Mail-In Repair, Fast Turnaround

Mail-In Electronic Module Repair, Done Right

Component-level ECU, ECM, TCM, ABS, BCM and airbag module repair for cars, trucks, heavy equipment and marine engines. Ship your module to our Scarborough, Ontario bench. Module cloning, programming, key programming and airbag resets are usually done next day; repairs are timed by diagnosis and parts.

Mon-Fri (9am-6pm)

Call or Text 647-784-9939

ECU Repair Doctor mail-in repair kit with box, ECU module, repair form and shipping labels

// Why Choose Us

Why Choose ECU Repair Doctor

Component-Level Repair

We diagnose and repair the actual failed parts inside your module, not just reset a fault code.

Fast Turnaround

Cloning, programming, key work and airbag resets usually next day. Repairs are scheduled after diagnosis.

Real Warranty

Every repair is covered by a 30-day warranty after the repair.

Soldering an ECU circuit board at the repair bench
Technician inspecting a control module circuit board under a microscope

// About Us

About ECU Repair Doctor

ECU Repair Doctor is a Scarborough-based electronic module repair specialist. We open failed ECUs, ECMs, and control modules at the component level and send them back working — no dealer replacement required.
Component-Level Repair
Warrantied Work

// Our Services

Module Repair, Organized by Category

Car ECU, TCM, ABS, BCM and airbag control modules repaired by ECU Repair Doctor
Car Modules
ECM, ABS, BCM, and instrument cluster repair across 42 makes.
Heavy duty truck ECM, TCM, ABS and aftertreatment control modules
Truck & Heavy Duty Modules
Engine and emissions control module repair for semi-trucks and construction equipment.
Marine outboard engine ECM, ignition and power distribution modules
Marine Modules
ECM and ignition module repair for outboard and sterndrive marine engines.

// Our Workshop

Inside the Repair Bench

Component rework on an opened ECU circuit board
BGA reballing station reworking an ECU processor chip

// Popular Repairs

Our Most Requested Module Repairs

Technician soldering a BMW body electronics module board
BMW FRM / FEM / BDC Repair

Footwell and body-domain controller repair for dead lights, windows and “Key Not Found” no-starts.

Programming a Mercedes-Benz control module with a laptop
Mercedes SAM & EIS Repair

Front and rear SAM repair and cloning, plus EIS/EZS ignition switch faults.

Technician resetting an airbag SRS control module
Airbag Crash Data Reset

Clear stored crash data and reset SRS airbag modules for all major makes.

Ready to Get Your Module Repaired?

Call or text 647-784-9939, or send us your module details for a free quote.

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