AutoCodes – RAM – B16B6 RAM

B16B6 RAM Code - Right Stop Lamp Control Circuit Open

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
B16B6 RAM indicates Right Stop Lamp Control Circuit Open.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,373
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 23, 2019
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Code B16B6 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 B16B6 RAM - Right Stop Lamp Control Circuit Open - AutoCodes.com
B16B6 RAM Code - Right Stop Lamp Control Circuit Open

What are the Possible Causes of the DTC B16B6 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 B16B6 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16B6 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.

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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 B16B6 RAM Code

1. What are the common symptoms of OBDII code B16B6 RAM (Right Stop Lamp Control Circuit Open)?

The common symptoms of this code include the right stop lamp not working, the brake light staying on continuously, or a warning light on the dashboard indicating a brake system fault.

2. What causes the OBDII code B16B6 RAM to trigger?

This code is triggered when the right stop lamp control circuit is detected to be open, meaning there is a break or interruption in the electrical circuit that controls the right brake light.

3. How can I diagnose the cause of the Right Stop Lamp Control Circuit Open error code?

You can start by checking the wiring and connections related to the right stop lamp, inspecting the stop lamp bulb, and using a multimeter to test for continuity in the circuit.

4. What are some possible repair tips for resolving the Right Stop Lamp Control Circuit Open issue?

Repair tips may include replacing a faulty stop lamp bulb, repairing damaged wiring or connectors, resetting the error code after fixing the issue, and ensuring proper grounding of the stop lamp circuit.

5. Can driving with the Right Stop Lamp Control Circuit Open code pose any risks?

Driving with this code may pose safety risks as other drivers may not be alerted when you are braking, potentially leading to rear-end collisions. It is recommended to address this issue promptly.

6. Is it possible to clear the OBDII code B16B6 RAM without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is not recommended to do so without addressing the root cause. The issue may persist, and the code will likely reappear.

7. Does the Right Stop Lamp Control Circuit Open code affect other vehicle systems?

This code typically only affects the operation of the right stop lamp. However, in some vehicles, it may be linked to other safety systems, so it's essential to address it promptly.

8. Can extreme weather conditions cause the Right Stop Lamp Control Circuit Open error to occur?

Extreme weather conditions can potentially contribute to wiring or connector damage, which may lead to the circuit being open and trigger the error code. Inspecting these components is advisable.

9. Are there any preventive measures to avoid encountering the Right Stop Lamp Control Circuit Open issue?

Regularly checking and maintaining your vehicle's lighting system, including the stop lamps, can help prevent issues like circuit interruptions that trigger this error code.

10. Should I attempt to repair the Right Stop Lamp Control Circuit Open issue myself or seek professional help?

Depending on your automotive repair skills and knowledge of electrical systems, you may choose to troubleshoot and repair the issue yourself. However, if you are unsure or uncomfortable, seeking assistance from a professional mechanic is recommended.

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