GM Tech2 (SP23-1) Test Results: Yes & No

GM Tech2 (SP23-1) Test Results: Yes & No as well as FAQ. Big thanks to the real users.


GM Tech2 Yes:


GM trucks 1999 and 2013 climate control


H2 Hummer
2003 Chevy Silverado 2500 6.0l 4L80E
diagnose the scan bus, modules and ABS system to determine


2004 Chevy Tahoe LT.


2000 model Holden Jackaroo – isuzu trooper.


GM Chevrolet Corvette after 1996


Crankshaft position sensor relearn procedure


2006 Chevrolet Silverado (truck)


2011 Cadillac SRX yes for programming new or Reprogramming used Liftgate Control Module.


Saab 2003 93 Linear


2003 Chevy 2500HD Duramax w/Allison Trans


GM 99 gmc sierra.


Reprogram theft deterrent on 03 corvette


Diagnose GMC truck with 2008 Isuzu diesel engine c7500 7.8; reset code for the DPF: Confirmed.


2008 saab 9-7x 5.3

Program keys for an 03 Saab 9-3 (Ok for 2003 year, the software is 1998 – 2012)


CASE Re-Learn: confirmed


2000 Chevy Tahoe: tune the fan since these vehicle has a fan cluthch.


Gm light SUVS like the Escalade or Trailblazer: yes


Clear BCM DTC’s
Navigate To Vehicle Control Systems Menu
Select Module Setup
Select BCM Menu
Select BPP Sensor Calibration Procedure


Can test if injectors is good or bad, supports monitor the pressure: Yes


GM Tech2 No:

2008 Saturn Astra


Doesn’t come with dongle crack


2004 Volvo V40: ABS and SRS control system


GM Tech 2 (SP23-1) hasn’t recom rec10, it can’t change for the updated dc to dc converter.


Can’t support 1997 saab.


GM tech 2 error:


Possible reason and solution:

Plugged the SD card into the wrong slot, try another one, it will work.
Q: Can GM Tech2 support the GM after 2007 year? Does it need to work with the other tools?

A: It depends on what car models, the software is not the same.


Q: 1996 Oldsmobile Aurora, click “Yes” to clear the DTC codes, but it failed.

A: Only after the car is repaired, can the DTC codes be erased.


To be continued…