What causes a P141C code?

P141C 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 P141C code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P141C 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

P141C

CCV outlet temperature sensor under range

What it means

The ECM has detected that the voltage from the Crankcase Ventilation (CCV) outlet temperature sensor is below the minimum acceptable threshold, typically indicating a short to ground or an extremely cold reading that is physically impossible.