What causes a P0160 code?

P0160 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 P0160 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P0160 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

P0160

O2 Sensor Circuit No Activity Detected Bank 2 Sensor 2

What it means

The Engine Control Module (ECM) monitors the secondary Oxygen Sensor downstream of the diesel oxidation catalyst and has detected a lack of voltage variation, indicating a circuit or sensor failure.