AutoCodes – RAM – B163D RAM

B163D RAM Code - Front Left Turn Control Circuit Open

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
B163D RAM indicates Front Left Turn Control Circuit Open.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 759
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 28, 2019
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Code B163D 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 B163D RAM - Front Left Turn Control Circuit Open - AutoCodes.com
B163D RAM Code - Front Left Turn Control Circuit Open

What are the Possible Causes of the DTC B163D 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 B163D 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 B163D 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 B163D RAM Code

1. What are the common symptoms of OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- Common symptoms include the front left turn signal not working, rapid blinking of the turn signal, or the turn signal staying on continuously.

2. What are the possible causes of the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- Possible causes include a faulty turn signal bulb, a problem with the turn signal switch, a damaged wiring harness, or a malfunctioning turn signal relay.

3. How can I diagnose the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- To diagnose this code, you can start by visually inspecting the front left turn signal bulb, checking the turn signal switch for proper operation, and testing the wiring harness for continuity.

4. Can a blown fuse cause the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- Yes, a blown fuse in the turn signal circuit can also trigger this code. Check the fuse box for any blown fuses related to the turn signals.

5. What are some repair tips for fixing the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- Begin by replacing the front left turn signal bulb with a new one. If the issue persists, test the turn signal switch and wiring for faults, and replace or repair any damaged components.

6. Is it safe to continue driving with the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- It is not recommended to drive with this code active, as it can affect the visibility of your vehicle to other drivers. Promptly address the issue to ensure safe driving conditions.

7. Can a DIY enthusiast repair the OBDII code B163D RAM - Front Left Turn Control Circuit Open?

- Depending on your skill level and access to tools, you may be able to address this code yourself by following repair guides and using basic electrical testing equipment.

8. How much does it typically cost to repair the OBDII code B163D RAM - Front Left Turn Control Circuit Open at a mechanic?

- The cost of repair can vary depending on the underlying issue, but it may range from $50 for a bulb replacement to $200 or more for more complex repairs involving the wiring harness or switch.

9. Will resetting the OBDII system clear the B163D RAM code for the Front Left Turn Control Circuit Open?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the fault again.

10. How can I prevent the OBDII code B163D RAM - Front Left Turn Control Circuit Open from recurring in the future?

- Regularly inspect and maintain your vehicle's turn signal system, including checking the bulbs, wiring, and switches, to prevent issues that could trigger this code.

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