Adaptive Cruise Control Module (ACC)

P1593-2A-SPEED CONTROL SWITCH 1/2 STUCK

For a complete wiring diagram, refer to the Wiring Information.

Theory of Operation

The Speed Control Switch is hardwired to the Steering Column Control Module (SCCM). The SCCM is located near the top of the steering column below the steering wheel. The SCCM includes the steering column shroud, the Steering Angle Sensor (SAS), the Clockspring, the Multi-function Switch, a Steering Column Power Tilt and Telescope Switch (if equipped), and a trim cover. The SCCM is replaced as an entire assembly.

- When Monitored:
Continuously with the ignition on.

- Set Condition:
Fault signifies any Speed Control Switch is held/stuck for greater than 120 seconds.





VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
1. Turn the ignition on.
2. Using the scan tool, read the active DTCs.

Is this DTC active?

Yes

- Testing and Inspection Perform the P1593-2A-Speed Control Switch 1/2 Stuck diagnostic procedure.

No

- Perform the Stored Lost Communication DTCs diagnostic procedure. Stored Lost Communication DTCs