What causes a SPN 1215 code?

SPN 1215 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 1215 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 1215 active.

How do I fix SPN 1215?

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 1215

Traction Control System (TCS) Status

What it means

Reports the operational state of the traction control system. Faults lead to disabled electronic stability control and reduced traction on slick surfaces.