OBD Guide

B0264

Air Flow Control 6 Circuit Range/Performance

B0264 is an OBD-II diagnostic trouble code meaning: Air Flow Control 6 Circuit Range/Performance. Common causes: vvt or egr solenoid valve (solenoid) malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates

Causes

  • VVT or EGR solenoid valve (solenoid) malfunction
  • Open or short circuit in wiring harness
  • Air flow control valve is dirty or mechanically damaged
  • Malfunction of the camshaft or crankshaft position sensor
  • Oil pressure problems (for VVT systems)

How to Fix

  1. Check the condition of the wiring harness and connectors in the air flow control circuit
  2. Check resistance and operation of VVT/EGR solenoid
  3. Clean or replace air control valve if necessary
  4. Check oil pressure and level (for VVT systems)
  5. Scan the ECU for additional errors
  6. If necessary, update the ECU software

Related codes

Error B0264 by Vehicle Brand

FAQ

What does the B0264 code mean?

B0264 is an OBD-II diagnostic trouble code that indicates: Air Flow Control 6 Circuit Range/Performance

What causes a B0264 error code?

The most common causes of B0264 include: VVT or EGR solenoid valve (solenoid) malfunction; Open or short circuit in wiring harness; Air flow control valve is dirty or mechanically damaged; Malfunction of the camshaft or crankshaft position sensor.

How do I fix a B0264 diagnostic trouble code?

To fix B0264: Check the condition of the wiring harness and connectors in the air flow control circuit. Check resistance and operation of VVT/EGR solenoid. Clean or replace air control valve if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B0264?

Limited driving only, diagnose soon

How much does it cost to fix B0264?

The estimated repair cost for B0264 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat