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Generic (SAE)BMW Emissions

P0141 on BMW: O2 Sensor Heater Circuit (Bank 1, Sensor 2)

Diagnostic trouble code P0141 on BMW vehicles — what it means, the common causes, and how to confirm the real fault before replacing parts.

What does P0141 mean?

P0141 indicates: O2 Sensor Heater Circuit (Bank 1, Sensor 2). This relates to the Emissions / Downstream O2 sensor heater bank 1 system.

Common causes of P0141

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A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several independent assessments, pinpoints the actual root cause, gives you the exact tests to confirm it, and shows the parts — only after the cause is confirmed. Reads your scan-tool photo and decodes your VIN with open recalls.

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P0141 — frequently asked questions

What does P0141 mean on a BMW?
P0141 is a diagnostic trouble code: O2 Sensor Heater Circuit (Bank 1, Sensor 2).
What are the common causes of P0141 on a BMW?
Common causes include: Failed heater element, Blown fuse, Wiring/connector. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving a BMW with P0141?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix P0141 on a BMW?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for P0141 on your specific BMW.

P0141 on other makes

All makesAudiVolkswagenMercedesPorsche

Related codes

P0101P0102P0105P0106P0113P0115