What causes a P2476 code?

P2476 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 P2476 code?

Drivability depends on the severity. Check the severity rating and verified driver reports on this page before continuing to drive with P2476 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

P2476

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 4

What it means

The Engine Control Module (ECM) has detected an irrational signal from the Exhaust Gas Temperature (EGT) sensor located after the Diesel Particulate Filter (DPF) but before the Selective Catalytic Reduction (SCR) brick.