What causes a P2145 code?

P2145 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 P2145 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P2145 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

P2145

Exhaust Gas Recirculation Vent Control Circuit High

What it means

The engine control module (ECM) provides a high voltage at the control circuit of the EGR vent solenoid, indicating a direct short to power or a failed internal solenoid.