AutoCodes – Generic – B16CF

B16CF 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 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.

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Code Popularity 3,380

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

What does this mean?

What are the Possible Causes of the DTC B16CF?

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?

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 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 code?

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

Need Help with the Code?

Get the B16CF code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B16CF Chrysler — Left DRL Lamp Control Circuit
B16CF Dodge — Left DRL Lamp Control Circuit
B16CF Jeep — Left DRL Lamp Control Circuit
B16CF RAM — Left DRL Lamp Control Circuit

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 Code

1. What are the common symptoms of OBDII code B16CF (Left DRL Lamp Control Circuit)?

- The common symptoms include the left daytime running light (DRL) not functioning, flickering, or remaining dim.

2. What are the possible causes of the B16CF code triggering?

- The code can be triggered by issues such as a faulty DRL bulb, damaged wiring or connectors, a defective DRL control module, or a blown fuse.

3. How can I diagnose the B16CF code related to the Left DRL Lamp Control Circuit?

- You can start by visually inspecting the DRL bulb, wiring, and connectors for any visible damage. Using a multimeter to check for continuity and voltage can help pinpoint the exact issue.

4. Can I repair the B16CF code issue myself?

- Depending on the cause, you may be able to repair the issue yourself by replacing a faulty bulb, repairing damaged wiring, or replacing a defective DRL control module. However, complex electrical issues may require professional assistance.

5. Is it safe to drive with the B16CF code activated?

- It is generally safe to drive with the B16CF code, but you should address the issue promptly to ensure proper visibility and safety on the road, especially during low light conditions.

6. How do I reset the B16CF code after making repairs?

- After resolving the underlying issue causing the B16CF code, you can reset it using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the code.

7. Can extreme weather conditions cause the B16CF code to trigger?

- Yes, extreme weather conditions such as heavy rain or snow can sometimes lead to water damage in the DRL system, causing the B16CF code to trigger.

8. Are there any preventive measures to avoid the B16CF code from recurring?

- Regularly inspecting the DRL system for any signs of damage, replacing bulbs at recommended intervals, and ensuring proper wiring connections can help prevent the B16CF code from recurring.

9. Will the B16CF code affect other electrical components in the vehicle?

- The B16CF code specifically relates to the Left DRL Lamp Control Circuit and should not directly affect other electrical components, but it's essential to address the issue promptly to prevent further electrical problems.

10. How long does it typically take to repair the B16CF code issue?

- The repair time for the B16CF code can vary depending on the specific cause of the issue. Simple fixes like replacing a bulb can be done quickly, while more complex wiring or module replacements may take longer and require professional help.