Here is a list of good forums you can use if you have any Tech 2 issues to discuss with fellows.

Tech 2 tech support:

https://www.obd2tool.com/blog/?s=tech2

Tech 2 forums:

http://www.gmforum.com/

http://gmtnation.com/forums/

https://www.corvetteforum.com/forums/

http://www.saabcentral.com/forums/

http://www.firebirdnation.com/forums/

http://www.ls1gto.com/forums/

http://www.gmfullsize.com/forum

http://www.saabcentral.com/forums

http://www.corvetteforum.com/forums/

http://chevroletforum.com/forum/

http://gm-volt.com/forum/

http://www.gmtruckclub.com/forum/

http://www.duramaxdiesels.com/forum/

http://www.forum-opel.fr/

http://www.forum-zafira.com/

http://www.opel-forum.nl/

http://www.tlemcen-electronic.com/forum/

http://www.astraownersclub.com/

http://www.vauxhallownersnetwork.co.uk/

http://www.zafiraowners.co.uk/

http://www.corsa-c.co.uk/

http://www.allcorsa.co.uk/

http://www.vxronline.co.uk/forum/

http://www.astraownersnetwork.co.uk/

http://www.zafira-forum.de/

http://opcom-diagnose.de/forum/

http://www.vx220.org.uk/forums/

http://www.corsasport.co.uk/

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Car model and year: GM Corvette base 2000

Symptom Description: After the ordeal of replacing the damper I get the service active handling and abs warnings. No wiring was damaged and according to a friend’s scan tool the steering position sensor is in working condition.

I don’t recall the codes but I know that my steering rack and steering wheel senor are out of sync. All is well until I turn the steering wheel hard left.

Suggestion and Solution:

If you don’t maintain the steering wheel position to the actual wheel position, you will see the problem that you are seeing.

Someone let the steering wheel turn from the position that it was in when you disconnected the steering shaft from the rack. or moved the actual wheel position when the shaft was disconnected. Now the steering wheel position sensor at the base of the steering column (at the fire wall on the inside of the cab) is out of ZERO alignment.

You will need to disconnect the steering shaft from the rack and either turn the wheels to the correct position or turn the steering wheel to the zero position.

You should really pull up and read the DTCs in the DIC to rule out the NUMEROUS OTHER DTCs that could be causing this issue.

To do this correctly, you need a Tech 2 Scanner or you can get creative and use a multimeter to read the output voltage on the SWPS. It needs to be right around 2.5 ish volts DC to be zero (wheel pointed dead ahead) Once the wheels are dead ahead and the SWPS is 2.5 ish volts, reconnect the shafts again! .

Here are some information for you: Frequently Asked Questions about Tech 2 Scan Tool car diagnostic tool

Q: Can GM Tech2 read VIN?
A: Yes, it can do.

Q: Does gm tech2 do Hummer H3?
A: Yes, it does. GM Tech2 can do diagnose for Hummer h3 model.

Q: Can gm tech2 do airbag resetting for Chev Tahoe 2007?
A: Yes, it can do airbag reset for this model.

Q: Does gm tech2 support Saturn?
A: No, it doen’t.

Q: Does tech2 work 2007 Cadillac Escalade?
A: The software car list includes the Cadillac model.
Q: It can clear the fault code on Saab 2005 1.9 TDi
A: Yes, it can do this

Q: Can this product do coding?
A: Yes,it can do. With TIS2000 software, it can program GM cars before 2007.

Q: GM Tech2 Scanner can support gmc and pontic and saturn car model?
A: YES.

Q: Can GM Tech2 send commands to the various modules and is it able to do diagnostics on a climate control programmer?
To what year is the scanner effective? I own a 1997 Cadillac DeVille and a 2001 Chevrolet Venture.
A: Yes, you can use GM TECH2 to diagnose climate control programmer, when it has communication GM Tech2 can send commands to the modules.

Q: Can it do key coding and control unit programming for all Opel and Isuzu?
A: GM TECH 2 can’t do key coding, but can diagnose for most Opel and Isuzu from 1992-2011

Q: Does the tech2 includes the dongle?
A: For this GM Tech2, it has no dongle included by default.
If you need the dongle and do coding, you could buy tis2000 CD USB Key.

Q: It can work on windows7?
A: No, it can only work on Windows XP.

Q: Does it support for K-LINE?
A: Yes, it does

Q: Whether this item can program Opel, SAAB and Suzuki?
A: No, it can only do programming for GM cars before 2007; can not do programming for Opel, SAAB and Suzuki.

Q: Can GM Tech2 Scan Tool work diagnose 2005 GMC – Sierra 1500 truck?
A: Want to use our GM tech2 to diagnose truck, you need to buy an additional truck adapter, because our GM tech is compatible with truck, but only packed with the car adapter.
Q: I bought one GM TECH2 and the TIS2000 software can’t be installed and no identification, what’s the problem?

A: If the TIS2000 you are trying to install is contained in the GM TECH2 software, then it is useless to install TIS2000 software. To program electronic control unit, I advise you to buy an extra TIS2000 to work with GM tech2.

Q: After receiving GM TECH2, I got some errors.
A: If it is the Blue screen, just replace the Blue Screen Chip. If it is not the problem of Blue screen, please send us the self-test report to check where the problem is;
have no idea on how to operate self-test? Refer the self-test manual at GM TECH2 “technical support/service”.

Q: GM TECH2 one button doesn’t work how to fix?
A: If you have new version GM tech2, there are two ways to solve:
1) we send you a new button to replace;
2) please send back to repair.
If you have old version GM tech2 installed with the newest software, the button maybe won’t work.

Q: When I use Car Scanner GM TECH2 for the second times, the tool starts to smoke, and my car voltage become 14V from 12V, what’s the matter?
A: Please follow the correct operation steps: before diagnosing, turn on the ignition and then connect the GM TECH2 with the car, when the car starts you’d better test the voltage, because during this process a part of cars’voltage will reach up to 24V or more, especially the car which has a poor contact of electrical ground.

Success!

Steps to program key fob to 2006 Chevrolet HHR with Tech 2 clone:

Install the GM Tech 2 Scan Tool
Turn ON the ignition with the engine OFF
Power On the Scan Tool
Hit Enter
Main Menu > F0: DIAGNOSTICS
Vehicle identification – Model Year > (9) 2009
Vehicle identification – Product Type > Passenger Car
Vehicle identification – Product Make > (1) Chevrolet
Vehicle identification – Product Line > A
Diagnostics > F6: Body and Accessories
Vehicle identification – Service Categories > Keyless Entry
Body and Accessories > F5: Module Setup
Module Setup > F0: Body Control
Body Control Module > F0: Program Key Fobs
Program Key Fobs > F0: Invalidate all key fobs

I think that is the perfect excuse for me to buy an LT4 equipped Corvette.

Here is what I found tonight.

OBD I only has 1 ground, so 12 pin adapter connects signal and chassis ground to the GM Tech 2 Scanner cable.

OBD II has chassis and signal ground and they are connected in the cars wiring.

How I was trying to get CANdi module to work:

Nothing on CANdi end of cable.

Boot screen not showing CANdi present, diagnostics for CANdi says it isn’t seen.

Here I connected OBD I adapter to end of CANdi cable:

OBD I adapter connected.

CANdi module shows up at boot screen.

Green LED flashes about once every second.

Diagnostic screens for CANdi now present. Hit ENTER, 4, 7 to get to this screen.

POST Results.

Self Test Results.

The weird looking screen is because I have not removed the protective plastic yet.

355The Candi Module should not plugged into your GM Tech2 unless you’re working on a later car ..generally 2005 plus. Olders car from 96 should NOT have the Candi Module attached.

OBD I only has 1 ground, so 12 pin adapter connects signal and chassis ground to the Tech 2 cable.

OBD2 has chassis and signal ground and they are connected in the cars wiring.

How I was trying to get GM TECH2 CANdi module to work:
Nothing on CANdi end of cable.

Boot screen not showing CANdi present, diagnostics for CANdi says it isn’t seen.

Here I connected OBD I adapter to end of CANdi cable:
OBD I adapter connected.

CANdi module shows up at boot screen.

Green LED flashes about once every second.

Diagnostic screens for CANdi now present. Hit ENTER, 4, 7 to get to this screen.

POST Results.

Self Test Results.
The weird looking screen is because I have not removed the protective plastic yet.

Tech 2 Full Set With All the Accessories Without Plastic Box

Software list:
1.GM:
GM-English        33.004  1991-2013
GM-Spanish       32.007   1991-2013
GM Germany      32.007  1991-2013
GM Franch          32.007 1991-2013
GM Portuguese  32.007  1991-2013
2.OPEL:
OPEL-English    173.00 1997-2013
OPEL-Germany 167.00 1997-2008
OPEL-Spanish   133.001 1997-2012
Opel -Italian         133.001 1997-2012
3.Suzuki:
SUZUKI-English   01.210.02   2001
4.SAAB:
SAAB-English      148.000 1998-2012
5.Holden:
HOLDEN-English   139.000  1999-2012
HOLDEN-Australia 143.000  1999-2012
6.Isuzu:
Isuzu-English          11.620 1998-2011

Product Description:
GM Tech-2 PRO Kit is the same tester GM Technicians use to diagnose GM vehicles. The Car Diagnostic Tool comes with Authentic GM software and provides support for on-board diagnostics on all GM systems 1992 thru 2008——  only do diagnostic function

Gm tech two product Features:
1.Authentic GM software in the Tech  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—- means only do diagnostic function
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  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 diagnosis.

Tech two Product Specifications:
– Vetronix Tech Scanner Specifications
– Dimensions:12x6x2cm
– Microprocessor:32 bit, 16 MH
– Memory:32 MB flash type II PCMCIA. Type III slot available for future expansion
– Communications:Integral RS232 communication port
– Screen:3.8×2.8 backlit monochrome with full graphics
– Capability:320×240 pixels. Displays up to 9 vehicle parameters at once

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 Flash and a CAN diagnostic interface module. The module connects between the Tech Flash’s 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.
(1) (GM,opel,SAAB,Isuzu,Suzuki,Holden) card for your choose
(2) Full set not include tis2000, if you need , you need buy , please know this
(3) We send you CD it is tis2000 software as a gift
(4) Comes with a vci module and card that we put inside main unit

GM vehicles utilize the CANdi module 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)

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

Ability to capture stored DTCs, Freeze Frame, and Failure Record for later review.
Ability to view the status of vehicle diagnostic tests as they run.

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

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

Specification:
Microprocessor: 32 bit,16 MHz
Memory: 32 MB flash type II PCMCIA. Type III slot available for future expansion.
Communications: Integral RS232 communication port. Screen: 3.8.8 backlit monochrome with full graphics
capability: 320,40 pixels. Displays up to 9 vehicle parameters at once .
Memory:32 MB flash type II PCMCIA. Type III slot available for future expansion.
Communications:Integral RS232 communication port. Material: Plastic.
Size: Approx.31cm/12.20inch x 16cm/6.29inch x 5cm/1.97inch.
Warm tips:
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 module interface

Package Included:
1 x Obd2 diagnostic tool Tech-2 Flash Tester
1x candi interface
1 x 32 MB PCMCIA Card with OE Applications
1x RS323 self test adapter(We will provide adapter according to delivery country)
1x GM 3000100 HP 5063-3258 MADL IN USA
connector 1x GM 3000101 HP 5063-3290 MADL IN USA connector
1x GM 3000098 VTX 02002955 connector
1x GM 3000099 VTX 02002961 connector
1x GM 3000109 VTX 02002953 connector
1x Light colour connector (pictured)
1x GM 3000097 VTX 02002956 cable
1x GM 3000095 cable
1x Internet cable
1x Ignition cable
1 x RS232 cable and user`s manual
NO Retail Box. Packed Safely in Bubble Bag.