Diagnostic Test

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR AN ACTIVE DTC
1. Start the engine and test drive the vehicle.
  NOTE:
  The vehicle must be driven in order to get the Auxiliary Coolant Pump speed high enough for the diagnostic to run.
2. With a scan tool, read DTCs.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK THE CHARGE AIR COOLER COOLING SYSTEM FOR PROPER LEVEL AND OPERATION
1. Check for any of the following conditions, but not limited to:
  - Low coolant / No coolant
  - Blockage in the coolant flow
  - Excessive air mixed with the coolant
  - Charger Air Cooling system leaks
  - Incorrect Charge Air Cooling system reservoir cap
  NOTE:
  The Auxiliary Coolant Pump monitors the pump speed during operation. It has the ability to detect if the pump is blocked or if there is a dry run condition based on the pump speed. This is used to protect the pump from being damaged.
  
  Were any issues found?
  
  Yes
  - Repair the cooling system issue. Fill and bleed the system properly and retest.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Replace the Auxiliary Coolant Pump in accordance with the Service Information. Refer to PUMP, WATER, REMOVAL AND INSTALLATION .
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .