Engine-Codes - Lexus - B1446 LEXUS

B1446 LEXUS Code - Air Mix Damper Control Servo Motor Circuit Driver Side

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

|B1446 LEXUS code possible causes

  • Faulty Air Mix Damper Control Servo Motor
  • Air Mix Damper Control Servo Motor harness is open or shorted
  • Air Mix Damper Control Servo Motor circuit poor electrical connection
  • Faulty Air Conditioning Amplifier

|How is the B1446 LEXUS code repair?

Start by checking 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.

|What is the cost to diagnose the B1446 LEXUS code

Labor: 1.0

The cost to diagnose the B1446 LEXUS code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are B1446 LEXUS code possible symptoms?

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

|What is B1446 LEXUS code meaning?

The air mix damper servo sends pulse signals to indicate the damper position to the Air Conditioning Amplifier. The Air Conditioning Amplifier activates the motor (normal or reverse) based on these signals to move the air mix damper (driver seat) to the appropriate position. This adjusts the amount of air passing through the heater core after passing the evaporator and controls the temperature of the blown air.

|Need more information with the B1446 LEXUS code?

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|Need help with a B1446 LEXUS code?

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