P1509 Idle Control System Circuit Shorted
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1509 Information for specific makes P1509 BUICKP1509 CADILLACP1509 CHEVROLETP1509 DODGEP1509 GMCP1509 HONDAP1509 HYUNDAI
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1509 Information for specific makes P1509 BUICKP1509 CADILLACP1509 CHEVROLETP1509 DODGEP1509 GMCP1509 HONDAP1509 HYUNDAI
P1509 CADILLAC – IAC System High RPM
P1509 CHEVROLET – Idle Speed High – Idle Air Control (IAC) System Not Responding
P1509 DODGE – Leak Detection Pump Switch or Mechanical Fault
P1509 GMC – Idle Speed High – Idle Air Control (IAC) System Not Responding
P1509 HONDA – Idle Air Control Valve (IACV) Circuit Failure
P1509 HYUNDAI – MPS – High
P1509 BUICK – IAC System High RPM