BMW P1149: O2 Control (Bank 1) Out of Range (Sensor Aging)
Is your scanner showing BMW P1149?
No worries. We'll show you what it means and how to deal with it.
BMW P1149: O2 Control (Bank 1) Out of Range (Sensor Aging)
OVERVIEWWhat Does The BMW P1149 Code Mean?
Engine started, battery voltage must be at least 11.5v, all electrical components must be off, the ground between the engine and the chassis must be well connected, the exhaust system must be properly sealed between the catalytic converter and the cylinder
What Are The Potential Causes Of The BMW P1149 Code?
- Oxygen sensor (before catalytic converter) is faulty
- Oxygen sensor (behind catalytic converter) is faulty
- Oxygen sensor heater (before catalytic converter) is faulty
- Oxygen sensor heater (behind catalytic converter) is faulty
- Circuit wiring
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> Bosch 13477 Premium Original Equipment Oxygen Sensor
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
BMW P1149, DTCDECODE.
