P0403 OBD Trouble Code

1 result found

P0403 - GM
Type Powertrain - Auxiliary Emission Controls - ISO/SAE Controlled
Description

EGR Solenoid Control Circuit Conditions

Cause

Engine cranking or running, then the PCM detected an electrical fault in the EGR solenoid control circuit during a 20 second period

Try also: https://www.obd-codes.com/p0403