Acadia FWD V6-3.6L (2007)
Keyless Start Control Module: Customer Interest
Keyless Entry/Starting Systems - Poor Transmitter Range
TECHNICAL
Bulletin No.: 08-08-52-003C
Date: August 05, 2008
Subject:
Limited or Poor Transmitter Range When Using Remote Keyless Entry (RKE) and/or Remote Vehicle Start (RVS) (Add Shielding Foil Tape to Remote
Control Door Lock Receiver Wire Harness)
Models:
2008-2009 Buick Enclave
2007-2009 GMC Acadia
2007-2009 Saturn OUTLOOK
with OnStar(R) (RPO UE1)
and Remote Entry, Extended Range (RPO AP8) or Remote, Keyless Entry, Start (RPO AP3)
Supercede:
This bulletin is being revised to add 2009 model year. Please discard Corporate Bulletin Number 08-08-52-003B (Section 08 - Body and Accessories).
Condition
Some customers may comment on limited or poor transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS).
Cause
This condition may be caused by radio frequency interference (RFI) with OnStar(R) because a section of the remote control door lock receiver (RCDLR)
wire harness is missing the foil wrap shielding tape.
Correction
Notice:
DAMAGE to the left rear quarter trim panel may result if the procedure for the Rear Quarter Lower Trim Panel Replacement is not followed in
SI. Prior to removing the left rear quarter trim panel, make sure that the two hidden screws are removed and the speaker connector is
disconnected from the panel.
Disconnect the OnStar(R) VCIM fuse and test the range for the RVS and RKE. If there is no change in range continue to diagnose the condition
using SI. If the range improves, separate RCDLR circuits 1840, 560 and 650 from left rear body harness; then add shielding 3M Aluminum Foil
Tape 425 Silver, or equivalent, to the RCDLR wire harness using the steps below.
1.
Open the rear liftgate and the rear doors.
2.
Position the second and third row seats to the flip up forward positions.
3.
Remove the rear storage compartment. Refer to Rear Storage Compartment Replacement in SI.
4.
Remove the rear liftgate door sill plate. Refer to Liftgate Door Sill Plate Replacement in SI.
5.
Remove the left rear door sill plate. Refer to Rear Carpet Retainer Replacement in SI.
6.
Remove the left body upper trim panel. Refer to Body Lock Pillar Upper Trim Panel Replacement in SI.
7.
Remove the left and right rear quarter upper trim panel. Refer to Quarter Upper Trim Panel Replacement in SI.
