P00D2

HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–89 (est.)

Symptoms

Check Engine Light Is On
Possible deterioration in fuel economy
Unstable engine operation at idle

Causes

Malfunction of the oxygen sensor (DK2 bank 1)
Open or short circuit in the sensor heating circuit
Problems with wiring harness or contacts
Heating circuit relay or fuse malfunction
Engine ECU error

How to Fix

Check the condition of the wiring harness and sensor contacts
Measure the resistance of the sensor heating element
Check the voltage and integrity of the heating circuit
If necessary, replace the oxygen sensor
Reset the error and check for reappearance

Related codes

P0032 P0038 P0052 P0058