OBD Guide

P2259

AIR System Control B Circuit Low

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine light comes on
  • Deterioration of engine performance
  • Increased fuel consumption
  • Increased level of harmful emissions
  • Possible misfires

Causes

  • Open or short circuit in the AIR system control circuit
  • Poor contact in system connectors
  • AIR system solenoid valve malfunction
  • Wiring harness damage
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the AIR system control circuit
  2. Inspect connectors and connections for corrosion or damage
  3. Check the operation of the AIR system solenoid valve
  4. Scan the control unit for additional errors
  5. If necessary, replace faulty components

Related codes

Error P2259 by Vehicle Brand