Engine-Codes - Generic - B1443

B1443 - Door Handle Switch Circuit Open

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B1443 Possible Causes

  • Faulty Door Handle Switch
  • Door Handle Switch harness is open or shorted
  • Door Handle Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How do I fix code B1443?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the B1443 code

Labor: 1.0

The cost of diagnosing the B1443 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1443 Meaning

The Body Control Module (BCM) monitors the Door Handle Switch. The BCM sets the OBDII code when the Door Handle Switch is not to factory specifications.

B1443 More Information

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Information for specific makes

  • B1443 LEXUS Air Outlet Damper Control Servomotor Circuit
  • B1443 SCION Air Outlet Damper Control Servomotor Circuit
  • B1443 TOYOTA Air Outlet Damper Control Servomotor Circuit

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