Grand Cherokee 4WD V8-5.7L (2008)
ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN).
For proper diagnosis of the engine oil pressure sensor, the PCM, the EMIC, the CAN data bus or the electronic communication related to oil pressure
indicator operation a diagnostic scan tool is required. Refer to the appropriate diagnostic information.