What causes a P1482 code?

P1482 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 P1482 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P1482 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

P1482

EGR CAN sensor unspecified actuator fault

What it means

EGR Actuator Communication or Internal Circuit Fault - The Engine Control Module (ECM) has lost communication with the EGR valve actuator via the J1939 data link or has detected an internal electronic failure within the actuator.