B16B4 RAM Code - Right Stop Lamp Control Circuit Low
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
- B16B4 RAM indicates Right Stop Lamp Control Circuit Low.
- 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.
Code B16B4 RAM Description
What are the Possible Causes of the DTC B16B4 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 B16B4 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 B16B4 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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Frequently Asked Questions about B16B4 RAM Code
1. What are the common symptoms of OBDII code B16B4 RAM (Right Stop Lamp Control Circuit Low)?
The common symptoms include the right stop lamp not working properly, the brake lights staying on constantly, and the illumination of the check engine light on the dashboard.
2. What are the possible causes of the B16B4 RAM code?
Possible causes of this code include a faulty right stop lamp bulb, a damaged wiring harness to the right stop lamp, a defective stop lamp switch, or a problem with the body control module.
3. How can I diagnose the Right Stop Lamp Control Circuit Low issue?
You can start by visually inspecting the right stop lamp bulb and its connections. Check for any signs of damage or corrosion. Use a multimeter to test the continuity of the wiring and the stop lamp switch. If needed, consult a professional mechanic for further diagnosis.
4. How can I repair the Right Stop Lamp Control Circuit Low problem?
Repair options may include replacing the right stop lamp bulb, repairing or replacing damaged wiring, adjusting or replacing the stop lamp switch, or reprogramming the body control module if necessary.
5. Can I still drive my vehicle with the B16B4 RAM code?
It is not recommended to drive your vehicle with this code, especially if the brake lights are not functioning correctly. This could pose a safety hazard to you and other drivers on the road.
6. Will resetting the check engine light fix the B16B4 RAM code?
Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing the code. It's important to diagnose and repair the problem to prevent it from reoccurring.
7. How much does it typically cost to repair the Right Stop Lamp Control Circuit Low issue?
The cost of repair can vary depending on the specific cause of the problem and the labor rates in your area. Replacing a bulb may be relatively inexpensive, while repairing a wiring harness or replacing a control module can be more costly.
8. Can a DIY enthusiast fix the B16B4 RAM code at home?
Depending on your skill level and access to tools, you may be able to address some aspects of the issue yourself, such as replacing a bulb. However, more complex repairs involving wiring or control modules may require professional assistance.
9. How long does it usually take to repair the Right Stop Lamp Control Circuit Low problem?
The repair time can vary depending on the extent of the issue and the availability of parts. Simple repairs like bulb replacement can be done quickly, while more involved repairs may take a few hours or more.
10. Is the B16B4 RAM code a serious issue?
While this code may not affect the drivability of your vehicle, it is important to address it promptly to ensure the proper functioning of your brake lights, which are essential for safety on the road.
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