2025/02/26

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD

 How-to Guide: Replace and Clone GM 2010-2013 Body Control Module (BCM) using OBDSTAR X300 Classic G3 Full or DC706.

 

Model Example:
Cadillac Liberty 2010 BCM Replacement and Cloning – Full System by OBD – All Steps Successful.
Part Number: 13574844

Applicable Models:
The same procedure applies to 2010-2013 Chevy, Cadillac, Equinox, GMC Terrain, Volt, and similar models.

Chevrolet Equinox 2010
Chevrolet Cruze 2011-2013
GMC Terrain 2010-2011
Cadillac SRX 2010
Buick Regal 2011

and more

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 1

Procedure:

Connect OBDSTAR G3 with vehicle via OBD connector as follows.

NOTE: You can also remove BCM and clone it on bench.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 2

The device detects BCM type as Bosch 70F3385+ 24C16

Select Bosch 70F3385+ 24C16 protocol from the device menu.

Connect to the BCM and read the ECU information.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 3

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 4

The OBDSTAR G3/DC706 will perform the following functions:

    • Read EEPROM/Flash data
    • Write EEPROM/Flash data
    • Read the PIN code
    • Change the VIN
    • Reset the ECU
    • Correct the mileage

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 5

Backup Original Data:

    • First, read and save the EXT EEPROM 24C16 data.
    • Then, read and save the INT Flash 70F3385 data.
    • Read and note down the PIN code for future reference.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 6

Read pin code.

Read and note down the PIN code for future reference.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 7

If need to correct mileage of BCM, hit Odometer Calibration function, verify current mileage and enter new mileage you desire.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 8

If need to change VIN, hit Change VIN function, confirm current VIN number and enter VIN number you desire.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 9

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 10

Replace the BCM:

    • Disconnect the original BCM from the vehicle.
    • Remove the original BCM and install the donor BCM in its place. Match the part number with your original module before purchasing.

 

Program the Donor BCM:

Connect the OBDSTAR G3 device to the vehicle via the OBD socket.

Write the saved EEPROM and Flash data to the donor BCM.

OBDSTAR G3 Clone GM 2010-2013 BCM 13574844 via OBD 11

Disconnect device when cloning is finished.

Done.

 

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