P1550 — Intake Manifold Runner Control (Bank 1) Stuck Open

What it means

P1550 is an OBD-II diagnostic trouble code: Intake Manifold Runner Control (Bank 1) Stuck Open.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.