What causes a P1354 code?

P1354 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 P1354 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1354 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

P1354

VGT power supply low fault detected

What it means

The Engine Control Module (ECM) has detected that the voltage supplied to the Variable Geometry Turbocharger (VGT) actuator is below the required threshold for operation.