Power Windows Inoperative - Lockout Function

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 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: Power Window Schematics Connector End View Reference: Power Door Systems Connector End Views
1	Did you perform the Diagnostic System Check - Vehicle?	Go to Step 2	Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2	Disable the window lockout function. Operate the passenger power windows from the passenger door power window switches. Do the passenger power windows operate normally?	Go to Step 3	Go to Power Window Inoperative - Passenger Door (Front Door) or Power Window Inoperative - Passenger Door (Rear Door)
3	Enable the window lockout function. Operate the passenger power windows from the passenger door power window switches. Do the passenger power windows operate up and down?	Go to Step 4	Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
4	Install a scan tool. Monitor the window lockout data parameter in the driver door module (DDM) input list. Place the window lockout switch in both the ON and OFF positions. Does the window lockout data parameter change accordingly?	Go to Step 5	Go to Step 10
5	Does the window lockout function for the front passenger power window operate properly?	Go to Step 6	Go to Step 9
6	Disable the window lockout function. Disconnect the appropriate rear window switch. Connect a test lamp to a good ground. Probe the rear window lockout signal circuit at the rear window switch harness connector. Does the test lamp illuminate?	Go to Step 7	Go to Step 11
7	Test for a short to battery positive voltage on the rear window lockout signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 8
8	Inspect for poor connections at the body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 12
9	Inspect for poor connections at the passenger door module (PDM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 13
10	Inspect for poor connections at the DDM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 14
11	Inspect for poor connections at the rear power window switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 16	Go to Step 15
12	Replace the BCM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement?	Go to Step 16	-
13	Replace the PDM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair?	Go to Step 16	-
14	Replace the DDM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the repair?	Go to Step 16	-
15	Replace the rear power window switch. Refer to Power Window Switch Replacement - Rear Door . Did you complete the repair?	Go to Step 16	-
16	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2