P2C80

AIR System Pump Overspeed Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$133–389 (est.)

Symptoms

Check Engine Light Is On
Increased operating noise of the AIR pump
Unstable engine idling
Reduced catalytic converter efficiency
Difficult cold start

Causes

AIR system pump malfunction
Problems with pump wiring or connectors
Pump control relay malfunction
ECU software error
Mechanical damage to system air ducts

How to Fix

Check the condition of the AIR system pump
Diagnose the pump control circuit (wiring, relays, fuses)
Check pump operating parameters using a diagnostic scanner
If necessary, replace the AIR pump
Flash or replace the ECU if a software error is suspected

Related codes

P2C81 P0410 P0411