J1939 SPN 3410 — Body/Chassis parameter

What it means

The J1939 SPN 3410 is a generic parameter identifier for a 'Body/Chassis Signal' error. It indicates that the primary control module (usually the ECM or TCM) is receiving invalid data or has lost communication with the Body Controller or Chassis Module regarding specific operational parameters (like PTO status, lighting, or body-up signals).