What causes a SPN 3095 code?

SPN 3095 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 3095 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3095 active.

How do I fix SPN 3095?

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.

J1939 SPN

SPN 3095

J1939 SPN 3095 — Body/Chassis parameter

What it means

The J1939 SPN 3095 fault indicates a communication or data validity issue regarding Body/Chassis parameters. This is often a 'framer' code indicating that the engine or transmission controller is not receiving expected data from the body builder module (e.g., PTO status, outrigger position, or specialized body signals).