Radiator Cooling Fan: Locations

The PCM is located in the engine compartment welded on the dash panel.

GAS ENGINES
Radiator fan operation is controlled by the Total Integrated Power Mod ule (TIPM) with inputs from the Powertrain Control Module (PDC). Inputs for coolant temperature and vehicle speed are sent to the the Powertrain Control Module (PCM) (1). This information is then sent via the communication bus to the TIPM which turns on the radiator fans.