AutoCodes – RAM – B16C3 RAM

B16C3 RAM Code - Front Right Sidemarker Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) receives the input from the headlamp switch requesting park lamp illumination. Common causes include Faulty Front Right Sidemarker Lamp, Front Right Sidemarker Lamp harness is open or shorted, Front Right Sidemarker 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: B16C3 RAM indicates Front Right Sidemarker Lamp Control Circuit.
Common causes: Common causes include Faulty Front Right Sidemarker Lamp, Front Right Sidemarker Lamp harness is open or shorted, Front Right Sidemarker 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 3,165

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 B16C3 RAM Description

The Body Control Module (BCM) receives the input from the headlamp switch requesting park lamp illumination. The BCM provides a Pulse Width Modulated (PWM) voltage output through the front right side marker control circuit. The control circuit connects to the Park Lamps. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Park Lamps operation. When the Body Control Module (BCM) detects a high condition on the (L78) Right Front Side Marker Lamp Driver circuit and sets the Diagnostic Trouble Code (DTC).

OBDII Code B16C3 RAM - Front Right Sidemarker Lamp Control Circuit - AutoCodes.com — B16C3 RAM Code - Front Right Sidemarker Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B16C3 RAM?

Faulty Front Right Sidemarker Lamp
Front Right Sidemarker Lamp harness is open or shorted
Front Right Sidemarker Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B16C3 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

B16C3-11 FRONT RIGHT SIDEMARKER LAMP CONTROL CIRCUIT SHORT TO GROUND
B16C3-15 FRONT RIGHT SIDEMARKER LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16C3 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 B16C3 RAM code?

Need more information on how to fix the B16C3 RAM code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B16C3 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 B16C3 RAM Code

1. What does OBDII code B16C3 indicate?

The code B16C3 signifies an issue with the Front Right Sidemarker Lamp Control Circuit in your vehicle.

2. What are the common symptoms of a B16C3 error code?

Common symptoms may include the front right sidemarker lamp not functioning properly or showing intermittent operation.

3. What are the possible causes of a B16C3 fault code?

Potential causes of a B16C3 code include a faulty sidemarker lamp, damaged wiring or connectors, a defective control module, or a blown fuse related to the circuit.

4. How can I diagnose a B16C3 error code?

To diagnose a B16C3 code, you can start by visually inspecting the front right sidemarker lamp for any visible damage. Check the wiring and connectors for any signs of wear or corrosion. Using a multimeter, test the continuity of the circuit and ensure proper voltage is reaching the lamp.

5. How can I repair a B16C3 fault code?

Repair options for a B16C3 code may involve replacing the front right sidemarker lamp, repairing or replacing damaged wiring or connectors, resetting the control module, or replacing a blown fuse if necessary.

6. Can I drive my vehicle with a B16C3 code?

It is generally safe to drive your vehicle with a B16C3 code, as it pertains to a sidemarker lamp control circuit issue. However, it is recommended to address the problem promptly to ensure proper visibility and compliance with regulations.

7. Will a B16C3 code cause my vehicle to fail an emissions test?

The B16C3 code typically does not affect emissions performance, so it should not cause your vehicle to fail an emissions test. However, it is still important to resolve the issue for overall safety and functionality.

8. How much does it cost to repair a B16C3 error code?

The cost of repairing a B16C3 fault code can vary depending on the specific cause of the issue. Replacing a sidemarker lamp or repairing wiring may be relatively inexpensive, while replacing a control module could be more costly.

9. Can a B16C3 code be reset without repairs?

While you can clear the code using an OBDII scanner, it is not recommended to reset the code without addressing the underlying issue. Resetting the code without repairs may result in the problem persisting and potentially causing safety concerns.

10. How long does it take to fix a B16C3 fault code?

The time required to fix a B16C3 fault code depends on the cause of the issue and the complexity of the repair. Simple fixes like replacing a lamp may take a short time, while diagnosing and repairing wiring issues could be more time-consuming.