AutoCodes – RAM – B163B RAM

B163B RAM Code - Front Left Turn Control Circuit Low

Quick Answer

The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. Common causes include Blown Front Left Park and Turn Signal Bulb, Faulty Front Left Turn Lamp, Front Left Turn Lamp harness is open or shorted. 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: B163B RAM indicates Front Left Turn Control Circuit Low.
Common causes: Common causes include Blown Front Left Park and Turn Signal Bulb, Faulty Front Left Turn Lamp, Front Left Turn Lamp harness is open or shorted.
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 631

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 May 28, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B163B RAM Description

The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. When this bus message is received, the BCM provides a pulsed voltage output through the front turn signal control circuit. The front turn signal control circuit connects to the dual filament Park and Turn Signal Lamp. The same ground circuit is used for both the Park and Turn Signal filaments in a dual filament lamp.

OBDII Code B163B RAM - Front Left Turn Control Circuit Low - AutoCodes.com — B163B RAM Code - Front Left Turn Control Circuit Low

What does this mean?

What are the Possible Causes of the DTC B163B RAM?

Blown Front Left Park and Turn Signal Bulb
Faulty Front Left Turn Lamp
Front Left Turn Lamp harness is open or shorted
Front Left Turn Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B163B 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 B163B 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 B163B RAM Code

1. What are the common symptoms of OBDII code B163B RAM related to the Front Left Turn Control Circuit Low?

- Common symptoms may include malfunctioning left turn signal, rapid blinking of the turn signal, or the turn signal not working at all.

2. What can cause the OBDII code B163B RAM indicating Front Left Turn Control Circuit Low?

- Possible causes include a faulty turn signal bulb, a damaged wiring harness, a defective turn signal switch, or a malfunctioning control module.

3. How can I diagnose the issue triggering code B163B RAM for the Front Left Turn Control Circuit Low?

- Diagnose the issue by visually inspecting the turn signal bulb, checking the wiring for any damage, testing the turn signal switch, and using a diagnostic scanner to read the code.

4. What are the repair options for resolving OBDII code B163B RAM associated with Front Left Turn Control Circuit Low?

- Repair options may involve replacing the turn signal bulb, repairing or replacing damaged wiring, replacing the turn signal switch, or reprogramming the control module if necessary.

5. Can a DIY enthusiast fix the OBDII code B163B RAM for Front Left Turn Control Circuit Low?

- DIY enthusiasts with knowledge of automotive electrical systems can attempt to fix the issue by following repair guides or consulting with a professional if needed.

6. Are there any safety concerns associated with ignoring the OBDII code B163B RAM for Front Left Turn Control Circuit Low?

- Ignoring the code can pose safety risks as other drivers may not be aware of your intentions to turn, potentially leading to accidents or traffic violations.

7. How long does it typically take to repair OBDII code B163B RAM related to Front Left Turn Control Circuit Low?

- 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 fix the problem.

8. Is it necessary to reset the OBDII system after resolving the B163B RAM code for Front Left Turn Control Circuit Low?

- It is recommended to reset the OBDII system after repairing the issue to clear the code and ensure proper functioning of the turn signal system.

9. Can extreme weather conditions affect the triggering of OBDII code B163B RAM for Front Left Turn Control Circuit Low?

- Extreme weather conditions such as heavy rain or extreme cold can potentially damage the wiring or affect the performance of the turn signal system, leading to the code being triggered.

10. Are there any preventive maintenance tips to avoid encountering OBDII code B163B RAM for Front Left Turn Control Circuit Low in the future?

- Regularly inspecting and maintaining the turn signal system, replacing bulbs as needed, and addressing any wiring issues promptly can help prevent the recurrence of this OBDII code.