Diagnostic Aids
WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Perform this test when directed by QUICK TEST or by another system test. This test is only intended to diagnose the following components and circuits:
- Speed Control Switches
- Speed Control Command Switch (SCCS) Wiring Harness Circuits
- Powertrain Control Module (PCM)
The speed control function is integrated in PCM. Speed control command switches are momentary switches which are located on face of steering wheel. They consist of one ON-OFF toggle switch and one 3-position SET/ACCEL, COAST and RESUME switch. These switches when depressed, select one of several resistance values to PCM to select speed control functions.
DTC Descriptions
- P0565
Speed control ON malfunction. Open or short circuit, switch failure, PCM failure or failed to activate switch during KOER SWITCH TEST. - P0566
Speed control OFF malfunction. Open or short circuit, switch failure, PCM failure or failed to activate switch during KOER SWITCH TEST. - P0567
Speed control RESUME malfunction. Open or short circuit, switch failure, PCM failure or failed to activate switch during KOER SWITCH TEST. - P0568
Speed control SET malfunction. Open or short circuit, switch failure, PCM failure or failed to activate switch during KOER SWITCH TEST. - P0569
Speed control COAST malfunction. Open or short circuit, switch failure, PCM failure or failed to activate switch during KOER SWITCH TEST.