P1122 — Engine Coolant Sensor intermittent/ECT Sensor Intermittent

What it means

P1122 is an OBD-II diagnostic trouble code: Engine Coolant Sensor intermittent/ECT Sensor Intermittent.

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.