P123C BMW - Nitrogen Oxide Sensor Sensor Poisoning Binary Lambda Signal Too Lean
- Faulty Nitrogen Oxide (NOx) Sensor Signal Binary Oxygen Sensor
- Nitrogen Oxide (NOx) Sensor Signal Binary Oxygen Sensor harness is open or shorted
- Nitrogen Oxide (NOx) Sensor Signal Binary Oxygen Sensor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P123c Bmw DescriptionThe Engine Control Module (ECM) monitors the Nitrogen Oxide Sensor. The ECM sets the OBDII code when the Nitrogen Oxide Sensor is not to factory specifications.
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