What causes a U0344 code?

U0344 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 U0344 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0344 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

U0344

Software Incompatibility with Parking Assist Module A

What it means

The parking assist control module software version is not compatible with the vehicle network. This may disable backup sensors or cameras.