Monday, November 30, 2015

How to unlock Chevy TrailBlazer radio using GM Tech2

I have successfully unlocked the radio on my Chevy TrailBlazer with a clone GM Tech2 scan tool from China yesterday. Here I would like to share the procedure.
If you also like to unlock the radio, please complete the following procedure, using the Tech 2 scanner, in order to properly set up communication:
Connect Tech2 to the OBD port of the vehicle. When the screen of the tool illuminates, it means the tool hooks up with the car. Then you can start the process:
  1. Go to the main menu and select: Diagnostics.
  1. Select Vehicle Identification and then the following options:
– Model Year
– LD Trk, MPV, Incomplete
  1. At the System Selection Menu screen, select: Body
  1. At the Vehicle Identification screen, select the following:
– Appropriate model
– Appropriate Air Conditioning
– Navigation Radio
  1. Select: Navigation Radio.
  1. Select: Special Functions.
  1. Select: VIN Relearn.
  1. Then you will get a message: “Do you want to clear radio theft information?”
  1. To begin clearing, press the soft touch key on the top right of the scan tool. The scan tool will display “Clearing Radio Theft in Progress.”
  1. Press EXIT on the scan tool and cycle the ignition.
Done. Disconnect GM Tech2 from the car.

Sunday, November 29, 2015

Reset GM Nav radio TheftLock with Tech2 scanner in 10 steps

Here is the step-by-step instruction on clear radio theftlock for GM (GM, SAAB, OPEL, SUZUKI, ISUZU and HOLDEN) models with GM Tech 2 scan tool.

Tools needed:
GM Tech2 diagnostic scan tool

Tech II Theft-lock procedure:
Well setup CANDI module with Tech 2 main unit, connect Tech2 scanner with vehicle 
1.       Select “Diagnostics” at the Main Menu screen
2.       At the Vehicle Identification screen, select the following options:
– Model Year >>> (radio came from an 04 Escalade or whatever)
LD Trk, MPV, Incomplete;
3. Select “Body” at the System Selection Menu screen
4. At the Vehicle Identification screen, select the following:
          Appropriate model
          Appropriate Air Conditioning
          Navigation Radio
5. Select “Navigation Radio” at the “Body” screen
6. Select “Special Functions” at the “Radio” screen
7. Select “VIN Relearn” at the “Special Functions” screen
8. At the “VIN Relearn” screen, the Tech2 will display “Do you want to clear radio theft information?”
9. To begin clearing, press the soft touch key on the top right of the scan tool. The scan tool will display “Clearing Radio Theft in Progress.”
10. Press “EXIT on the scan tool and cycle the ignition.
1.       The radio theft will learn the VIN. Without learning the VIN, the radio will display a locked message (LOC or LOCKED).
2.       Another way is to see if the sound works by installing the radio, and not turning the key to ON, just ACC. that will work the radio for a test.

GM Tech2 Scanner Reset OPEL Corsa-C ECU & IMMO

Here is the instruction on how to reset Reset OPEL Corsa-C ECU and IMMO with GM Tech 2 diagnostic scanner.


Car Model and Year:
OPEL Corsa-C 2005

IMMO Resetting Steps:
Step 1:
Plug GM TECH II cable into OPEL Corsa-C socket;
Boot up GM Tech2 diagnostic tool;
Step 2:
Enter into Main Menu;
Click Diagnostics to select car model and year;
Click Body >> Immobilizer >> Partnumber >> Additional Functions >> Reset Immobilizer, next you need to enter security code.

Step 3:
Operate according to the tips, until it appears message reading “Reset Immobilize. Reset completed successfully!” It is Okay.
ECU (Engine) Resetting Steps:

Step 1:
Come back to Additional Functions interface;
Select Reset Engine Control Module;
Select Installed Engine
Wait for the data;
Step 2:
Enter Security Code;
Pop out message reading “Reset Engine Control Module. Reset Completed Successfully”, it is Okay.
Step 3:
Come back to Body (interface);
Select Programming >> Program Immobilizer Function:
Select Installed Engine;
Select Immobilizer and ECM Installed;
Enter Security Code;
Enter Vehicle Identification Number
Show message to turn ignition off and then on.

Friday, November 13, 2015

GM Tech2 scanner RS232 cable self test guide

If you need to run TIS2000 software on PC, you have to connect GM Tech2 scanner using the RS232 cable with the DB9 Adapter to a serial COM Port at the PC. If you cannot get the Tech 2 scan tool connect to PC or fail to communication well, the best way is to connect the RS232-DB9 adapter correctly and then run a RS232 self test.
GM Tech2 gm diagnostic scanner comes with several connectors, including a RS232 cable and RS232-DB9 adapter (mark red circle below)
1) Follow the cable pinout to connect the cable correctly
Tech2 DB9-JR45 RS232 cable adapter pinout

BD-9 to RJ45
9——–not connected

2) Then do a RS232 cable self test
How to do Tech 2 RS232 self test?
1. Power up the Tech2. Connect RS232 cable with Tech II scanner main unit.
2. Come to main menu. Select F4:Tool Options
3. Select F3: Self Test
4. Follow the system prompts:
Before running the Tech 2 self test:
CANdi interface must not be connected
ALDL loopback should be connected
Failure to follow these instructions may invalidate the self test
Press EXIT to continue
5. Select F3: Selectable main PCB
6. Select F2:RS232 LoopBack
7. Tech2 RS232 cable self test has passed

If RS232 cable passes self test, the commutation between Tech2 scanner and PC is well built.

Thursday, November 12, 2015

GM Tech II Tech 2 Diagnostic Scanner Overview

The GM Tech 2 diagnostic tool is the dealer level diagnostic scan tool for GM group (GM, Saab, Opel/Vauxhall, SUZIKI, Holden etc).The Vetronix Tech 2 contains Authentic GM software and provides support for on-board diagnostics on all GM systems 1992 thru 2011. Tech II has been around since the 1980's. It has been the flagship diagnostic tool and programming device for many many years. it continues to be a valuable part of the GM dealership stable because its quick, efficient, and works great!

TIS2000 for GM can programming GM Models before 2007 year. (GM TIS2000 comes with the parcel, no need buy alone)
TIS2000 for SAAB can programming SAAB Models before 2007 year. (SAAB TIS2000 Need Buy Alone)
Multi-Language: English/ German/ Spanish/ Japanese/ French/ Italian

Comparison Among Our Five GM Tech2 Tool:

Item NumberPackageWeightHot Degree
SP23Plastic Box9.10KG★★★★★
SP23-B3Carton Box3.50KG★★★★☆
SP23-BPlastic Box9.10KG★★★☆
SP23-CPlastic Box9.10KG★★★★
SP23-1No  Box4.60KG★★★☆

GM Tech2 Candi Connection Display:

GM Tech2 No Candi Connection Display:

Software Version:

For GM
GM-English 32.008 1991-2013
GM-Germany 32.008 1991-2013
GM-Spanish 32.008 1991-2013
GM-Japanese 32.008 1991-2013
GM-French 32.008 1991-2013
GM-Thai 32.008 1991-2013
GM-Portuguese 32.008 1991-2013
GM-Korean 32.008 1991-2013

SAAB-English 148.000

OPEL-English V165 1997-2014
OPEL-Italian 133.001 1997-2012
OPEL-Germany 85.001 1997-2008
OPEL-Spanish 91.001 1997-2009

For Holden
HOLDEN-English V149 1999-2013

SUZUKI-English 01.210.020

ISUZU-English CAN-BUS 107.021 2010- (CAN-BUS support car models after 2010)
ISUZU-English K-Line 11.62 1996-2013 (K-line support car models from 1996 to 2011)

GM TECH2 Features:

1) Authentic GM software in the Tech 2 Flash means the most comprehensive diagnostic software available for late model GM vehicles.

2) Support for on-board diagnostics on all GM systems 1992 thru current year.

3) Removable hardware modules provide insurance against scan tool obsolescence.

4) Large, easy-to-read backlit screen.

5) RS232 & RS485 ports provide the avenue to connect future devices to your Tech 2 Flash.

6) Ability to capture stored DTCs, Freeze Frame, and Failure Record for later review.

7) Ability to view the status of vehicle diagnostic tests as they run.

8) Bi-directional The authentic GM 1992-current year software will provide full bi-directional control when performing power train, chassis, and body diagnostics.

Vetronix Tech 2 Specifications:

1) Microprocessor: 32 bit,16 MHz

2) Memory: 32 MB flash type II PCMCIA. Type III slot available for future expansion.

3) Communications: Integral RS232 communication port.

4) Screen: 3.8.8 backlit monochrome with full graphics capability: 320,40 pixels. Displays up to 9 vehicle parameters at once .Download Tech2 Brochure (5.2 Mb)

An industry change in protocol from OBD II to Controller Area Network (CAN) has begun. In order to perform diagnostics on a vehicle that uses the CAN interface;

You will need the Tech 2 Flash and a CAN diagnostic interface module. The module connects between the Tech 2 Flashs diagnostic link cable and the OBD adapter.

Once the module is connected, it can be used on all GM vehicle applications,even those vehicles using other platforms such as OBD I and OBD II.

GM vehicles utilize the CANdi interface
05 Buick Allure (3.6L)
05 Buick LaCrosse (3.6L)
05 Buick Rainier (5.3L)
04-05 Buick Rendezvous (3.6L)
04-05 Cadillac CTS (3.6L)
04-05 Cadillac SRX (3.6L / 4.6L)
04-05 Cadillac XLR (4.6L)
05 Cadillac STS (3.6L / 4.6L)
05 Chevrolet Cobalt (2.2L)
05 Chevrolet Corvette (6.0L)
05 Chevrolet Equinox (3.4L)
05 Chevrolet TrailBlazer (5.3L)
05 Chevrolet SSR (6.0L)
04 Chevrolet Malibu (Body/Chassis only)
05 Chevrolet Malibu (3.5L)
05 GMC Envoy (5.3L)
05 Pontiac G6 (3.5L)
05 Pontiac GTO (6.0L)
05 Pontiac Pursuit (2.2L)