Engine-Codes - BMW - P126C BMW

P126C BMW Code - Nitrogen Oxide Sensor Adjustment Fault At Start Of Charging Phase

- Code Popularity: 1,815 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P126C 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) Sensor
  • Nitrogen Oxide (NOx) Sensor harness is open or shorted
  • Nitrogen Oxide (NOx) Sensor circuit poor electrical connection
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How to Fix the DTC P126C 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P126C BMW code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P126C BMW Code Mean?

The Engine Control Module (ECM) monitors the Nitrogen Oxide (NOx) Sensor. The ECM sets the OBDII code when the Nitrogen Oxide (NOx) Sensor is not to factory specifications.

P126C BMW Code - Nitrogen Oxide Sensor Adjustment Fault At Start Of Charging Phase

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