What causes a U0768 code?

U0768 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 U0768 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0768 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

U0768

Network/CAN bus communication code U0768

What it means

Lost communication with the Front Obstacle Detection Module. This usually refers to the forward-facing radar used for emergency braking.