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2006 LEXUS GS 430
4.3L V8•RWD•AUTOMATIC•gas
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Repairs0Labor478Torque2122Fluid8DTC1846Battery1Maintenance0Recalls0
P0587low severityPowertrain

Cruise Control Vent Control Circuit Low

on 2006 Lexus GS 430 4.3L V8 · RWD

What this code means

The cruise control vent control circuit voltage is lower than expected. The cruise control vacuum system may not vent correctly.

Symptoms

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

Common causes

  • Shorted vent control wiring to ground
  • Faulty vent solenoid
  • Corroded connector
  • Faulty PCM

Diagnostic steps

  1. Scan for related codes
  2. Measure vent control circuit voltage
  3. Inspect wiring for shorts to ground
  4. Test vent solenoid
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