Diagnostic Aids

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

If the switch status on the scan tool goes from active when connected to inactive when disconnected, the switch contacts may be stuck.
If the fault is not current the problem may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

DTC B2172, B2177, B2182, B2187, B2192, or B2197

Step	Action	Yes	No
Schematic Reference: Memory Seats Schematics
1	Did you perform the Power Seats Systems Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Power Seat Systems
2	Install a scan tool. Observe the seat adjuster switch parameter for which the DTC has set in the SCM data list. Does the scan tool display inactive?	Go to Diagnostic Aids	Go to Step 3
3	Disconnect the seat adjuster switch connector. Observe the seat adjuster switch parameter in the SCM data list. Does the scan tool display inactive?	Go to Step 5	Go to Step 4
4	Test and repair the seat switch signal circuit for which the DTC has set for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition?	Go to Step 7	Go to Step 6
5	Replace the seat adjuster switch. Refer to Seat Switch Replacement - Power . Is the repair complete?	Go to Step 7	-
6	Replace the memory seat module. Refer to Memory Seat Control Module Replacement . Is the repair complete?	Go to Step 7	-
7	Use the scan tool in order to clear the DTCs. Operate the system in order to verify the repair. Does the DTC reset?	Go to Step 2	System OK