Heated Oxygen Sensor Heater Control Circuit (Bank 2, Sensor 3)
The P0062 code means the vehicle's onboard diagnostic system has detected: Heated Oxygen Sensor Heater Control Circuit (Bank 2, Sensor 3). This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $300 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Slightly reduced fuel economy during cold starts
- Extended sensor warm-up period
- May fail emissions inspection
Probable Causes (Ranked by Likelihood)
- Failed O2 sensor heater element Very High
- Blown heater circuit fuse High
- Open or shorted wiring in heater circuit Moderate
- ECM heater driver malfunction Low
Step-by-Step Diagnostic Procedure
-
Confirm P0062 and locate Bank 2 Sensor 3
-
Check the O2 heater fuse
-
Measure heater circuit voltage and resistance
-
Inspect wiring between ECM and sensor
Frequently Asked Questions
What does P0062 mean?
P0062 indicates a malfunction in the heater control circuit for the Bank 2 Sensor 3 oxygen sensor.
Where is Bank 2 Sensor 3?
Bank 2 Sensor 3 is positioned after the second catalytic converter on Bank 2. This sensor position is only found on vehicles with dual catalytic converters per bank.
What repairs fix P0062?
Replacing the O2 sensor is the most common fix. Checking and replacing the heater fuse or repairing damaged wiring may also be necessary.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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