What causes B1446 on a Toyota?

Failed air mix damper servomotor driver side Open or short in the damper servo circuit Loose or corroded servo connector Damaged servo harness Binding or stuck air mix damper door

How do I fix B1446 on a Toyota?

Confirm the code and run the A/C servo check Inspect and reseat the driver air mix servo connector Test the servo circuit and position signal Check the damper door for binding Replace the servo only after tests fail

B1446 Air mix damper servo circuit fault on the driver side. The servo position signal to the A/C amplifier is out of range

Q: What does B1446 mean on a Toyota?

B1446. Air mix damper servo circuit fault on the driver side. The servo position signal to the A/C amplifier is out of range. Applies to Toyota, Lexus and Scion models that use this code.

Category: Body
Severity: Body Warning Light
Applies to: Toyota, Lexus and Scion models that use this code

What does B1446 mean on a Toyota?

B1446. Air mix damper servo circuit fault on the driver side. The servo position signal to the A/C amplifier is out of range. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.

Common causes of B1446

Failed air mix damper servomotor driver side
Open or short in the damper servo circuit
Loose or corroded servo connector
Damaged servo harness
Binding or stuck air mix damper door

How to fix B1446

Confirm the code and run the A/C servo check
Inspect and reseat the driver air mix servo connector
Test the servo circuit and position signal
Check the damper door for binding
Replace the servo only after tests fail