B1442 Air inlet damper control servo circuit fault. The fresh and recirculation damper does not answer the A/C amplifier
What does B1442 mean on a Toyota?
B1442. Air inlet damper control servo circuit fault. The fresh and recirculation damper does not answer the A/C amplifier. This Toyota-enhanced code applies to Toyota, Lexus and Scion models that use this code.
Common causes of B1442
- Failed air inlet damper servomotor
- Open or short in the damper servo circuit
- Loose or corroded servo connector
- Damaged servo harness
- Binding or stuck air inlet damper door
How to fix B1442
- Confirm the code and run the A/C servo check
- Inspect and reseat the air inlet servo connector
- Test the servo circuit and position signal
- Check the damper door for binding
- Replace the servo only after tests fail