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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 Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
  1. Inspect the wire harness on the B213 Reductant Level Sensor for damage.
    • If damage is found 

      Replace the B213 Reductant Level Sensor.

    • If no damage is found 
  2. Disconnect the harness connector at the B213 Reductant Level Sensor side of the B212 Reductant Sensor Module.
  3. Verify the resistance is between 9.6-10.2 kΩ between the ground circuit terminal 4 and the terminals listed below at the B213 Reductant Level Sensor wire harness.
    NOTE: The reductant tank level must be full to ensure accurate resistance readings.
    • Terminal 7 for level sensor 3
    • Terminal 5 for level sensor 2
    • Terminal 6 for level sensor 1
    • If not between 9.6-10.2 kΩ 

      Replace the B213 Reductant Level Sensor.

    • If between 9.6-10.2 kΩ 
  4. Replace the B212 Reductant Sensor Module.
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