OBD Guide

P00D2

HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2

P00D2 is an OBD-II diagnostic trouble code meaning: HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2. Common causes: malfunction of the oxygen sensor (dk2 bank 1), open or short circuit in the sensor heating circuit. Estimated repair cost: $33–89.

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

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

Related codes

Error P00D2 by Vehicle Brand

FAQ

What does the P00D2 code mean?

P00D2 is an OBD-II diagnostic trouble code that indicates: HO2S Heater Control Circuit Range/Performance Bank 1 Sensor 2

What causes a P00D2 error code?

The most common causes of P00D2 include: 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.

How do I fix a P00D2 diagnostic trouble code?

To fix P00D2: 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. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P00D2?

Limited driving only, diagnose soon

How much does it cost to fix P00D2?

The estimated repair cost for P00D2 is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat