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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.0L (LUZ) Diesel - DTC P0430 To DTC P2080) >> Diagnostic Information and Procedures >> DTC P204B: Reductant Pressure Sensor >> Repair Verification

Repair Verification

WARNING: This page is about a different variant/trim than selected.
  1. Install any components or connectors that have been removed or replaced during diagnosis.
  2. Perform any adjustment, programming or setup procedures that are required when a component or module is removed or replaced.
  3. Clear the DTCs.
  4. Ignition Off, all vehicle systems Off, this may take up to 2 minutes.
  5. Ignition On, command the Reductant System Leak Test On with a scan tool. Allow the pressure to build for at least 2 minutes. The first 60 s, the system performs a system purge. Observe the scan tool Reductant Pressure sensor parameter. The reading should be between 400-650 kPa (58-94 psi) and there should be no leaks in the system.
    NOTE:
    • The diesel exhaust fluid (DEF) and ambient air temperatures must be greater than -7°C (+19°F) before proceeding with this procedure.
    • Exhaust Gas Temperature (EGT) sensor 2 must be less than 200°C (392°F) prior to running the Reductant System Leak Test.
    • If a leak is found 

      Repair as necessary.

    • If no leak is found 
  6. Ignition Off, all vehicle systems Off, this may take up to 2 minutes.
  7. Engine idling for 30 s.
  8. Ignition Off, all vehicle systems Off, this may take up to 2 minutes.
  9. Ignition On, verify the DTC does not set.
    • If the DTC sets 

      A condition with the system still exists.

    • If the DTC does not set 
  10. All OK.
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