wiring or connectors, fix any issues with the lamp socket, or reprogram the body control module if necessary.

6. Is it possible to reset OBDII code B16AF without fixing the underlying issue?

Resetting OBDII code B16AF without fixing the underlying issue may temporarily turn off the warning light, but the code is likely to reappear if the root cause of the problem is not addressed.

7. Can a DIY enthusiast fix OBDII code B16AF at home?

Depending on your skill level and access to tools, a DIY enthusiast may be able to fix OBDII code B16AF at home by following repair guides, using a multimeter to test components, and making necessary replacements or repairs.

8. Will fixing OBDII code B16AF require professional help?

Fixing OBDII code B16AF may require professional help if the issue is complex, involves reprogramming modules, or if you are unsure about diagnosing or repairing electrical components in the vehicle.

9. How can I prevent OBDII code B16AF from occurring in the future?

To prevent OBDII code B16AF from occurring in the future, you can perform regular inspections of your vehicle's lighting system, replace bulbs at recommended intervals, and address any minor issues before they escalate into larger problems.

10. Is OBDII code B16AF a serious problem?

While OBDII code B16AF is not a critical issue that affects the drivability of the vehicle, it should be addressed promptly to ensure proper brake light functionality and maintain safety on the road.

Discuss the causes and fixes for B16AF OBDII Code

Submit a New Comment

Code B16AF comments

No comments found for this page.