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2017 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs421Labor499Torque4352Fluid8DTC1251Battery1Maintenance0Recalls6
P1403moderate severityPowertrain

EGR Solenoid Circuit

on 2017 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

What this code means

The PCM detects a fault in the EGR control solenoid circuit. This affects the valve's ability to open and close properly.

Symptoms

  • Check engine light on
  • Rough idle
  • Failed emissions test

Common causes

  • Faulty EGR solenoid
  • Damaged solenoid wiring
  • Corroded connector
  • Failed PCM driver

Diagnostic steps

  1. Scan for EGR codes
  2. Test solenoid resistance
  3. Inspect connector and wiring
  4. Check PCM control circuit
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