What causes a P0758 code?

P0758 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 P0758 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P0758 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

P0758

Shift Solenoid B Electrical Performance Error

What it means

The Engine Control Module or Transmission Control Module has detected an open circuit, short to ground, or electrical failure in the Shift Solenoid B circuit.