What causes a SPN 3715 code?

SPN 3715 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 3715 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3715 active.

How do I fix SPN 3715?

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 3715

J1939 SPN 3715 — Body/Chassis parameter

What it means

SPN 3715: Communication Failure with Body/Chassis Controller. This code indicates the ECM is not receiving expected data from the body-side electronics via the J1939 data link.