P0312

Cylinder 12 Misfire Detected

Powertrain Code · High

What does P0312 mean?

Misfire detected in cylinder 12.

System: Ignition

P0312 is a powertrain diagnostic trouble code indicating cylinder 12 misfire detected. This code is classified as high severity, which means: address soon — may cause further damage.

Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your vehicle.