P2C81

AIR System Pump Overtemperature Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Unusual noises from the AIR pump area
Increased fuel consumption
Unstable engine idling

Causes

AIR pump malfunction
Problems with the pump electrical circuit
Air supply system clogged
Faulty pump relay or fuse
Wiring harness damage

How to Fix

Check the AIR pump fuse and relay
Check the electrical circuit of the pump for opens and short circuits
Check the mechanical condition of the AIR pump
Clear the air supply system of blockages
Replace AIR pump if necessary

Related codes

P2C80 P2C82 P0410