WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Dodge Intrepid, 2003 Chrysler Intrepid, 2003 Chrysler Concorde, 2003 Chrysler 300M, and 2002 Dodge Intrepid. However, it is still accessible from the selected car via links, so may be relevant.

The speed control system has 5 separate resistive switches that provide a single multiplexed (MUX) voltage inputs to the PCM. The switch names are ON, OFF, SET COAST, RESUME, ACCEL, COAST and CANCEL. Based on conditions when the buttons are pushed and released, the 5 voltage ranges provided to the PCM result in the following functions: ON, OFF, SET, COAST, RESUME, ACCEL, COAST and CANCEL.

Also the PCM receives an input from the brake switch to sense whether the brake pedal has been depressed. When the PCM receives the brake depressed input, it turns off power to the cruise control servo and disengages cruise control. Also the power to the servo is supplied through the brake switch, which opens the circuit when the brake pedal is depressed. The individual switches cannot be repaired. If one switch fails, the entire switch module must be replaced.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Section 35 (Cruise Control Systems): Operation: Switch

Use the Manual With the Right Hardware

When to See a Mechanic

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