What causes a SPN 3057 code?

SPN 3057 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 3057 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 3057 active.

How do I fix SPN 3057?

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 3057

SPN 3057 Exhaust Gas Oxygen Sensor Interface

What it means

Indicates a communication or signal validity issue with the Wideband Exhaust Gas Oxygen (UEGO) sensor, typically related to the sensor controller or heater circuit.