BMW DTC P0167 – O2 Sensor Heater Circuit (Bank 2 Sensor 3)
DTC P0167 meaning on BMW
The Diagnostic Trouble Code (DTC) P0167 for BMW refers to an issue with the O2 sensor heater circuit in Bank 2 Sensor 3. This code indicates that there is a malfunction in the heating element circuit of the oxygen sensor located in the third position on bank 2 of the engine.
BMW DTC P0167 symptoms
Symptoms of DTC P0167 on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Poor fuel economy
- Engine running rough or misfiring
- Reduced engine performance
BMW DTC P0167 causes
Common causes of DTC P0167 on a BMW include:
- Faulty O2 sensor heater circuit
- Wiring or connector issues in the O2 sensor circuit
- Blown fuse related to the O2 sensor heater
- ECU (Engine Control Unit) malfunction
BMW DTC P0167 seriousness
While DTC P0167 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance and fuel efficiency.
How to diagnose DTC P0167 on BMW
To diagnose DTC P0167 on a BMW, you can follow these steps:
- Use an OBD-II scanner to retrieve the fault code
- Inspect the wiring and connectors of the O2 sensor in Bank 2 Sensor 3
- Check the fuse related to the O2 sensor heater circuit
- Test the O2 sensor heater circuit for continuity and resistance
- Verify the ECU functionality
How to fix DTC P0167 on BMW
To fix DTC P0167 on a BMW, you can try the following solutions:
- Replace the faulty O2 sensor in Bank 2 Sensor 3
- Repair or replace any damaged wiring or connectors in the O2 sensor circuit
- Replace the blown fuse related to the O2 sensor heater
- If the ECU is faulty, have it repaired or replaced by a professional
How to erase DTC P0167 on BMW
To erase DTC P0167 on a BMW, you can clear the fault code using an OBD-II scanner. After addressing the underlying issue causing the fault code, you can reset the Check Engine Light and clear the DTC from the ECU memory.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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