What causes a P2072 code?

P2072 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 P2072 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P2072 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

P2072

Intake Air System Ice Blockage Detected

What it means

The Engine Control Module (ECM) has detected restricted air flow or a stuck intake throttle valve caused by ice accumulation within the intake system or charge air cooler.