P0062
HO2S Heater Control Circuit Bank 2 Sensor 4
Generic code
Fuel and Air Metering
Medium severity
Moderate repair
Free on OBD DashX
Want real-world data on P0062?
See which problems come with P0062, how often it shows up in other vehicles, and how to fix it — step by step.
- Real-world fix data
- How often it happens
- Step-by-step repairs
What P0062 means
- The P0062 fault code indicates an issue with the heater control circuit of the third downstream oxygen sensor (Bank 2 Sensor 3). This sensor is responsible for monitoring oxygen levels in the exhaust gases after the catalytic converter. When the voltage in the heater circuit is too high, it can disrupt the sensor's operation and accuracy.
Possible symptoms
- Illuminated Check Engine Light
- Poor engine performance or rough idling
- Reduced fuel efficiency
- Failed emissions test
- Potential damage to the catalytic converter if the issue is not resolved
Possible causes
- Malfunctioning downstream oxygen sensor (Bank 2 Sensor 3)
- Short circuit in the sensor's heater circuit
- Problems with the wiring or connectors in the sensor's circuit
- Faulty engine control module (ECM)
Related parts
- Heated Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy
Possible solutions
- Test and replace the defective downstream oxygen sensor (Bank 2 Sensor 3)
- Inspect the wiring and connectors in the sensor's circuit for any signs of damage or loose connections
- Repair or replace any damaged wiring or connectors
- If necessary, test and replace the engine control module (ECM)
Free on OBD DashX
P0062 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P0062 No sign-up needed · available in 10 languagesScan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.