How-to: perform Buick 2008 Passenger car GL8 online Service Programming System (SPS) using vxdiag vcx nano for gm/opel j2534 interface. SPS subscription from ACDelco TDS website is required.
Car info:
Buick 2008
Passenger car
GL8 Firstland
(C) 3.0L V6 LZC
Controller:
ECM: Engine Control Module – Programming (Pass -Thru Only)
TCM: Transmission Control Module
PSDM: Power Sliding Door Module – Programming
CCP: Climate Control Panel – programming
Purpose: Reprogram (Normal not VCI)
Using:
J2534 Vxdiag Interface
Login ACDelco for subscription of Service Programming System (SPS)

Procedure:
Login ACDelco TDS.
Click on “Service and Programming Information”.
Choose ” Service Programming Only” and click on “Access your subscription”.







Select Buick car info.
Confirm car VIN.
Select ” ECM: Engine Control Module – Programming (Pass -Thru Only)”, then “Normal”.
Configuration succeed.
Click on “Next” and then “OK” to reprogram with the same calibration.
Transfer data.
1). Download from server
2). Load to ECU.
It may take a long time to finish, please ensure the computer not sleep.
3). Programming complete.
Click on “New”, then “Next”, select ” TCM: Transmission Control Module”, then “Normal”.
Read the reprogramming instruction.
Download from the server completed.
Reprogramming completed with J2534 Vxdiag.
Done.