The latest software update (V18.00) for the CH-47976 Active Fuel Injection Tester (AFIT) has recently been released. The software should be downloaded to ensure proper functionality of the AFIT. It includes testing data for all vehicle programs launching through July 2023.
The software update includes:
- PC Application Software V4.0 (Windows 10/7 compatible)
- MCU Firmware V3.45
- 2024 MY Database V20.00 (includes applications up to STC July 17, 2023)
- DMU Firmware V1.31
For dealerships using Windows 10, the GMDE-approved Bosch USB-to-Serial Cable CH-47976-3A is required and fully compatible for the AFIT.
Software Download
The AFIT software update is available through the GM GlobalConnect app (U.S. only) Special Tools and Software Updates. From the software downloads page, select the link for AFIT (Active Fuel Injector Tester) Software Update – V18.00 January 2023 and follow the instructions. (Fig. 4)
In Canada, the software is available for download through the Service Application selection of GM Special Tools & Equipment – Software Updates in GM GlobalConnect.
Fig. 4
AFIT Update Instructions are available on the GM Tools and Equipment website under the Support Documents link for the software download.
For questions regarding the software release, contact Bosch Automotive Service Solutions Technical Support at 1-800-GM-TOOLS (1-800-468-6657).
– Thanks to Zach Winters
An AFIT adapter for the 6.2L engine (LT4) in the CT5-V is not available and the engine will not be supported by the AFIT kit. To help with fuel injector diagnosis, perform a fuel injector balance test using a scan tool.
Will there be any support for CT5 V with 6.2?