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Delphi MT

Delphi MT ECU (ECM) — identify the correct reference

Find the exact reference of your Delphi MT ECU (MT80/MT86). HW/SW guide, OEM and markings. Request your personalized quote.

2 references availableRepair · Used units · Reprogramming6-month warranty

Are you dealing with a Delphi MT engine ECU and need to find the exact reference before any intervention? In this family (e.g., MT80, MT86), several numbers coexist on the label: a vehicle manufacturer reference (OEM), a Delphi supplier reference, hardware/software versions (HW/SW), and a serial number. Only the exact combination of OEM + HW + SW allows for identifying a compatible part. An ECU from the Delphi MT family is not interchangeable with another variant, even a close one: the reference must match exactly. Carefully read the external markings and, if necessary, retrieve the software identifiers via diagnostics to confirm. Then use the configurator on this page (search by HW/SW reference or by vehicle) to find your part. If the BSI is faulty, Incarline can intervene (repair, cloning, or paired supply depending on the case), after verifying the references.

Find your exact reference

Search by hardware reference, software reference or control unit name. Click a result to configure and order without leaving the page.

2 references

Technical sheet of this family

The Delphi MT family refers to gasoline engine ECUs (ECM) controlling injection, ignition, possible turbo regulation, motorized throttle, and OBD peripherals. Variants such as MT80 and MT86 are notably found. These units typically rely on a 32-bit microcontroller and integrate internal flash memory for the program and maps, as well as a non-volatile data area (dedicated EEPROM or emulated area) for immobilizer, VIN, and adaptations. Vehicle communication is mainly via the CAN bus with an OBD-II compliant diagnostic protocol, using UDS and/or KWP services depending on the version. Workshop exchanges (reading identifiers, DTC, data flow) are done via the OBD port, while some advanced operations require bench access.

On a Delphi MT label, you will generally find: the OEM reference (vehicle manufacturer's part number), the Delphi reference (family + p/n), Hardware (HW) and Software (SW) mentions, a serial number, and sometimes a calibration index. Inside, the printed circuit board may bear batch markings and production codes that do not replace official references. Regarding model years, these ECUs are associated with recent gasoline engine generations in view of channeled OBD (CAN), with distribution spread over several years depending on the brands.

Concerned vehicles

The Delphi MT mainly equips 4-cylinder gasoline engines of various displacements, on compact sedans, city cars, and light SUVs, depending on the markets. The exact presence depends on the manufacturer and engine. Always check your OEM + HW + SW reference before ordering.

  • Some Opel/Vauxhall models with turbocharged gasoline engines
  • Several Chevrolet gasoline sedans and compacts, depending on markets
  • Buick gasoline sedans intended for certain Asian countries
  • Models from Asian partners of international groups, gasoline engines
  • City cars and crossovers with multipoint or direct injection gasoline engines

Points of attention

A Delphi MT ECU that looks similar may have different hardware (HW) or software (SW): do not buy or replace without strict correspondence of the OEM reference and HW/SW indices. Immobilizer data is paired with the vehicle (VIN, car keys, BSI/BCM) and must be cloned or reset. External markings (label) are paramount for identification, while identifiers read during diagnostics confirm the software version and calibration index. If necessary, Incarline can perform a board diagnosis, data cloning, or provide a paired BSI, always based on the exact reference.

Frequently asked questions

How to find the correct reference on a Delphi MT ECU (MT80/MT86)?
Start with the label: note the vehicle manufacturer's OEM reference, the Delphi reference (MT family), as well as the HW and SW versions. Then, if necessary, confirm the software identifiers via the OBD port (ID/calibration reading). Enter this information into the configurator (search by HW/SW ref or by vehicle) to isolate the exact part.
How to know if my Delphi MT ECU is faulty?
Typical symptoms may appear: difficult or impossible starting, engine light on, limp mode activation, power loss, fan running excessively, intermittent diagnostic communication. Before concluding, check power supply, ground, wiring, and sensors, then compare the retrieved DTCs with cross-tests.
Which vehicles are equipped with the Delphi MT ECU?
It is found on 4-cylinder gasoline engines from several brands, notably some models associated with international groups and Asian partners. Presence varies depending on displacement and market. To avoid errors, identify your OEM + HW + SW and use the configurator rather than a search by model alone.
Can a Delphi MT be cloned without going to the dealership?
Cloning is possible in many cases by transferring immobilizer, VIN, and calibration data from the old BSI to a BSI of the same OEM reference and same HW/SW index. Depending on the version, the operation may require bench reading. Incarline can perform this cloning after checking the references.
What is the difference between a repair and a paired used unit for a Delphi MT?
Repair retains your original BSI and restores the electronics. A paired used unit involves an equivalent BSI of the same reference, into which your data is injected (cloning) or prepared in virgin mode if planned. In all cases, strict correspondence of OEM/HW/SW references remains essential.
Can I fit a Delphi MT80 in place of a Delphi MT86 (or vice versa)?
No. Variants of the Delphi MT family are not interchangeable by name similarity. Only the identical reference with the same HW/SW and the same calibration is suitable. A mismatch can prevent starting or disrupt engine management.
Where to read the software code (SW) and hardware version (HW) of a Delphi MT?
The simplest is the BSI label, which often groups HW and SW. Additionally, a diagnostic tool can read the software ID/calibration via OBD. Internal circuit markings (batch codes) do not replace official references for compatibility.
What to do in case of a Delphi MT ECU failure after reference identification?
Check power supply, grounds, and wiring, confirm DTCs and software ID, then decide: repair your BSI, clone to a strictly identical unit, or replace with pairing. Enter the reference in the configurator to avoid any part error.

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