B0272
Air Flow Control 7 Circuit Open
B0272 is an OBD-II diagnostic trouble code meaning: Air Flow Control 7 Circuit Open. Common causes: open or short circuit in wiring harness, air control solenoid valve malfunction. Estimated repair cost: $33–167.
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
Error B0272 by Vehicle Brand
FAQ
What does the B0272 code mean?
B0272 is an OBD-II diagnostic trouble code that indicates: Air Flow Control 7 Circuit Open
What causes a B0272 error code?
The most common causes of B0272 include: 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.
How do I fix a B0272 diagnostic trouble code?
To fix B0272: Conduct a visual inspection of the wiring harness and connectors. Check the continuity of the circuit with a multimeter. Test control solenoid resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0272?
Limited driving only, diagnose soon
How much does it cost to fix B0272?
The estimated repair cost for B0272 is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat