Description And Operation: Adaptive: Description

WARNING: This page is about a different car, the 2022 Chrysler Voyager and 2022 Chrysler Pacifica. However, it is still accessible from the selected car via links, so may be relevant.

This vehicle will have the option of Adaptive Cruise Control (ACC) with Stop / Start. The ACC system uses a Long Range Radar (LRR) mounted at the front of the vehicle located in the lower portion of the front fascia to detect objects in its path.

If the lane ahead is clear, the system will maintain the set speed. When slower traffic is detected, the vehicle will adjust speed to maintain a safe distance.

The ACC system operates down to 0 mph which allows the system to stop the vehicle, then re-engage to safe-range speeds as traffic begins to move. The ACC System allows the driver to resume by either pressing the resume button or tapping the accelerator pedal.

The ACC system works independently with grade braking and Forward Collision Warning (FCW).

Grade braking, the transmission will automatically downshift to maintain selected vehicle speed and distance to prevent brake overheating.
The FCW Plus function operates only when the ACC is active, notifying the driver when the vehicle is too close to a preceding vehicle. For further information on the FCW system. Refer to DESCRIPTION AND OPERATION .

The system operates down to 0 mph and provides:

Driver Take Over requests with Audible and Visual warnings for vehicles decelerating faster than ACC comfort braking can provide.

The adaptive electronic speed control system includes the following major components, which are described in additional detail elsewhere in this service information:

Antilock Brake System Module - An Antilock Brake System (ABS) module is located below the antilock brake Hydraulic Control Unit (HCU) in the engine compartment. Refer to MODULE, ANTI-LOCK BRAKE SYSTEM (ABS), DESCRIPTION AND OPERATION .
Cruise Control Switches - A speed control switch pod containing eight momentary switch push buttons is located in the right horizontal spoke of the steering wheel.
Electronic Vehicle Information Center - The Electronic Vehicle Information Center (EVIC) is located in the Integrated Center Stack (ICS) and provides an interface to the vehicle operator for setting the adaptive speed control customer preferences as well as a display of the adaptive speed control and Forward Collision Warning (FCW) system status messages. Refer to CENTER, ELECTRONIC VEHICLE INFORMATION, DESCRIPTION AND OPERATION .
Instrument Panel Cluster - An indicator located in the Instrument Cluster (IPC) displays "CRUISE" to inform the vehicle operator when the speed control system is turned ON. Refer to DESCRIPTION AND OPERATION .
LRR - An LRR is mounted at the front of the vehicle located in the lower portion of the front fascia to detect objects in its path. Refer to MODULE, ADAPTIVE CRUISE CONTROL (ACC), DESCRIPTION AND OPERATION .
Powertrain Control Module - The Powertrain Control Module (PCM) is located in the engine compartment. The PCM contains the software and hardware that monitors all of the cruise control system inputs and controls all of the speed control system outputs. Refer to MODULE, POWERTRAIN CONTROL (PCM), DESCRIPTION AND OPERATION .
Transmission Control Module - The Transmission Control Module (TCM) is located on the transmission case. The TCM contains the software and hardware that monitors and responds to all of the shift requests from the PCM outputs during ACC events. Refer to MODULE, POWERTRAIN CONTROL (PCM), DESCRIPTION AND OPERATION .
Steering Column Control Module - A controller is integral to the Steering Column Control Module (SCCM) located at the top of the steering column just below the steering wheel.
Stop Lamp Sensor - The stop lamp sensor is located on the brake pedal support bracket under the driver side of the instrument panel.
Wheel Speed Sensors - A wheel speed sensor is located on the knuckle of each front and rear wheel.

The ACC, ABS, IPC, EVIC, PCM and the SCCM each contain a controller and programming that allow them to communicate with each other using the Controller Area Network (CAN) data bus.