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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Exhaust System - INGENIUM I4 2.0L Diesel -- XE/(760)) >> Exhaust System - INGENIUM I4 2.0L Diesel (G1817300) >> Diagnosis And Testing >> Exhaust System DTC: Selective Catalytic Reduction (SCR) >> Diesel Exhaust Fluid Quality (Part 2)

Diesel Exhaust Fluid Quality (Part 2)

WARNING: This page is about a different car, the 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
SITUATION CAUSE ACTION
  • A customer may express a concern that the MIL  is illuminated and/or the 'Incorrect DEF  Quality' message is displayed on the Instrument Cluster (IC)
  • A technician may find DTC  s P2BA9 and/or P20EE stored in the Powertrain Control Module (PCM)
  • Incorrect DEF  quality
  • Incorrect fluid type (coolant, screenwash, diesel, etc)
  • Induction air leaks
  • Exhaust gas leaks
  • SCR  deposits or contamination
  • NOx sensor issues
  • PCM software
  • Should a customer express this concern, follow the pinpoint test below
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