AutoCodes – RAM – B16FB RAM

B16FB RAM Code - Front Right Fog Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) receives the input from the headlamp switch requesting fog lamp illumination. Common causes include Faulty Right Front Fog Lamp, Right Front Fog Lamp harness is open or shorted, Right Front Fog 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: B16FB RAM indicates Front Right Fog Lamp Control Circuit.
Common causes: Common causes include Faulty Right Front Fog Lamp, Right Front Fog Lamp harness is open or shorted, Right Front Fog 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.

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Code Popularity 2,199

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 B16FB RAM Description

The Body Control Module (BCM) receives the input from the headlamp switch requesting fog lamp illumination. The BCM provides a pulse width modulated (PWM) voltage output through the fog lamp driver circuit, which connects to the Fog Lamp. A ground path for the lamps is present through the harness to the body sheet metal. For additional information on the Fog Lamp operation. When the Body Control Module (BCM) detects a low condition on the Right Front Fog Lamp Driver circuit sets the Diagnostic Trouble Code (DTC).

OBDII Code B16FB RAM - Front Right Fog Lamp Control Circuit - AutoCodes.com — B16FB RAM Code - Front Right Fog Lamp Control Circuit

What does this mean?

What are the Possible Causes of the DTC B16FB RAM?

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

How to Fix the DTC B16FB 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

B16F7-11 FRONT RIGHT FOG LAMP CONTROL CIRCUIT SHORT TO GROUND
B16F7-15 FRONT RIGHT FOG LAMP CONTROL CIRCUIT SHORT TO BATTERY OR OPEN

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B16FB 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 B16FB RAM Code

1. What are common symptoms of OBDII code B16FB RAM related to the Front Right Fog Lamp Control Circuit?

- Common symptoms include the front right fog lamp not turning on, flickering, or staying on constantly.

2. What are some possible causes of OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit?

- Possible causes include a faulty fog lamp, damaged wiring or connectors, a defective fog lamp switch, or a problem with the control module.

3. How can I diagnose the issue triggering OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit?

- You can start by visually inspecting the fog lamp, wiring, and connectors for any obvious damage. Using a multimeter to check for continuity and voltage can help pinpoint the issue.

4. What are some repair tips for addressing OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit?

- Repair tips may include replacing the fog lamp, repairing damaged wiring or connectors, checking and resetting the control module, and ensuring proper fog lamp switch operation.

5. Can I reset OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit using a diagnostic tool?

- Yes, a diagnostic tool can be used to clear the code after the underlying issue has been diagnosed and resolved.

6. Is it safe to continue driving with OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit active?

- It is generally safe to drive with this code, but it's important to address the issue promptly to ensure proper visibility and compliance with road regulations.

7. Will fixing OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit improve vehicle performance?

- Fixing this code will not directly impact vehicle performance, but it is essential for maintaining proper lighting functionality and ensuring safety on the road.

8. Can extreme weather conditions trigger OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit?

- Yes, extreme weather conditions like heavy rain, snow, or extreme temperatures can potentially damage fog lamps or affect the circuit, leading to this fault code.

9. How long does it typically take to repair OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Are there any preventive maintenance measures I can take to avoid OBDII code B16FB RAM for the Front Right Fog Lamp Control Circuit in the future?

- Regularly inspecting and maintaining fog lamps, wiring, and connectors, as well as using high-quality replacement parts, can help prevent recurrence of this fault code.