What causes a SPN 3760 code?

SPN 3760 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 3760 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3760 active.

How do I fix SPN 3760?

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 3760

J1939 SPN 3760 — Body/Chassis parameter

What it means

The SPN 3760 indicates a configuration or communication error regarding Body/Chassis parameters transmitted over the J1939 network. This usually means the ECM is expecting specific body data (like PTO status, outrigger position, or lift signals) that is missing or invalid.