AutoCodes – RAM – B163C RAM

B163C RAM Code - Front Left Turn Control Circuit High

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
B163C RAM indicates Front Left Turn Control Circuit High.
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 967
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 B163C 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 B163C RAM - Front Left Turn Control Circuit High - AutoCodes.com
B163C RAM Code - Front Left Turn Control Circuit High

What are the Possible Causes of the DTC B163C 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 B163C 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 B163C 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 B163C RAM Code

1. What are common symptoms of OBDII code B163C RAM related to Front Left Turn Control Circuit High?

The common symptoms include the front left turn signal remaining illuminated constantly, regardless of the turn signal operation.

2. What are the possible causes of OBDII code B163C RAM indicating Front Left Turn Control Circuit High?

The code can be triggered by issues such as a faulty turn signal switch, a short circuit in the wiring, a malfunctioning front left turn signal bulb, or a problem with the Body Control Module (BCM).

3. How can I diagnose the Front Left Turn Control Circuit High issue related to code B163C RAM?

You can start by inspecting the front left turn signal bulb for any signs of damage or malfunction, checking the turn signal switch for proper operation, and testing the wiring for any shorts or damage.

4. Can a DIY enthusiast repair the B163C RAM code for Front Left Turn Control Circuit High?

If you have experience working with automotive electrical systems, you may be able to repair the issue by replacing the faulty turn signal switch, repairing any damaged wiring, or replacing the front left turn signal bulb.

5. Is it safe to continue driving with the B163C RAM code indicating Front Left Turn Control Circuit High?

It is not recommended to drive with this issue as it can affect the proper functioning of the turn signal system, potentially leading to safety hazards on the road.

6. How much does it typically cost to repair the B163C RAM code related to Front Left Turn Control Circuit High?

The cost of repair can vary depending on the underlying cause of the issue, but it may range from $50 to $200 for parts and labor.

7. Can weather conditions affect the Front Left Turn Control Circuit High issue triggering the B163C RAM code?

Extreme weather conditions such as heavy rain or snow can potentially exacerbate the issue by causing electrical connections to short out or corrode, leading to the code being triggered.

8. Will resetting the OBDII system clear the B163C RAM code indicating Front Left Turn Control Circuit High?

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 problem again.

9. Are there any preventative measures to avoid the B163C RAM code for Front Left Turn Control Circuit High?

Regularly inspecting and maintaining the turn signal system, including checking the bulbs, wiring, and switch, can help prevent issues that may trigger the B163C RAM code.

10. Can a mechanic use a diagnostic tool to pinpoint the exact cause of the B163C RAM code associated with Front Left Turn Control Circuit High?

Yes, a mechanic can use a diagnostic tool to perform a detailed analysis of the turn signal system, identify the specific cause of the issue, and provide an accurate repair solution.

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