AutoCodes – Scion – B1443 Scion

B1443 Scion Code - Air Outlet Damper Control Servomotor Circuit

Quick Answer

This circuit turns the servomotor and changes each mode damper position by the signals from the A/C Control Assembly. Common causes include Faulty Air Outlet Damper Control Servomotor, Air Outlet Damper Control Servomotor harness is open or shorted, Air Outlet Damper Control Servomotor circuit poor electrical connection. 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
B1443 Scion indicates Air Outlet Damper Control Servomotor Circuit.
Common causes
Common causes include Faulty Air Outlet Damper Control Servomotor, Air Outlet Damper Control Servomotor harness is open or shorted, Air Outlet Damper Control Servomotor circuit poor electrical connection.
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.
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Code Popularity 855
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 09, 2019
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Code B1443 Scion Description

This circuit turns the servomotor and changes each mode damper position by the signals from the A/C Control Assembly. When the AUTO switch is on, the A/C control assembly changes the mode automatically between (FACE), (BI-LEVEL) and (FOOT) according to the temperature setting.
OBDII Code B1443 Scion - Air Outlet Damper Control Servomotor Circuit - AutoCodes.com
B1443 Scion Code - Air Outlet Damper Control Servomotor Circuit

What are the Possible Causes of the DTC B1443 Scion?

  • Faulty Air Outlet Damper Control Servomotor
  • Air Outlet Damper Control Servomotor harness is open or shorted
  • Air Outlet Damper Control Servomotor circuit poor electrical connection
  • Faulty A/C Control Assembly

How to Fix the DTC B1443 Scion?

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 B1443 Scion 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 B1443 Scion Code

1. What does the OBDII code B1443 mean on a Scion?

B1443 indicates an issue with the Air Outlet Damper Control Servomotor Circuit, which controls the position of the air outlet dampers in the HVAC system.

2. What are the symptoms of code B1443 in a Scion?

Common symptoms include improper airflow direction from the vents, inability to switch between vent modes, or unusual noises coming from the HVAC system.

3. What causes the B1443 code to trigger?

The code can be caused by a faulty air outlet damper control servomotor, wiring issues like shorts or open circuits, or a malfunctioning HVAC control module.

4. Can a bad HVAC control module cause code B1443?

Yes, if the HVAC control module is not sending the correct signals to the servomotor, it can trigger the B1443 code.

5. How do you diagnose code B1443 in a Scion?

Diagnosis involves checking the servomotor for proper operation, inspecting the wiring and connectors for damage, and testing the HVAC control module for faults.

6. Can I still drive my Scion with a B1443 code?

Yes, you can drive the vehicle, but the HVAC system may not function properly, affecting cabin comfort.

7. How can I fix the B1443 code on my Scion?

Repairs may include replacing the air outlet damper control servomotor, repairing damaged wiring, or replacing the HVAC control module if it's determined to be faulty.

8. How much does it cost to fix the B1443 code?

Repair costs can vary but typically range from $200 to $500, depending on whether the issue is with the servomotor, wiring, or control module.

9. Can I reset the B1443 code without repairs?

You can clear the code with an OBDII scanner, but it will likely return if the underlying issue is not resolved.

10. Does a B1443 code affect air conditioning performance?

The code itself does not affect cooling or heating ability but can prevent airflow from being directed to the desired vents.

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