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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 647 (Power Seat System) >> Diagnostic Information and Procedures >> Power Seat Does Not Tilt Forward (w/o Memory)

Power Seat Does Not Tilt Forward (w/o Memory)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Power Seat Does Not Tilt Forward (w/o Memory)

Step Action Yes No
Schematic Reference: Power Seats Schematics 
IMPORTANT: This table assumes that all mechanical linkage and drivers are free from obstruction and not binding.
1 Did you review the Power Seats System Description and Operation and perform the necessary inspections? Go to Step 2  Go to Symptoms - Seats 
2 Operate the power seat in all directions.
Does the system operate normally?
Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS Go to Step 3 
3
  1. Disconnect the front vertical motor connector.
  2. Connect a test lamp between the front vertical motor control circuit terminals in the harness connector.
  3. Operate the front vertical adjuster switch in both directions.
Does the test lamp illuminate when the switch is activated in both directions?
Go to Step 6  Go to Step 4 
4 Test the front vertical motor control circuits for an open or short to ground. Refer to CIRCUIT TESTING and WIRING REPAIRS .
Did you find and correct the condition?
Go to Step 9  Go to Step 5 
5 Inspect for poor connections at the harness connector of the power seat switch. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS and to CONNECTOR REPAIRS .
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 front vertical motor. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS and to CONNECTOR REPAIRS .
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
7 Replace the front vertical adjuster motor. Refer to Seat Adjuster Motor Replacement - Front .
Did you complete the replacement?
Go to Step 9  -
8 Replace the power seat switch. Refer to Seat Switch Replacement - Power .
Did you complete the replacement?
Go to Step 9  -
9 Operate the system to verify the repair.
Did you correct the condition?
System OK Go to Step 2