AutoCodes – Jeep – B16CF Jeep

B16CF Jeep Code - Left DRL Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) monitors the Left Daytime Running Lights (DRL) Lamp. Common causes include Faulty Left Front Headlamp Assembly, Left Front Headlamp Assembly harness is open or shorted, Left Front Headlamp Assembly 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: B16CF Jeep indicates Left DRL Lamp Control Circuit.
Common causes: Common causes include Faulty Left Front Headlamp Assembly, Left Front Headlamp Assembly harness is open or shorted, Left Front Headlamp Assembly 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 4,569

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 B16CF Jeep Description

The Body Control Module (BCM) monitors the Left Daytime Running Lights (DRL) Lamp. The BCM sets the OBDII code when the Left DRL Lamp is not to factory specifications.

OBDII Code B16CF Jeep - Left DRL Lamp Control Circuit - AutoCodes.com — B16CF Jeep Code - Left DRL Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B16CF Jeep?

Faulty Left Front Headlamp Assembly
Left Front Headlamp Assembly harness is open or shorted
Left Front Headlamp Assembly circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B16CF 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 does this mean?

Code Tech Notes

B16CF-11 LEFT DRL LAMP CONTROL CIRCUIT SHORT TO GROUND
B16CF-15 LEFT DRL LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16CF 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 B16CF Jeep code?

Need more information on how to fix the B16CF Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B16CF Jeep 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 B16CF Jeep Code

1. What are the common symptoms of OBDII code B16CF in a Jeep related to the Left DRL Lamp Control Circuit?

- The common symptoms include the left daytime running lamp (DRL) not functioning, flickering, or staying on constantly.

2. What are the possible causes of OBDII code B16CF in a Jeep?

- The code B16CF is typically triggered by issues such as a faulty DRL lamp, damaged wiring or connectors, or a malfunctioning control module.

3. How can I diagnose the cause of OBDII code B16CF in my Jeep?

- You can start by visually inspecting the left DRL lamp for any visible damage, checking the wiring and connectors for faults, and using a multimeter to test for continuity and voltage.

4. Can a blown fuse cause OBDII code B16CF in a Jeep?

- Yes, a blown fuse in the DRL lamp circuit can also trigger the B16CF code, so it's important to check the fuse as part of the diagnostic process.

5. What are some repair tips for fixing OBDII code B16CF related to the Left DRL Lamp Control Circuit in a Jeep?

- Repair tips include replacing a faulty DRL lamp, repairing or replacing damaged wiring, ensuring all connectors are secure, and resetting the fault code after repairs are completed.

6. Is it safe to continue driving my Jeep with OBDII code B16CF affecting the Left DRL Lamp Control Circuit?

- While the DRL is not essential for the basic operation of the vehicle, it is important for visibility and safety, so it is recommended to address the issue promptly to ensure proper lighting functionality.

7. Can weather conditions affect the Left DRL Lamp Control Circuit and trigger OBDII code B16CF in a Jeep?

- Extreme weather conditions, such as water exposure or extreme temperatures, can potentially damage the DRL lamp or wiring, leading to the triggering of the B16CF fault code.

8. How can I prevent OBDII code B16CF related to the Left DRL Lamp Control Circuit from occurring in my Jeep in the future?

- Regularly inspecting the DRL lamps, ensuring proper wiring protection, and addressing any lighting issues promptly can help prevent the recurrence of the B16CF fault code.

9. Are there any recalls or technical service bulletins related to OBDII code B16CF in Jeep vehicles?

- It's advisable to check with the manufacturer or authorized service centers for any recalls or technical service bulletins related to the B16CF fault code in Jeep vehicles.

10. Can a DIY enthusiast with basic automotive knowledge repair OBDII code B16CF affecting the Left DRL Lamp Control Circuit in a Jeep?

- Depending on the specific cause of the issue, a DIY enthusiast with basic automotive knowledge may be able to diagnose and repair simple issues like replacing a faulty DRL lamp or securing loose connectors. However, more complex wiring or control module problems may require professional assistance.