BMW DTC P0058 – HO2S Heater Control Circuit High (Bank 2 Sensor 2)
DTC P0058 meaning on BMW
DTC P0058 refers to the HO2S Heater Control Circuit High for Bank 2 Sensor 2 in a BMW. This diagnostic trouble code indicates that there is a high voltage condition in the heater control circuit of the downstream oxygen sensor located on bank 2 of the engine.
BMW DTC P0058 symptoms
Symptoms of DTC P0058 in a BMW may include:
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Engine running rough or misfiring
- Failed emissions test
BMW DTC P0058 causes
Common causes of DTC P0058 in a BMW include:
- Faulty oxygen sensor
- Short or open circuit in the heater control circuit
- Corrosion or poor connection in the wiring harness
- Defective PCM (Powertrain Control Module)
BMW DTC P0058 seriousness
While DTC P0058 may not cause immediate drivability issues, it can lead to decreased fuel efficiency and increased emissions. Ignoring this fault can potentially cause damage to other components of the vehicle over time.
How to diagnose DTC P0058 on BMW
To diagnose DTC P0058 on a BMW, you can follow these steps:
- Use an OBD-II scanner to retrieve the fault code and freeze frame data
- Inspect the wiring harness for any visible damage or corrosion
- Check the oxygen sensor heater circuit for continuity and resistance
- Test the PCM for proper operation
How to fix DTC P0058 on BMW
To fix DTC P0058 on a BMW, you can try the following:
- Replace the downstream oxygen sensor on bank 2 sensor 2
- Repair any damaged wiring or connectors in the heater circuit
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P0058 on BMW
To erase DTC P0058 on a BMW, you can use an OBD-II scanner to clear the fault code from the vehicle’s memory. After clearing the code, it is recommended to perform a test drive to verify that the issue has been resolved.