What causes a P2253 code?

P2253 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 P2253 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P2253 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

P2253

O2 Sensor Negative Current Control Circuit High (Bank 1, Sensor 1)

What it means

The Engine Control Module (ECM) detects an abnormally high voltage or current on the pumping current negative control circuit of the wide-band Oxygen/NOx sensor. This indicates a potential short to voltage in the sensor wiring or an internal sensor failure.