Back to 1999 Lexus SC 300

1999 LEXUS SC 300

3.0L I6RWDAUTOMATICgas
Repairs0Labor504Torque6016Fluid7DTC661Battery0Maintenance0Recalls0
B0625low severityBody

Recirculation Door Actuator Circuit

on 1999 Lexus SC 300 3.0L I6 · RWD

What this code means

Malfunction in the HVAC recirculation door actuator. This door switches between outside air and recirculated cabin air.

Symptoms

  • Cannot switch to recirculation mode
  • Recirculation button unresponsive
  • Outside odors entering cabin in recirc mode
  • Clicking noise near glove box

Common causes

  • Faulty recirc actuator
  • Door binding
  • Actuator gear stripped
  • Wiring issue

Diagnostic steps

  1. Test recirc actuator operation
  2. Check door movement
  3. Inspect actuator gears
  4. Test wiring
  5. Scan HVAC codes

Repair notes

Replace recirculation door actuator.

Other Body codes on this vehicle

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