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P123E BMW Code - Nitrogen Oxide Sensor Sensor Poisoning NOx Signal Too Low

- Code Popularity: 1,324 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P123E BMW?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Nitrogen Oxide (NOx)
  • Nitrogen Oxide (NOx) harness is open or shorted
  • Nitrogen Oxide (NOx) circuit poor electrical connection
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How to Fix the DTC P123E BMW?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P123E BMW code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

Code P123E BMW Description

The 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.

OBDII Code P123E BMW - Nitrogen Oxide Sensor Sensor Poisoning NOx Signal Too Low - AutoCodes.com
P123E BMW Code - Nitrogen Oxide Sensor Sensor Poisoning NOx Signal Too Low

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Code P123E BMW comments

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