P2606

Intake Air Heater B Circuit Range/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
Unstable engine operation at idle
Increased fuel consumption
Check Engine light comes on

Causes

Intake air heater B fault
Open or short circuit in the heater circuit
Problems with the heater relay or fuse
ECU malfunction

How to Fix

Check fuse and heater relay
Check the integrity of the heater circuit
Check heater resistance
Check the operation of the computer
Replace the intake air heater if necessary

Related codes

P2605 P2607 P2608