What causes a SPN 3552 code?

SPN 3552 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 3552 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3552 active.

How do I fix SPN 3552?

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 3552

J1939 SPN 3552 — Body/Chassis parameter

What it means

SPN 3552 refers to an 'Output Device Driver 1' or 'Body/Chassis Component' related error. It typically indicates a communication failure, short circuit, or open circuit in a specific output controlled by the Body Controller for chassis accessories.