What causes a P1214 code?

P1214 can be triggered by several issues — see the verified probable causes and step-by-step diagnostics shared by mechanics and owners on OBDIY.

Can I drive with a P1214 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1214 active.

Follow the step-by-step diagnostic on this page, then read the verified fixes contributed by other Heavy Truck owners — the answer marked "Verified Cause" worked for the original poster.

OBDIY

OBD-II

P1214

Cylinder 6: Injector needle valve short circuit across injector

What it means

The ECM has detected a short circuit condition within the electrical circuit of the #6 fuel injector, specifically an unexpected continuity across the solenoid pins indicating a lack of resistance.