OBDSTAR | SKU: TCM-024

OBDSTAR (TCM-024) | ZF (8HP45-TC277) 16-pins TCM – 15-pins DB15 Adapter Cable | Passenger Car

Name: OBDSTAR (TCM-024) | ZF (8HP45-TC277) 16-pins TCM – 15-pins DB15 Adapter Cable | Passenger Car
Brand: OBDSTAR
SKU: TCM-024
Price: 31.95 EUR
Availability: InStock

€31,95 incl.

€26,40 excl.

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The OBDSTAR TCM-024 is an adapter cable with a 16-pin connector on the vehicle side for transmission control and a 15-pins DB15 connector on the device side. The 16-pin side connects directly to the TCM connector of a ZF 8HP45 or 8HP45-TC277 transmission control unit located on the gearbox; transmission removal is not required.

The cable is designed for the ZF 8HP45-90 and 8HP45 Gen3 with TC277 processor. This processor handles signal processing, and the cable's pin configuration is matched to the voltage and data signals required by the TC277 architecture. Because the connection runs directly through the physical TCM connector, communication is possible outside the vehicle CAN network in bench mode, without the vehicle needing to be fully operational. The cable provides access to this transmission control unit only and no other modules. ZF 8HP variants with a processor architecture other than the TC277 are not supported. Whether reading, cloning and reprogramming actually succeed depends on your OBDSTAR device's software and licence.

ADVANTAGES

✔Bench mode — the TCM can be accessed without an active vehicle network.

✔Two versions in one cable — compatible with the ZF 8HP45-90 and 8HP45 Gen3 with TC277.

✔No transmission removal — the TCM connector is accessible without removing the transmission itself.

✔Pin-to-pin connection — direct connection between TCM connector and DB15 output, with no intermediate conversion.

LIMITATIONS

✕OBDSTAR only — the DB15 side is designed for OBDSTAR diagnostic and programming devices and not for diagnostic equipment from other manufacturers.

✕No additional coverage — the cable makes the unit accessible; what you can read or write is determined by your device's software.

✕Processor variant is critical — ZF 8HP versions with a processor architecture other than the TC277 are not supported; a separate cable is required for the TC275 version.

✕Connector access — on some vehicles, you may need to remove surrounding components before you can connect.

Applications and functionality

The TCM-024 connects a ZF 8HP45 transmission control unit with TC277 processor to the DB15 port of your OBDSTAR device.

Control units you can access

ZF 8HP45-90 transmission control unit: Via the 16-pin TCM connector on the transmission side.
ZF 8HP45 Gen3 (TC277): Same connector, with the TC277 processor as the core of signal processing.

What you can do

Read TCM: Extract the current software and calibration parameters from the unit via the direct 16-pin connection, without routing through the vehicle CAN network.
Clone TCM: Read the complete contents of the TC277 processor and write to a replacement or identical unit, including all stored transmission parameters.
Reprogram TCM: Write back modified or updated software, for example during software replacement or adjustment of transmission settings.
Work in bench mode: Access the unit outside the vehicle or without an active vehicle network via the DB15 connection.
Identify control unit: Read module identification, such as software version and hardware number of the connected ZF TCM.
Note: Which operations are available depends on your OBDSTAR device's software and licence; the cable provides the connection only.

Compatible vehicles and applications

The determining factor is the transmission control unit with TC277 architecture, not the model. For some manufacturers, the source contains only a generic entry without individual models; this is reproduced unchanged below. Only confirmed compatibility is included.

Alfa Romeo:

Giulia (952): (2018–present, including Quadrifoglio V6)
Stelvio (949): (2018–present, including Quadrifoglio)

Alpina:

Models with ZF 8HP45 TC277: (2018–present)

Aston Martin:

DB11: (2018–present)
DBS Superleggera: (2018–present)
Vantage: (2018–present, AMG V8 or V12)

Audi:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Bentley:

Models with ZF 8HP45 TC277 architecture: (2018–present)

BMW:

1 Series F40: (2019–present)
2 Series F44 / G42: (2020–present, 220i, M235i, M240i)
3 Series G20 / G21 / G28: (2018–present, 320i, 330i, 330e, 340i, M340i, 320d, 330d)
4 Series G22 / G23 / G26: (2020–present, 420i, 430i, M440i)
5 Series G30 / G31 LCI / G60: (2019–present, 520i, 530e, 540i, M550i, 530d)
7 Series G11 / G12 LCI / G70: (2019–present, 745e, 750i)
8 Series G14 / G15 / G16: (2018–present, 840i, M850i)
X3 / X4 G01 / G02 LCI: (2018–present, 30i, 40i, 30d, 40d, M40i)
X5 / X6 G05 / G06: (2018–present, 30i, 40i, 30d, 40d, M50i, M60i)
X7 G07: (2018–present, 40i, 40d, M50i, M60i)
Z4 G29: (2018–present, 20i, 30i, M40i)

Chrysler:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Dodge:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Great Wall:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Iveco:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Jaguar:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Jeep:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Lamborghini:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Land Rover:

Models with ZF 8HP45 TC277 architecture: (2018–present)

MAN:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Maserati:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Porsche:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Rolls-Royce:

Cullinan: (2018–present)
Ghost: (2018–present)
Phantom VIII: (2018–present, 6.75L V12 Twin-Turbo)

Toyota:

GR Supra J29 / DB: (2019–present, 2.0L four-cylinder and 3.0L six-cylinder)

Vinfast:

Models with ZF 8HP45 TC277 architecture: (2018–present)

Volkswagen:

Models with ZF 8HP45 TC277 architecture: (2018–present)

💡

Good to know: The TCM connector on the ZF 8HP45 is located on the transmission side and is often only accessible after removing lower cover panels or partially dismantling underbody trim on many vehicles. The processor variant is equally critical: only TC277 versions are compatible with this cable. Verify the processor variant of the installed TCM before ordering.

Package contents

1x OBDSTAR (TCM-024) | ZF (8HP45-TC277) 16-pin TCM – 15-pin DB15 Adapter Cable | Passenger Vehicles

Technical specifications

Specification	Description
Brand	OBDSTAR
Part number	TCM-024
Type	Adapter cable
Application	Read, clone and reprogram ZF 8HP45 transmission control units with TC277 processor
Vehicle-side connection	ZF (8HP45-TC277) 16-pin TCM
Device-side connection	15-pin DB15
Control units	Transmission control module (TCM) with TC277 processor
Segment	Passenger vehicles
Supported manufacturers	Alfa Romeo, Alpina, Aston Martin, Audi, Bentley, BMW, Chrysler, Dodge, Great Wall, Iveco, Jaguar, Jeep, Lamborghini, Land Rover, MAN, Maserati, Porsche, Rolls-Royce, Toyota, Vinfast and Volkswagen
Model range	Models equipped with ZF 8HP45-90 or 8HP45 Gen3 (TC277) transmission control unit (2018–present)
Required to use	OBDSTAR programmer with 15-pin DB15 interface, such as the DC706 with MP001 kit
Weight	0.1 kg