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AutoCodes - Generic - B163D

B163D Code - Front Left Turn Control Circuit Open

- Code Popularity: 982 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC B163D?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • 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)
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How to Fix the DTC B163D?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B163D code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code B163D 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 - Front Left Turn Control Circuit Open - AutoCodes.com
B163D Code - Front Left Turn Control Circuit Open

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