GMC Sierra 1500 · Diagnostic Trouble Code
P0301 — Cylinder 1 Misfire Detected
Quick overview of P0301 on your GMC Sierra 1500. Read the full diagnosis guide, then find the repair guides for your vehicle below.
Repair guides that fix P0301
General diagnostic information, not a factory service procedure. If you're unsure, have a qualified technician confirm the diagnosis before buying parts.