OBD Guide

B0263

Air Flow Control 6 Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

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

Causes

  • Open or short circuit in solenoid wiring harness
  • Malfunction of the solenoid valve (solenoid)
  • Problems connecting to the ECU
  • Internal ECU fault

How to Fix

  1. Check circuit 6 solenoid resistance
  2. Inspect the wiring harness for damage
  3. Check connection to the ECU
  4. Replace faulty solenoid or wiring harness

Related codes

Error B0263 by Vehicle Brand