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HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 33 (ADJUSTABLE PEDAL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESADJUSTABLE PEDALS INOPERATIVE (WITH MEMORY)
2009 Chevrolet Tahoe Base, 4.8 C

Adjustable Pedals Inoperative (with Memory)

2009 Chevrolet Tahoe Base, 4.8 CSECTION Adjustable Pedals Inoperative (with Memory)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Adjustable Pedals Inoperative (with Memory)

Step
 		 Action Yes No
Schematic Reference: Adjustable Pedal Schematics 
Connector End View Reference: Adjustable Pedal Connector End Views 
DEFINITION: All of the seat adjuster motors are inoperative, the lumbar and bolster motors may also be inoperative.
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2 Verify the fault is present.
Does the system operate normally?		 Go to Testing for Intermittent Conditions and Poor Connections Go to Step 3 
3
  1. Install a scan tool.
  2. Observe the Adjustable Pedal Switch parameters in the driver position module data list.
Do any of the Seat Adjuster Switch parameters display Active?		 Go to Step 7  Go to Step 4 
4 Operate the adjuster switch in both directions.
Does the scan tool display the correct switch status parameters in relation to the actual switch positions?		 Go to Step 9  Go to Step 5 
5
  1. Disconnect the adjuster switch connector.
  2. Using a DMM test for battery voltage at the switch supply voltage circuit terminal in the harness connector.
Is battery voltage present on the switch supply voltage circuit?		 Go to Step 8  Go to Step 6 
6 Test the switch supply voltage circuit for an open or high resistance. Refer to Circuit Testing and to Wiring Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
7
  1. Disconnect the adjuster switch connector.
  2. Test the active switch signal circuit for a short to voltage. Refer to Circuit Testing and to Wiring Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 9 
8 Inspect for poor connections at the adjuster switch connector. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 10 
9 Inspect for poor connections at the driver position module connectors. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs .
Did you find and correct the condition?		 Go to Step 12  Go to Step 11 
10 Replace the adjustable pedal switch.
Is the repair complete?		 Go to Step 12  -
11 Replace the driver position module. Refer to Control Module References for replacement, setup, and programming.
Is the repair complete?		 Go to Step 12  -
12 Operate the system to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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