What causes a P101F code?

P101F 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 P101F code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P101F 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

Log in Sign up

OBD-II

P101F

BPV CAN sensor overload

What it means

Bypass Valve (BPV) CAN Sensor/Actuator Overload - Indicates electrical over-current or communication saturation at the boost bypass actuator.

Sign in to view symptoms, probable causes, diagnostic steps, severity, and related codes

Log in Sign up free