P123E BMW - Nitrogen Oxide Sensor Sensor Poisoning NOx Signal Too Low
P123E BMW Possible Causes
- Faulty Nitrogen Oxide (NOx)
- Nitrogen Oxide (NOx) harness is open or shorted
- Nitrogen Oxide (NOx) circuit poor electrical connection
How do I fix code P123E BMW
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
Cost of diagnosing the P123E BMW code
Labor: 1.0The cost of diagnosing the P123E BMW code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P123E BMW Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P123E BMW MeaningThe 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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