DTC P0568: Cruise Control Set Switch Circuit: Troubleshooting

WARNING: This page is about a different car, the 2008 Suzuki Reno, 2008 Suzuki Forenza, 2007 Suzuki Reno, and 2007 Suzuki Forenza. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLESHOOTING CHART

Step	Action	Value(s)	Yes	No
1	Did you perform the Diagnostic System Check?	-	Go to Step 2	Go to ON-BOARD DIAGNOSTIC (OBD II) SYSTEM CHECK
2	Install a scan tool. Turn the ignition ON, with the engine OFF. Turn the cruise ON/OFF, control switch ON. With the scan tool, observe the Cruise Set/Coast. Switch parameter. Does the Cruise Set/Coast. Switch parameter display ON?	-	Go to Step 3	Go to Diagnostic Aids
3	Turn the ignition OFF. Disconnect the cruise control switch connector. Turn the ignition ON, with the engine OFF. With the scan tool, observe the Cruise Set/Coast. Switch parameter. Does the Cruise Set/Coast. Switch parameter display ON?	-	Go to Step 4	Go to Step 5
4	Test the cruise control set/coast switch signal circuit for a short to voltage. Did you find and correct the condition?	-	Go to Step 9	Go to Step 6
5	Inspect for poor connections at the harness connector of the cruise control switch. Did you find and correct the condition?	-	Go to Step 9	Go to Step 8
6	Inspect for poor connections at the harness connector of the ECM. Did you find and correct the condition?	-	Go to Step 9	Go to Step 7
7	Replace the ECM. Did you complete the replacement?	-	Go to Step 9	-
8	Replace the cruise control switch. Did you complete the replacement?	-	Go to Step 9	-
9	Use the scan tool in order to clear the DTCs. Operate the vehicle within the Conditions for Setting the DTC. Does the DTC reset?	-	Go to Step 2	System OK