OBDSTAR | SKU: TCM-018 / 7.40.2

OBDSTAR (TCM-018) | GM (6L30/35/40/45/50) 14-pins TCM – 15-pins DB15 Adapter Cable | Passenger Car

Name: OBDSTAR (TCM-018) | GM (6L30/35/40/45/50) 14-pins TCM – 15-pins DB15 Adapter Cable | Passenger Car
Brand: OBDSTAR
SKU: TCM-018 / 7.40.2
Price: 24.75 EUR
Availability: OutOfStock

€24,75 incl.

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The OBDSTAR TCM-018 adapter cable connects the specific 14-pin diagnostic port of General Motors transmission modules directly to a 15-pin DB15 interface. This physical connection is required to establish communication between the Transmission Control Module (TCM) of GM 6-speed automatic transmissions (such as the 6T and 6L series) and diagnostic equipment. The adapter cable allows the electronic unit to be connected directly on the workbench.

This cable facilitates the bidirectional transfer of data and power signals necessary for performing complex bench operations via the CAN-bus protocol. The direct pin-to-pin configuration eliminates the need to work through the regular OBD2 port or vehicle wiring harness, ensuring stability during flashing or cloning of the module. The adapter cable is exclusively compatible with OBDSTAR diagnostic equipment and specific OBDSTAR programmers.

ADVANTAGES

✔ Provides a stable and direct connection to the TCM module for bench work.

✔ Ensures reliable signal transmission thanks to the industrial DB15 connector.

✔ Eliminates possible signal interference by not relying on the vehicle wiring harness.

ATTENTION POINTS

✕ Works exclusively in combination with OBDSTAR programmers.

✕ Only designed for specific GM transmission systems with a 14-pin configuration.

Applications and functionalities

This adapter cable supports specific technical operations on transmission modules via a bench connection.

Data reading and writing: Facilitates reading the original firmware and writing new software files to the TCM.
Module cloning: Supports the data transfer necessary when replacing or duplicating defective transmission units.
Bench diagnosis: Enables direct access for checking system parameters and reading fault codes on the workbench.

Compatible vehicles and applications

The adapter cable is designed for connecting General Motors (GM) TCM modules of the 6T30, 6T35, 6T40, 6T45, 6T50 types and related 6L series.

Buick:

Various models: (Equipped with the above-mentioned GM 6-speed automatics)

Chevrolet:

Various models: (Equipped with the above-mentioned GM 6-speed automatics)

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Good to know: Check in advance that the physical pin-out of the specific General Motors TCM module exactly matches the 14-pin connector of the cable to avoid communication errors.

Package Contents

1x OBDSTAR (TCM-018) | GM (6L30/35/40/45/50) 14-pin TCM – 15-pin DB15 Adapter Cable | Passenger Car