Circuit/System Verification

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

Ignition On.
Verify no other DTCs are set.
- If any other DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- If no other DTCs are set
Verify the scan tool Reductant Pump Control Circuit Status parameter OK or Not Run.
- If OK or Not Run is not displayed
  Refer to Circuit/System Testing.
- If OK or Not Run is displayed
Verify the Reductant System Leak Test turns On when commanded On with a scan tool.
NOTE: Exhaust gas temperature (EGT) sensor 2 must be less than 200°C (392°F) prior to running the Reductant System Leak Test.
- If the Reductant System Leak Test does not turn on
  Refer to Circuit/System Testing.
- If the Reductant System Leak Test does turn on
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 the DTC sets
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- If the DTC does not set
All OK.