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U2629 Code – Reductant Control Module Lost Communication With Reductant Tank Temperature Sensor 1

What are the Possible Causes of the Code U2629?
  • Faulty Reductant Tank Temperature Sensor 1
  • Reductant Tank Temperature Sensor 1 harness is open or shorted
  • Reductant Tank Temperature Sensor 1 circuit poor electrical connection
  • Faulty Reductant Control Module
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

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