Circuit/System Verification

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

Engine Running
Verify DTC P00B3, P00B4, P00B6, P0116, P0117 or P0118 is not set.
- If DTC P00B3, P00B4, P00B6, P0116, P0117 or P0118 is set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
- If DTC P00B3, P00B4, P00B6, P0116, P0117 or P0118 is not set
Verify the coolant in the radiator surge tank is at the correct level and there are no engine coolant leaks.
- If a condition is found
  Refer to Cooling System Draining and Filling (Static)Cooling System Draining and Filling (GE 47716) and Loss of Coolant .
- If a condition is not found
Engine Running for 15 min with the A/C OFF.
Command the Engine Coolant Thermostat Heater to 0% with a scan tool, engine at 2, 000 RPM.
Verify the scan tool ECT Sensor parameter is between 80°C and 102°C (176°F and 215°F).
- If ECT sensor is not between 80°C and 102°C (176°F and 215°F)
  Replace the engine coolant thermostat.
- If ECT sensor is between 80°C and 102°C (176°F and 215°F)
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 step 1.
- If the DTC does not set
All OK.