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 allow it to idle.
2. With the scan tool, read DTCs and record on the repair order.
  Is the DTC active or pending?
  
  Yes
  - Go To 2
  No
  - Perform the INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK FOR OTHER DTCS
1. Refer to the recorded DTCs.
  Is DTC P1523 active or pending?
  
  Yes
  - Perform the applicable diagnostic procedure(s). Refer to DIAGNOSTIC CODE INDEX .
  No
  - Go To 3
CHECK THE ENGINE OIL FOR PROPER LEVEL AND CONDITION
NOTE:
The actuators will not operate if the oil pressure is too low or too high.
1. Check the engine for the following:
  - Low Engine Oil
  - Incorrect oil filter that does not meet OEM specifications
  - Oil dirty or deteriorated (lack of scheduled oil changes)
  - Correct viscosity and weight
  - Engine oil contaminated (i.e., coolant and/or fuel)
  Is oil level, type, condition, and filter correct?
  
  Yes
  - Go To 4
  No
  - Repair the oil level, oil condition, or filter as required, consult the Service Information for correct type and grade of engine oil.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
CHECK OIL PRESSURE / ENGINE MECHANICAL
1. Remove the Oil Pressure Switch and install a mechanical oil pressure gauge.
2. Crank the engine for at least 10 seconds and check the oil pressure.
  Is the oil pressure between 0.8 bar (11.6 psi) and 7.5 bar (108.8 psi)?
  
  Yes
  - Replace the Variable Valve Actuator Assembly in accordance with the Service Information. Refer to ASSEMBLY, VARIABLE VALVE ACTUATION, REMOVAL AND INSTALLATION . After replacing the Variable Valve Actuator Assembly, perform the "Reset VCM Adaptives" procedure with the scan tool. This function should be run after a VVA Actuator has been installed to prevent a false failure by resetting the adaptive memory back to the base calibration.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .
  No
  - Repair the engine mechanical condition as necessary.
  - Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .