Interior - Erratic Adjustable Pedal Operation/DTC B3606
Bulletin No.: 05-08-143-001Date: January 13, 2005
TECHNICAL
Subject:
Adjustable Foot Pedals Will Not Recall to Pre-Selected Position and/or Heated Seats Inoperative, Diagnostic Trouble Code (DTC) B3606 (Replace Brake Pedal Position Sensor)
Models:
2005 Buick Rainier
2005 Cadillac Escalade, Escalade ESV, Escalade EXT
2005 Chevrolet Avalanche, Suburban, Tahoe, TrailBlazer
2005 GMC Envoy, Yukon, Yukon XL
with Seat Heated FRT, Individual (RPO AN3) and/or Power Adjustable Pedals (RPO JF4)
Built Between the Build Dates shown.
Condition
Some customers may comment that the adjustable toot pedals do not return to the pre-selected position and/or the heated seats are inoperative.
Scan tool diagnosis may reveal a DTC B3606 set.
Cause
The brake pedal position sensor may be the cause.
Correction
1. Inspect the date code on the brake pedal position sensor. The suspect brake pedal position sensor date codes are between 334-394.
^ If the brake pedal position sensor date code is NOT within the suspect codes, refer to the appropriate SI diagnostic information for the customer's concern.
^ If the date code is within the suspect date code, continue with the next step.
2. Replace the brake pedal position sensor. Refer to the following information:
^ Full size trucks - Brake Pedal Position Sensor Replacement.
^ Mid size utilities - Brake Pedal Position Sensor Replacement.
3. Verify that the repair is complete.
Parts Information
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use the table.
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