B0272

Air Flow Control 7 Circuit Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Reduced engine power
Unstable idling
Check Engine Light Illuminates
Deterioration in acceleration dynamics

Causes

Open or short circuit in wiring harness
Air control solenoid valve malfunction
Problems with the engine control unit
Mechanical damage to air supply system components
Oxidation of contacts in connectors

How to Fix

Conduct a visual inspection of the wiring harness and connectors
Check the continuity of the circuit with a multimeter
Test control solenoid resistance
Scan the ECU memory for additional errors
If necessary, replace the faulty component

Related codes

B0270 B0271 B0273 P0100 P0101