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2019 LEXUS UX 200
2.0L I4•FWD•AUTOMATIC•gas
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Repairs0Labor476Torque3316Fluid7DTC1942Battery1Maintenance0Recalls0
P0586low severityPowertrain

Cruise Control Vent Control Circuit/Open

on 2019 Lexus UX 200 2.0L I4 · FWD

What this code means

The PCM detects an open or fault in the cruise control vent control circuit. The vacuum system may not release properly, affecting cruise operation.

Symptoms

  • Cruise won't disengage smoothly
  • Cruise inoperative
  • Warning light on

Common causes

  • Open vent control circuit
  • Faulty vent solenoid
  • Damaged wiring or connector
  • Faulty PCM

Diagnostic steps

  1. Scan for related codes
  2. Test vent control circuit continuity
  3. Inspect vent solenoid operation
  4. Check wiring and connectors
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