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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P205B - P2BAA) And Symptoms) >> Diagnostic Information And Procedures >> DTC P20EE, P249D, Or P249E: NOx Catalyst Efficiency Below Threshold/Closed Loop Reductant Injection Control At Limit - Flow Too Low/High >> Repair Verification

Repair Verification

WARNING: This page is about a different variant/trim than selected.
NOTE:

Before returning the vehicle to the customer, perform the scan tool Reductant System Malfunction Warning Service Bay Test to verify proper reductant system operation.

  1. Perform the scan tool control function: Reductant System Malfunction Service Bay Test 
    • If the test does not pass 

      Refer to Circuit/System Testing.

    • Go to next step: If the test passes 
  2. All OK.
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