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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Controls And Fuel - 1.6L (LH7) Diesel - Diagnostic Information And Procedures (P040B - P204D)) >> Diagnostic Information And Procedures >> DTC P105A: Reductant Pump Low Speed >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition On, verify that no other reductant pump DTCs are set.
    • Go to next step: If no other DTCs are set 
  2. Verify that the status parameters listed below do not display Malfunction while commanding the Reductant Pump to 50% with a scan tool:
    • Reductant Pump Control Circuit High Voltage Test Status
    • Reductant Pump Control Circuit Open Test Status
    • Reductant Pump Control Circuit Low Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing

    • Go to next step: If Malfunction is not displayed 
  3. 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.
  4. Verify DTC P105A does not set.
    • If a DTC sets 

      Refer to Circuit/System Testing.

    • Go to next step: If no DTC sets 
  5. All OK.
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