LEMON Manuals: Even more car manuals for everyone
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 P20B9-P20BF Or P20C0-P20C5: Reductant Heater 1-2 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify that DTCs P16D7, P16D8, P16D9, P248A, P248C, or U010E are not set.
    • Go to next step: If none of the DTCs are set 
  3. Command the Reductant heater 1 and 2 ON and OFF with a scan tool and verify that Reductant Heater 1 and 2 Current parameters are between 0 - 25.5 A.
    • If not between 0 - 25.5 A. 

      Refer to Circuit/System Testing.

    • Go to next step: If between 0 - 25.5 A 
  4. 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.
  5. Verify the DTC does not set
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • Go to next step: If no DTC sets 
  6. All OK.
scientia non olet · About LEMON Manuals