AutoCodes – Dodge – B163C Dodge

B163C Dodge 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 Dodge 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 4,124
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 Dodge 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 Dodge - Front Left Turn Control Circuit High - AutoCodes.com
B163C Dodge Code - Front Left Turn Control Circuit High

What are the Possible Causes of the DTC B163C Dodge?

  • 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 Dodge?

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 Dodge 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 Dodge Code

1. What does the OBDII code B163C mean on a Dodge?

The B163C code indicates a problem with the front left turn signal control circuit, specifically a high voltage condition.

2. What are the common symptoms of the B163C code?

Symptoms include the front left turn signal not working, hyper-flashing, or a warning light on the dashboard.

3. What causes the B163C code to appear?

Common causes include a faulty bulb, a damaged wiring harness, a poor ground connection, or a malfunctioning turn signal module.

4. Can a blown bulb cause the B163C code?

Yes, a blown or incorrect turn signal bulb can trigger this code due to an open or high-resistance circuit.

5. How do I diagnose the B163C code on my Dodge?

Start by inspecting the front left turn signal bulb and socket, then check the wiring for damage or corrosion. Use a multimeter to test for proper voltage and continuity.

6. Can a faulty turn signal switch cause the B163C code?

While less common, a defective turn signal switch can contribute to control circuit issues and trigger this code.

7. How do I fix the B163C code on my Dodge?

Replace the faulty bulb or socket, repair damaged wiring, ensure proper grounding, or replace the turn signal control module if necessary.

8. Can I drive my Dodge with the B163C code active?

It is not recommended, as the front left turn signal may not function properly, creating a safety hazard.

9. How much does it cost to fix the B163C code?

Repair costs can vary, but replacing a bulb or repairing wiring typically costs $50-$200, while replacing a control module may cost more.

10. Can a bad fuse cause the B163C code?

Yes, a blown or loose fuse related to the turn signal circuit can lead to this code, so always check the fuse box during diagnosis.

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