Mercedes ACM2.1 Bench Cable for KTAG and TRASDATA
Temic ACM2.1. Mercedes Trucks. Bench Ready.
A direct, pin-safe connection to the Temic ACM2.1 for KTAG and TRASDATA
The Mercedes ACM2.1 Bench Cable is a professional COBD harness for connecting KTAG and TRASDATA to the Temic ACM2.1 aftertreatment control module on Mercedes-Benz trucks. Built for read, write and clone work, it is a direct replacement for Alientech 144300T117 and Dimsport F34NTA20, giving a fast, pin-safe connection on the bench.
KTAG / TRASDATA Ready
Read / Write / Clone
Mercedes-Benz Trucks
What the Temic ACM2.1 Does and Why It Matters
On Mercedes-Benz commercial vehicles the ACM, or aftertreatment control module, governs the exhaust cleaning side of the driveline. It manages the SCR system, AdBlue dosing and the sensors that keep a Euro emissions truck legal and running cleanly. When one of these modules fails, or when a job calls for reading and rewriting its data, you need a dependable route into the unit. That is where this cable comes in, connecting your KTAG or TRASDATA straight onto the Temic ACM2.1 for controlled, professional work.
Because the ACM sits at the heart of the emissions strategy, the data it holds has to be handled with care. A clean bench connection lets you take a full, verified read before you make any change, so you always have the original to fall back on. This cable is built to make that first connection consistent and secure every single time.
One Cable, Two Original References
This COBD harness is a direct replacement for both the Alientech 144300T117 and the Dimsport F34NTA20 cables. If you run KTAG or TRASDATA, that means a single, affordable part covers the original references you would otherwise buy separately at a premium. It is the sort of practical stocking decision that keeps a busy heavy vehicle workshop moving without tying money up in duplicate looms.
Bench Access for Read, Write and Clone
The cable is designed for flasher tool work covering read, write and clone operations. Cloning is the one that saves the day when a module has failed. Take a full read from the original ACM2.1, write it into a known good replacement unit, and you recover the truck without waiting on dealer coding. Doing that reliably depends on a solid, repeatable connection, which is exactly what a purpose made harness delivers over hand probing a header.
Pin-Safe Connection, Built for Daily Use
Repeated probing wears connectors and bends pins, and a bent pin partway through a write is a problem nobody wants. This harness presents a defined, plug and play interface that drops into standard bench and breakout setups, removing the mechanical stress from the connection. It is primarily a bench cable and is field-capable with appropriate care, finished to survive daily professional use.
Temic ACM2.1 Direct Fit
Connects straight to the Temic ACM2.1 aftertreatment control module on Mercedes-Benz trucks for controlled, professional work.
KTAG / TRASDATA Ready
Configured for the KTAG and TRASDATA variant of this cable, giving a clean, direct bench connection to the module.
Replaces 144300T117 and F34NTA20
A single COBD part stands in for both the Alientech 144300T117 and the Dimsport F34NTA20 original references.
Read, Write and Clone
Supports full flasher tool operations, including cloning a failed module into a known good replacement unit.
Pin-Safe Workshop Build
A defined interface removes the risk of bent pins and preserves the module connector through repeated use.
Plug and Play Bench Setup
Drops into standard bench and breakout setups for faster, more consistent programming results.
| Specification | Detail |
|---|---|
| Target Module | Temic ACM2.1 (aftertreatment control module) |
| Vehicle Application | Mercedes-Benz trucks |
| Compatible Tool | KTAG / TRASDATA (this variant) |
| Functions | Read / Write / Clone |
| Replaces | Alientech 144300T117, Dimsport F34NTA20 |
| Connection Type | Primarily bench, field-capable with appropriate care |
| Length | 2.5m standard, custom lengths on request |
| In the Box | 1x Mercedes Truck Temic ACM2.1 Cable (COBD replacement) |
Spread the Cost with Finance
Invest in professional equipment without the upfront outlay. Apply online for a no obligation finance quotation and get a fast decision, so you can put this tool to work in your workshop straight away.
💡 Mobile Eco Tuning Pro Tip:
Before you clone an ACM2.1 into a replacement module, take a full read from the original and keep it labelled and backed up somewhere safe, because that file is your only route home if the write is interrupted. Remember the ACM does not work in isolation. It talks to the engine control unit and the SCR sensors, so after a module swap allow the truck to relearn and always confirm there are no stored faults on the aftertreatment side before you hand the keys back. A steady bench supply held at a stable voltage through the whole read and write protects the data far more than rushing the job ever will.
