What causes a P1853 code?

P1853 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 P1853 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1853 active.

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

OBD-II

P1853

Upstream NOx sensor info-related data out of range fault

What it means

The engine control module (ECM) has detected that the signals from the Inlet (Upstream) NOx sensor are not within expected physiological or programmed operating parameters, indicating the sensor is reporting implausible data.