What causes a SPN 524280 code?

SPN 524280 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 SPN 524280 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with SPN 524280 active.

How do I fix SPN 524280?

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

J1939 SPN

SPN 524280

Remote Accelerator Pedal IdleValidation Switch 1

What it means

The Engine Control Module (ECM) has detected an invalid signal or a mismatch between the Remote Accelerator Pedal's idle position switch and the potentiometer signal.