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DTC P2BA7 (DCU) - NOX EXCEEDENCE - Empty Reagent Tank

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P2BA7 (DCU) - NOX EXCEEDENCE - EMPTY REAGENT TANK

Description:  This DTC sets when the reductant level reaches a minimum amount.
Possible Causes: 
  • Reductant level too low
Diagnostic Aids:  Fill the reductant tank. This DTC clears when the reductant dosage control module detects a refill event.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All Refer to the Description, Possible Causes and Diagnostic Aids for the DTC.