Ride Does Not Change When Switched (ON - OFF)

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Step	Action	Yes	No
Schematic Reference: Suspension Controls Schematics Connector End View Reference: Suspension Controls Connector End Views
1	Did you review the system and circuit description and perform the necessary inspections?	Go to Step 2	Go to Symptoms - Selectable Ride
2	Verify the fault is present. Does the system operate normally?	Go to Testing for Electrical Intermittents in Wiring Systems	Go to Step 3
3	Turn OFF the ignition. Disconnect the selectable ride switch. Refer to Electronic Suspension Ride Control Switch Replacement . Turn ON the ignition, with the engine OFF. Connect a test lamp between the ignition 1 voltage circuit and a good ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate?	Go to Step 4	Go to Step 8
4	Connect a test lamp between the selectable ride switch control circuit and a good ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate?	Go to Step 10	Go to Step 5
5	Turn OFF the ignition. Reconnect the selectable ride switch. Connect a test lamp and back probe, between the selectable ride switch control circuit and a good ground. Refer to Circuit Testing in Wiring Systems. Turn ON the ignition, with the engine OFF. While back probing, turn the selectable ride switch from ON to OFF or FIRM to NORM. Does the test lamp illuminate in the ON position and off in the OFF position?	Go to Step 6	Go to Step 13
6	Ensure the selectable ride switch is in the ON or FIRM position and the ignition is in the ON position. Gain access to connector at the Underhood Fuse Block. Connect a test lamp and back probe, between the selective ride switch control circuit and a good ground. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate?	Go to Step 7	Go to Step 11
7	Inspect the electrical connections at each shock. Inspect the ground for both the front and the rear shocks to be clean and tight. Ensure that all the connections are clean and tight and free of corrosion. Did you find the condition?	Go to Step 12	Go to One Shock Does Not Operate
8	Test the ignition 1 voltage circuit for an open or a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 14	Go to Step 9
9	Repair the short to ground in the selectable ride switch control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 14	-
10	Repair the short to voltage in the selectable ride switch control circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 14	-
11	Repair the open in the selectable ride switch control circuit between the switch and the Underhood Junction Block. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair?	Go to Step 14	-
12	Repair the conditions as necessary. Refer to the appropriate procedure in Wiring Systems from the following list: Testing for Electrical Intermittents Wiring Repairs Connector Repairs Did you complete the repair?	Go to Step 14	-
13	Replace the selectable ride switch. Refer to Electronic Suspension Ride Control Switch Replacement . Did you complete the replacement?	Go to Step 14	-
14	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 3