P128B BMW - Nitrogen Oxide Sensor Regeneration Nitrogen Oxide Cat Time Controlled Regeneration Abort

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)

P128b Bmw 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 P128b Bmw - Nitrogen Oxide Sensor Regeneration Nitrogen Oxide Cat Time Controlled Regeneration Abort - AutoCodes.com

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