AutoCodes – Jeep – B16B5 Jeep

B16B5 Jeep Code - Right Stop Lamp Control Circuit High

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: B16B5 Jeep indicates Right Stop Lamp Control Circuit High.
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 4,725

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
Cost to Diagnose
FAQs
Comments
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Code B16B5 Jeep 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 B16B5 Jeep - Right Stop Lamp Control Circuit High - AutoCodes.com — B16B5 Jeep Code - Right Stop Lamp Control Circuit High

What does this mean?

What are the Possible Causes of the DTC B16B5 Jeep?

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 B16B5 Jeep?

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 B16B5 Jeep 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 B16B5 Jeep code?

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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 B16B5 Jeep Code

1. What does the OBDII code B16B5 mean on a Jeep?

The code B16B5 indicates a problem with the right stop lamp control circuit, specifically that it is experiencing a high voltage condition.

2. What are the common symptoms of the B16B5 code?

Symptoms include the right stop lamp not working, a warning light on the dashboard, or intermittent issues with brake light functionality.

3. What causes the B16B5 code to appear?

This code is typically caused by a short circuit, damaged wiring, a faulty bulb, or a malfunctioning brake light control module.

4. Can I still drive my Jeep with the B16B5 code?

Yes, you can drive, but it is not recommended as a non-functioning brake light can pose a safety hazard and may lead to traffic violations.

5. How do I diagnose the B16B5 code?

Start by inspecting the right stop lamp bulb, wiring, and connections for damage or corrosion. Use a multimeter to check for proper voltage and continuity.

6. How can I fix the B16B5 code on my Jeep?

Repair or replace any damaged wiring, connectors, or the stop lamp bulb. If the issue persists, the brake light control module may need to be checked or replaced.

7. Can a blown fuse cause the B16B5 code?

Yes, a blown fuse connected to the brake light circuit can contribute to this code, so inspect and replace any blown fuses as needed.

8. What tools are needed to fix the B16B5 code?

Youâ€™ll need a multimeter, basic hand tools, replacement bulbs or wiring if necessary, and possibly a scan tool to clear the code after repairs.

9. Will replacing the bulb fix the B16B5 code?

If the bulb is faulty or burned out, replacing it may resolve the issue. However, additional diagnosis is needed if the code persists.

10. Do I need a professional to repair the B16B5 code?

While minor repairs like replacing a bulb or fixing wiring can be done at home, a professional mechanic may be needed for more complex electrical diagnostics.