Power Seat Does Not Tilt Forward (with Memory)
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.
Power Seat Does Not Tilt Forward (with Memory)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Driver Seat Schematics Connector End View Reference: Power Seat Systems Connector End Views |
|||
| 1 | Did you perform the Power Seat Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Power Seat Systems |
| 2 | Verify the condition is present. Does the system operate normally? |
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Step 5 |
| 4 | Disconnect the seat adjuster switch connector. Do both of the Front Vertical Switch parameters display Inactive? |
Go to Step 12 | Go to Step 9 |
| 5 | Operate the front vertical up switch. Does the scan tool display the front vertical up switch as Active? |
Go to Step 6 | Go to Step 7 |
| 6 | Operate the front vertical down switch. Does the scan tool display the front vertical down switch as Active? |
Go to Step 13 | Go to Step 8 |
| 7 |
|
Go to Step 12 | Go to Step 10 |
| 8 |
|
Go to Step 12 | Go to Step 11 |
| 9 | Test the active front vertical switch signal circuit for a short to voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 16 | Go to Step 13 |
| 10 | Test the front vertical up switch signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 16 | Go to Step 13 |
| 11 | Test the front vertical down switch signal circuit for an open or high resistance. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 16 | Go to Step 13 |
| 12 | Inspect for poor connections at the seat adjuster switch harness connector. 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 |
| 13 | Inspect for poor connections at the DSM harness connectors. 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 |
| 14 | Replace the seat adjuster switch. Refer to Seat Switch Replacement - Power . Is the repair complete? |
Go to Step 16 | - |
| 15 | Replace the DSM. Refer to Memory Seat Control Module Replacement . Is the repair complete? |
Go to Step 16 | - |
| 16 | Operate the system to verify the repair. Did you correct the condition? |
System OK | Go to Step 3 |