OBD Guide

P2609

Intake Air Heater System Performance

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

Symptoms

  • Difficulty starting the engine in cold weather
  • Reduced engine power at low temperatures
  • Increased fuel consumption
  • Check Engine indicator on the dashboard
  • Unstable engine idling in cold weather

Causes

  • Heating element malfunction
  • Problems with the heater control relay
  • Open or short circuit in the heater circuit
  • Poor contact in system connectors
  • Wiring harness damage

How to Fix

  1. Check the integrity of the heating element
  2. Check the operation of the control relay
  3. Check the heater circuit for open circuit and short circuit
  4. Inspect connectors and contacts for oxidation or damage
  5. If necessary, replace the heating element or relay

Related codes

Error P2609 by Vehicle Brand