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

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Nitrogen Oxide (NOx) Sensor
  • Nitrogen Oxide (NOx) Sensor harness is open or shorted
  • Nitrogen Oxide (NOx) Sensor circuit poor electrical connection

Possible symptoms

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

P126c Description

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.
OBDII Code P126c - Nitrogen Oxide Sensor Adjustment Fault At Start Of Charging Phase - AutoCodes.com

P126C Information for specific makes

  • P126C BMW Nitrogen Oxide Sensor Adjustment Fault At Start Of Charging Phase
  • P126C FORD Fuel Injector 3 Input Circuit Malfunction
  • P126C MINI Nitrogen Oxide Sensor Adjustment Fault At Start Of Charging Phase

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P126C Comments

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