GM Tech II Tech 2 Scanner

Wednesday, March 6, 2019

GM Tech 2 self test for CANdi, RS-232, VCI, Keypad

Manual: How to do GM Tech 2 clone scanner self test step-by-step

VCI self test

Keypad self test

CANdi self test

RS-232 self test

Follow the instruction in detail…

Part 1: Tech2 VCI self test

Insert the GM card

Connect the adapter and ready for the self test

Go to the main menu and select F4: Tool options

F3: Self test

Exit to continue

Select the function for self test

Here, press F2: Automated VCI

The VCI module self test result

Passed VCI selftest.

Part 2: GM Tech II Keypad self test

Go to the Tech 2 menu and select F4: Tool options

Then F3: Self test

Before running the Tech 2 self test:
(1) Candi cannot be connected
(2) Aldl loopback should be connected (GM3000109)
(3) Failure to follow these instructions may invalidate the self test

F3: Selectable main pcb

Press Keypad

And press key

Note: In the last image, the actual key pressed is F0 and the final result is PASS – that’s normal

When you test the keypad, press F0-F1-F2-F3-F4-F5-F6-F7-F8-F9-EXIT-ENTER-in a good order! DO NOT SKIP ANY ONE.

Part 3: Tech 2 scan tool CANDI module self test

VERY IMPORTANT: Pls make sure of the connection of the OBD adapter, OBD main cable, CANdi module, Tech 2 scan tool and the power supply — ALL should be good

The power should be connected by the OBD port for CANdi self test.

F4: Tool options

F7: CANdi diagnostics

F0: POST result

Test status

F1: Self test

CANdi self test result

Pass selftest

There are two test results for CANdi module.

The one is Figure 8, and the other is Figure 10.

Part 4: GM Tech2 scanner RS232 self test

Check the connection before R232 self test

F4: Tool options

F3: Self test

Exit to continue

F3: Selectable main PCB

F2: Rs-232 loopback

Rs232 test: Passed!

GM Tech 2 scanner tech support from http://www.obdii365.com/

http://www.obdii365.com/service/gm-tech2-vci-keypad-rs232-and-candi-self-test-guide-109183.html

Tuesday, February 26, 2019

How to reflash Suburban 2007 with Mangoose Pro GM 2

GM reflashing instruction using Mangoose Pro GM 2:

GM products are one of the easiest to reflash. You do not need a factory hardware to use the factory software to reflash any module on the vehicle. You can take a Drew Tech Mongoose II (original) or a Mangoose Pro GM II (china clone of high quality) in the shop, because it doubles as the factory interface for vehicles that use the Tech 2, as well.

After paying for the subscription ($55 for three days) and choosing SPS (Service Programming System), simply choose the Mangoose cable and start reflashing.

Model example: Chevrolet Suburban 2007

This is the how-to’s:

Step 1: Enter in all of the parameters that describe the vehicle. Always remember to click “Next” on the bottom right of the screen.

Step 2: Double check you have the right VIN.

Step 3: Choose the module you want to reprogram. Only reprogram a module in response to a TSB

Step 4: Usually, the program will give you options for different software depending upon what options the vehicle has. When in doubt, call your parts guy at the dealer.

Step 5: The current calibration is to the right while the new one is to the left on the bottom of the list of Calibration IDs.

Step 6: Right before you begin the reflash, SPS tells you what the Calibration IDs will actually correct. This is a good way to verify that you will actually be addressing the issue at hand.

Step 7: Always follow any instructions before a reflash! For older GMs, you might have to pull fuses to modules (commonly the ABS and BCM) in order to avoid reflash failures.

That’s all about GM reflash process. If the process freezes up or fails, don’t panic. GM modules generally can be reflashed until you get them right. Believe it or not, a fast computer might do a bad job reflashing an old GM. Just keep trying to reflash the vehicle, and if you have to open a bunch of other programs in the background to slow down the computer.