OBD-II code · Powertrain (generic)

P0062 HO2S Heater Control Circuit Bank 2 Sensor 3

Generic electrical fault in the heater control of bank 2 sensor 3. The sensor heater warms the element to operating temperature (~600 °C); without it the lambda sensor stays inactive in closed loop and the ECM cannot trim mixture.

Is it safe to drive with P0062?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyHeater element open

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.5–2 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Oxygen Sensor B2s3 Heater, Heater Wiring

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.