Mail-in diagnostic checkout for power, ground, communication, water damage, and visible module faults.
Nationwide mail-in ECU services
ECU repair, cloning, testing and programming for all makes and models.
Ship your ECU from anywhere in the U.S. We start with a $150 diagnostic checkout, then send the full repair or cloning invoice after inspection.
Diagnostic-first pricing
Clear first step, final invoice after testing
Many ECU repairs are commonly around $400, but final pricing depends on module type and damage.
Replacement ECU setup, cloning, CAS, EIS, and programming requests are quoted after details are confirmed.
1-3 business day testingMost diagnostic reviews begin shortly after the ECU arrives.
3 month warrantyRepair warranty details are included with the final invoice.
Secure Stripe paymentThe diagnostic fee is collected before the mail-in service starts.
Plug-and-play when possibleWe aim for matched module service when vehicle and module data allow it.
Plan the repair
Pricing, shipping and symptom pages before you send the ECU
Use these pages when you need the practical details behind the mail-in process, or when the customer is searching by symptom instead of service name.
Dedicated service pages
High-intent ECU service pages for all makes and models
ECU repair
Repair support for no-start faults, no communication, water damage, corrosion, sensor issues, injector drivers, coil drivers, throttle circuits, and other board-level ECU failures.
Best for: vehicles with confirmed computer-related faults or modules that fail bench testing.
ECU cloning
Clone data from an original ECU into a replacement unit when the vehicle needs matching immobilizer, VIN, coding, or calibration information.
Best for: replacing a damaged ECU while keeping the vehicle matched to the module.
ECU testing
Bench testing checks power, ground, communication, visible board damage, and output behavior before quoting full repair work.
Best for: confirming whether the ECU is actually the problem before spending on repairs.
ECU programming
Programming and setup requests are reviewed by brand, module type, and vehicle information so the correct service path can be quoted.
Best for: replacement ECU setup and module matching needs.
DTC off
Diagnostic trouble code service requests are evaluated after the vehicle details, ECU type, and customer goal are confirmed.
Best for: customers who know the exact DTC-related service they need reviewed.
Mercedes EIS cloning
Mercedes EIS cloning support for immobilizer-related module matching and replacement workflows.
Best for: Mercedes vehicles with EIS, key, immobilizer, or no-start concerns.
BMW CAS cloning
BMW CAS cloning for immobilizer and module matching needs on BMW vehicles with CAS-related faults or replacements.
Best for: BMW no-start and immobilizer-related service requests.
Lithium battery reset
Lithium battery reset services for Mercedes, Tesla, BMW, and related modules that need battery management support.
Best for: battery module reset workflows after repair, replacement, or service events.
All make and model support
We support domestic, European, Asian, and electric vehicle ECU modules through a nationwide mail-in process.
Best for: customers searching by make, model, and ECU repair need.
Technician review
Repair, testing, and cloning decisions are made from the module in front of us.
The diagnostic intake connects the vehicle history with a hands-on inspection before a technician recommends a final service path.
Diagnostic-first process
We review ECU repair, cloning, testing, programming, and related module requests end to end from our Humble, Texas service location.
Start now
Ready to ship your ECU?
Submit the intake form, pay the $150 diagnostic fee, and include your confirmation details in the box.
Start mail-in repair