Circuit/System Verification

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

Ignition Off and all vehicle systems Off. It may take up to 2 minutes for all vehicle systems to power down.
Verify the scan tool Reductant Pressure is 0 kPa when turning the ignition On.
- If greater than 0 kPa
  Refer to Circuit/System Testing
- If 0 kPa
Command the Reductant Purge Valve On and Off with a scan tool. You should hear an audible click.
- If no click is heard
  Refer to Circuit/System Testing.
- If a click is heard
Verify the Reductant Purge Solenoid Valve Control Circuit Status parameter does not display Malfunction when commanding the Reductant Purge Valve On and Off with a scan tool.
- If Malfunction is displayed
  Refer to Circuit/System Testing.
- If Malfunction is not displayed
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.
Verify the DTC does not set.
- If any DTC sets
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If the DTC does not set
All OK.