What causes a SPN 2103 code?

SPN 2103 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 2103 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 2103 active.

How do I fix SPN 2103?

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

J1939 SPN

SPN 2103

Transmission Fluid Level Information Invalid

What it means

The transmitted data for oil level from the TCM is reporting an error state.

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

Log in Sign up free