What causes a P0230 code?

P0230 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 P0230 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P0230 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

P0230

P0230 Fuel Pump Primary Circuit Malfunction

What it means

The Engine Control Module (ECM) has detected a voltage out of range or a continuity issue on the primary control circuit for the electric fuel lift pump or fuel transfer pump.