What causes a U0347 code?

U0347 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 U0347 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0347 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

U0347

Software Incompatibility with Steering Column Control Module

What it means

The steering column module software is not recognized by the Gateway. Can result in loss of steering wheel button functions.