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obdstar tcm 019 gm 6l45 50 80 90 16 pins tcm 15 pins db15 adapter cable passenger carThe OBDSTAR TCM 019 adapter cable is designed to establish a direct connection with the Transmission Control Module (TCM) of General Motors. This cable connects the specific 16 pin connector of the GM 6L45, 6L50, 6L80, and 6L90 automatic transmissions to a standard 15 pin DB15 interface. This makes it possible to connect the control unit directly via a workbench setup for complex diagnostic procedures and targeted data transfer. Within the diagnostic
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The OBDSTAR TCM-019 adapter cable is designed to establish a direct connection with the Transmission Control Module (TCM) of General Motors. This cable connects the specific 16-pin connector of the GM 6L45, 6L50, 6L80, and 6L90 automatic transmissions to a standard 15-pin DB15 interface. This makes it possible to connect the control unit directly via a workbench setup for complex diagnostic procedures and targeted data transfer.

Within the diagnostic context, this adapter facilitates exact power supply and data communication for reading and writing internal transmission software. Due to the OEM-specific pin configuration, CAN-bus signals are transmitted stably and without data loss between the disconnected module and the diagnostic equipment. The wiring is calibrated to ensure constant voltage during critical programming processes. This cable is exclusively compatible with OBDSTAR readers or programmers.

ADVANTAGES

Enables a direct bench connection without needing to install the transmission in the vehicle.
Ensures interference-free transmission of CAN-bus data during flashing.
Robust DB15 connector for secure anchoring to the programmer.

ATTENTION POINTS

Exclusively designed for and compatible with OBDSTAR programmers.
Only applicable to the specific GM 6L-series automatic transmissions.

Applications and functionalities

This adapter cable offers the following technical functionalities when working on GM transmission control units via a workbench setup:

  • TCU Cloning: Duplicating the complete firmware and calibration data to a new or replacement transmission control unit.
  • Software flashing: Overwriting or updating the existing software within the automatic transmission.
  • Direct communication: Reading specific fault codes (DTCs) and real-time data directly from the disassembled module.

Compatible vehicles and applications

The adapter cable is designed for use with GM 6L45, 6L50, 6L80, and 6L90 transmissions, which are found in the following vehicle brands:

Cadillac:

  • Models with 6L-series TCM: (2006 - present)

Chevrolet:

  • Models with 6L-series TCM: (2006 - present)

Daewoo:

  • Models with 6L-series TCM: (2006 - present)

GMC:

  • Models with 6L-series TCM: (2006 - present)

Holden:

  • Models with 6L-series TCM: (2006 - present)

Hummer:

  • Models with 6L-series TCM: (2006 - 2010)

Pontiac:

  • Models with 6L-series TCM: (2006 - 2010)

UAZ:

  • Models with 6L-series TCM: (2019 - present)
💡
Good to know: Always ensure a stable external power supply when reading the TCM on the workbench. Voltage drops during the cloning or flashing process can result in irreparable data corruption in the control unit.

Package Contents

  • 1x OBDSTAR (TCM-019) | GM (6L45/50/80/90) 16-pin TCM – 15-pin DB15 Adapter Cable | Passenger Car

obdstar tcm 019 gm 6l45 50 80 90 16 pins tcm 15 pins db15 adapter cable passenger car

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