What causes a U3288 code?

U3288 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 U3288 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with U3288 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

Log in Sign up

OBD-II

U3288

Manufacturer-specific network code U3288

What it means

Manufacturer-specific code indicating a collision or inconsistency between expected and received message IDs on the data link.

Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes

Log in Sign up free