What causes a U0600 code?

U0600 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 U0600 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U0600 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

U0600

Network/CAN bus communication code U0600

What it means

Invalid data received from the Fuel Level Sensor Module. The instrument cluster or ECM cannot determine the fuel stage accurately via the network.