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Discussion Starter · #1 ·
Hey all:

I picked up my 06 G6 GTP Gray Coupe tonight and noticed it had Borla Tips. Looked under it and also has the Borla muffler.

So how can I tell if it had a modified ECM before I spend the money to have it done? I figured if someone spent the money to have the exhaust done then a good chance they had the computer done also.

Also I had them run all the data of every time it was in the shop. Here are 2 thnigs that are making me think maybe it has been done.

5/27/2008: J6354- POWERTRAIN CONTRTOL MODULE ENGINE REPROGAMMING WITH SPS.

8/18/200: K7557- FORWARD BAND REPLACMENT.

Any thoughts or suggestions on how I can find out if it has been moddified.

Thanks
 

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Re: Tsb
Subject:LX9 Engine Only, Intermittent Extended Crank Time on Hot Engine Restart, Starter Motor May Not Disengage After Engine Start (Reprogram PCM) #06-06-04-049 - (09/22/2006)

Models:2005-2006 Buick Rendezvous, Terraza
2004-2006 Chevrolet Malibu, Malibu Maxx
2005-2006 Chevrolet Uplander
2005-2006 Pontiac G6, Montana SV6
2005-2006 Saturn Relay
with 3.5L V6 Engine (VIN L, 8 -- RPO LX9)


Attention: This bulletin only applies to vehicles with EGR valves produced by Delphi. Vehicles built with Seimens EGR valves (production or service) already have the latest calibration.

Important: The PCM calibration to address this concern for 2006 vehicles listed in this bulletin will be available in the October 2006 broadcast.

Condition

Some customers may comment on an intermittent extended crank time on hot engine restart and the starter motor may not disengage after engine start.

Correction

Important: Before reprogramming the PCM, verify the customer concern. Refer to Diagnostic System Check - Vehicle in Vehicle Control Systems in SI. Follow the diagnostics for a possible cause of an extended crank time in hot engine restart. If no trouble is found, reprogram the PCM.
Reprogram the PCM with the latest calibrations if the above concern is encountered. An updated PCM calibration is now available to address this concern. This calibration, or any that follow, is designed to address this concern. Refer to Service Programming System (SPS) using the appropriate Service Information (SI) procedures. The new PCM calibrations will be available to dealerships in TIS2Web (website version of TIS) version 9.5 for 2006 beginning 9/18/06. If you cannot access the calibration, call the Techline Customer Support Center at 1-800-828-6860 (English) or 1-800-503-3222 (French) and it will be provided. As always, make sure your Tech 2® is updated with the latest software version.

Warranty Information

For vehicles repaired under warranty, use:
Labor Operation
Description
Labor Time
J6354
Module, Powertrain Control - Engine Reprogramming with SPS
Use Published Labor Operation Time
 
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