P2257

AIR System Control A Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–89 (est.)

Symptoms

Check Engine Light Is On
Deterioration in acceleration dynamics
Increased fuel consumption
Unstable idle
Dips during acceleration

Causes

Open or short circuit in control circuit
AIR system solenoid malfunction
Air pump relay problems
Corrosion of connectors or terminals
Engine control unit malfunction

How to Fix

Check the integrity of wires and connections in the circuit
Check the operation of the air pump relay
Test the resistance of the AIR system solenoid
Check the supply voltage of the circuit
Scan the ECU for additional errors

Related codes

P2258 P2259 P0410 P0411