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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 P203B-P203D, P21AA, P21AB, P21AF or P21B0: Reductant Level Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On, verify DTC UXXXX is not set.
    • If a DTC is not set 
  2. Engine idling.
  3. Verify DTC P203B is not set.
    • If the DTC is set 

      Replace the B213 Reductant Level Sensor.

    • If the DTC is not set 
  4. Verify the scan tool parameters listed below display OK or Not Run:
    • Reductant Level Sensor 1 Circuit Status
    • Reductant Level Sensor 2 Circuit Status
    • Reductant Level Sensor 3 Circuit Status
    • If OK or Not Run is not displayed 

      Refer to Circuit/System Testing.

    • If OK or Not Run is displayed 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  6. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

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