Product Overview
This BitBox software module is designed for reading and writing GM ACDelco Gen1 ECUs used in petrol-powered General Motors vehicles. It operates through the OBD2 connector via the CAN-bus, providing a reliable and efficient method for ECU calibration.
Manufacturer: BitSoftware
Product Number: MK23056
Core Functionality: Supports reading the FullFlash and writing the calibration area with automatic checksum correction upon writing.
Supported ECU Types
The following Gen1 ECU families are currently supported by this module:
| ECU Type | FID | Microcontroller (MCU) | Flash Size | Read/Write Time |
| GM ACDelco E38 | 96 | Motorola MPC561 (External) | 2.0 MB | 3–5 Minutes |
| GM ACDelco E39 | 100 | Motorola MPC5566 (Internal) | 3.0 MB | 3–5 Minutes |
| GM ACDelco E39A | 97 | Motorola MPC5566 (Internal) | 3.0 MB | 3–5 Minutes |
| GM ACDelco E67 | 99 | Motorola MPC565 (External) | 2.0 MB | 3–5 Minutes |
| GM ACDelco E78 | 94 | Motorola MPC5566 (Internal) | 3.0 MB | 3–5 Minutes |
| GM ACDelco E80 | 102 | Motorola MPC5676 (Internal) | 6.0 MB | Standard speed |
| GM ACDelco E83 | 91 | Motorola MPC5565 (Internal) | 2.0 MB | 3–5 Minutes |
| GM ACDelco E92 | 98 | NXP SPC5674 (Internal) | 4.0 MB | 3–5 Minutes |
Technical Requirements
To use this module, you will need the following professional hardware:
BitSoftware USB Security Dongle: Required to host and activate the software license.
J2534 Pass-Thru Device: A compatible interface (such as Tactrix Openport 2.0) is necessary for CAN-bus communication via OBD2.
Related products
BitBox GM ACDelco Petrol Gen2 CAN
BitBox GM ACDelco Petrol Gen1 CAN
BitBox Module GM Diesel CAN
BitEdit GM ACDelco E92
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