What causes a P00459A code?

P00459A 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 P00459A code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P00459A active.

How do I fix P00459A?

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

P00459A

Open in turbocharger / turbocharger supercharging control circuit "A"

What it means

Working conditions of a component or system

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

Log in Sign up free