P0374 — Timing Reference High Resolution Signal A Intermittent/Erratic Pulses

What it means

P0374 is an OBD-II diagnostic trouble code: Timing Reference High Resolution Signal A Intermittent/Erratic Pulses.

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.