Back to 2005 Lexus ES 330

2005 LEXUS ES 330

3.3L V6FWDAUTOMATICgas
Repairs0Labor470Torque3642Fluid6DTC824Battery0Maintenance0Recalls0
P0403moderate severityPowertrain

EGR Control Circuit

on 2005 Lexus ES 330 3.3L V6 · FWD

What this code means

Malfunction in the EGR valve control circuit (electrical EGR valves).

Symptoms

  • Check Engine Light
  • EGR not functioning
  • Increased emissions

Common causes

  • Faulty EGR valve
  • Wiring damage
  • PCM driver failure
  • Corroded connector

Diagnostic steps

  1. Test EGR valve solenoid resistance
  2. Check wiring
  3. Command EGR with scan tool
  4. Test PCM output

Repair notes

Replace EGR valve or repair wiring.

Other Powertrain codes on this vehicle

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