What causes a P1058 code?

P1058 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 P1058 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1058 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

P1058

APSPD Boost air pressure lo fault

What it means

Air Pressure Sensor Pressure Deviation (APSPD) Boost Air Pressure Low Fault. This indicates the ECM is detecting lower boost pressure than expected for the current engine load and speed.