Code P229f

Tiny
MEELYBUG
  • MEMBER
  • 2011 MERCEDES BENZ ML350
  • 3.5L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 79,000 MILES
P229f code. Replace NOX sensor, the code returns. Should there be a learning in process for the sensor?
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Thursday, April 26th, 2018 AT 6:04 PM

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Tiny
STEVE W.
  • EXPERT
No learning process. A common cause for that code is a fault in the actual harness. Usually from a corroded connector.
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Friday, April 27th, 2018 AT 11:44 AM

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