Possible causes – Intake Manifold Runner Control (IMRC) harness is open or shorted – Intake Manifold Runner Control (IMRC) circuit poor electrical connection – Faulty Intake Manifold Runner Control (IMRC) actuator– Faulty Engine Control Module (ECM) Symptoms – Engine Light
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1519 Information for specific makes P1519 ACURAP1519 BUICKP1519 CADILLACP1519 CHEVROLETP1519 FORDP1519 GMCP1519 HONDA
P1519 GMC – Throttle Actuator Control (TAC) Module Internal Circuit
P1519 HONDA – Idle Air Control Valve (IACV) Circuit Malfunction
P1519 ACURA – Idle Air Control Valve (IACV) Circuit Failure
P1519 BUICK – Electronic Throttle Module Low Volts Communication Disable
P1519 CADILLAC – Electronic Throttle Module Low Volts Communication Disable
P1519 CHEVROLET – Throttle Actuator Control (TAC) Module Internal Circuit