What causes a SPN 245 code?

SPN 245 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 SPN 245 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 245 active.

How do I fix SPN 245?

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

J1939 SPN

SPN 245

J1939 SPN 245 — Fuel/Air parameter

What it means

Vehicle Speed - Total Vehicle Distance data error. The mileage record on the J1939 network is corrupted or inconsistent across modules.