ECM RepairCommon Engine Control Module Failure Symptoms and What They Mean
Mon, Jun 1, 2026
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Choose the module type you need. Every repair is tested and warranty-backed.
How It Works
1
Find Your Part
Select your module type and vehicle to locate the exact part you need.
2
Place Your Order
Choose to repair your own unit or have us supply a programmed replacement.
3
Mail It In
Ship us your module with the prepaid label — fast, tracked, and insured.
4
Get It Back
We repair, test, and return your plug-and-play module, warranty-backed.
Why Choose Module Authority
Lifetime Warranty
Every repair and replacement is backed by our lifetime warranty for total peace of mind.
29+ Years of Experience
Decades of specialized expertise in automotive electronics and control module repair.
Plug & Play
Modules are programmed and tested so they install and run without a trip to the dealer.
Nationwide Mail-In
Fast, tracked, and insured shipping both ways with quick turnaround times.
Automotive Electronics Repair Services
Transmission Control Module Repair (TCM)
Expert transmission control module repair (tcm) with nationwide mail-in service across 130+ Florida cities.
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Engine Control Module Repair (ECM)
Expert engine control module repair (ecm) with nationwide mail-in service across 121+ Florida cities.
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PCM Repair
Expert pcm repair with nationwide mail-in service across 121+ Florida cities.
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ECU Repair
Expert ecu repair with nationwide mail-in service across 130+ Florida cities.
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ABS Module Repair
Expert abs module repair with nationwide mail-in service across 121+ Florida cities.
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Body Control Module Repair (BCM)
Expert body control module repair (bcm) with nationwide mail-in service across 130+ Florida cities.
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Airbag Module Reset
Expert airbag module reset with nationwide mail-in service across 130+ Florida cities.
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Instrument Cluster Repair
Expert instrument cluster repair with nationwide mail-in service across 130+ Florida cities.
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Car Computer Repair
Expert car computer repair with nationwide mail-in service across 130+ Florida cities.
Learn more →About Module Authority
Module Authority is a company specialized in repairing, programming, flashing, tuning, updating, and rebuilding vehicle modules and control units. We work on key systems such as PCM, ECM, BCM, TCM, SRS, Instrument Cluster, Immobilizer, and other control modules that affect how vehicles start, run, shift, communicate, and protect their drivers. We believe real electronic service starts with training, equipment, discipline, and a repair path based on facts instead of assumptions.
Licensed
Being properly credentialed matters when the work involves complex vehicle electronics and mission-critical modules. Module Authority is registered, insured, licensed, and staffed by certified technicians who understand how to diagnose, service, and verify electronic control systems the right way. That gives customers more than technical support. It gives them confidence that the company behind the service operates with accountability and professional standards.
Local Experience
Our experience serving customers throughout South Florida matters because local customers want speed, clarity, and real follow-through. They want a company that understands how people actually search, what they worry about, and what makes them feel comfortable moving forward. With 29+ years of experience, Module Authority has built that trust through consistent technical performance, continuous training, modern equipment, and a deep commitment to service quality and customer satisfaction.
Our Automotive Electronics Repair Services
Complete support for the modules, computers, and control systems that keep modern vehicles running, shifting, braking, communicating, and responding the way they should.
Transmission Control Module Repair (TCM)
Transmission control module diagnosis and programming for smooth, dependable shifting.
View ServiceEngine Control Module Repair (ECM)
Engine control module repair and reprogramming for how your engine actually runs.
View ServicePCM Repair
Powertrain control module repair to restore reliable starting, running, and performance.
View ServiceECU Repair
ECU repair, flashing, and testing for the control units behind core vehicle systems.
View ServiceABS Module Repair
ABS module repair and recalibration to restore safe, confident braking control.
View ServiceBody Control Module Repair (BCM)
Body control module repair for lighting, locks, and onboard comfort electronics.
View ServiceAirbag Module Reset
Airbag module reset after deployment, clearing crash data and restoring SRS function.
View ServiceInstrument Cluster Repair
Instrument cluster repair for failed gauges, displays, backlighting, and indicators.
View ServiceCar Computer Repair
Full car computer repair and diagnostics for the units that keep your vehicle running.
View ServiceNeed Answers for Your Automotive Electronics Repair Issue?
Electronic problems rarely fix themselves. They usually get more frustrating, more expensive, and more confusing when the wrong diagnosis keeps getting repeated. Whether you need a clear path for a failing control unit, a trusted mail-in repair process, or dependable support for your shop, Module Authority is here to help.
Get Answers - Contact Us
Why Drivers and Repair Shops Choose Module Authority
Clear Communication
Customers do not want vague technical language. They want to understand what failed, what the options are, and what comes next. We make the process easier to follow.
Fast Turnaround
When a vehicle is down, timing matters. We work to provide a fast turnaround whenever possible without sacrificing testing discipline or service quality.
Trusted by Drivers and Shops
We serve both retail customers and businesses that need a dependable B2B service provider for repair for repair shops, module diagnostics, and electronic support.
100% Licensed & Certified Team
Our team includes certified technicians working inside a registered, insured, and licensed company that takes electronic repair seriously from intake to final verification.
Local Knowledge
We proudly serve customers throughout South Florida, with strong coverage in Broward County and Palm Beach County. That local understanding helps us deliver a smoother and more relevant service experience.
Google Guaranteed
Being Google Guaranteed adds another layer of trust for customers who want confidence before they commit to service.
Written Warranty on All Work
Our warranty-backed service reinforces that we stand behind the quality of our work and the standards used throughout the process.
Fully Insured Company
Being fully insured reflects professionalism, responsibility, and a stronger overall customer experience from start to finish.
See Why Customers Trust Module Authority
5-Star Google Reviews
Real customer feedback matters because people searching for automotive electronics repair want proof that the company they call can actually solve difficult electronic problems with clarity and professionalism.
- M
Max
Used this company multiple times on foreign to domestic vehicles. Smooth clean great work every time. Will continue to u...
- R
Rodrigo B.
The service was performed quickly and efficiently. He repaired several computers for my shop, always at a very fair pric...
- M
Marcos S.
Great communication, fast and reliable! He came and programmed a Tahoe i had at my shop, programmed the transmission a w...
- J
Joshua B.
Does an amazing job and takes his time explaining everything best computer guy around.
- L
Leo B.
Highly recommended—trustworthy and honest! Fair price.
- M
Marcelo C.
the best company in computer repair
How Our Automotive Electronics Repair Process Works
A better process creates more confidence. That is why we keep every step clear, practical, and focused on helping customers move from confusion to a real solution.
- 1
Tell Us What the Vehicle or Module Is Doing
Share the symptoms, trouble codes, and vehicle details so we understand the problem from the very start.
- 2
We Review the Best Service Path
Our technicians determine whether repair, programming, or replacement gives you the most reliable outcome.
- 3
Testing, Repair, Programming, and Quality Control
We diagnose, repair, and reprogram the module, then bench-test it to confirm it performs to specification.
- 4
Final Verification and Return
Every unit passes a final quality check before it is carefully packaged and shipped back ready to install.
Where Our Automotive Electronics Services Are Available
Module Authority serves customers nationwide through our programmed plug-and-play parts sales, but primarily throughout South Florida, with strong reach throughout Broward County and Palm Beach County, including Fort Lauderdale, Hollywood, Plantation, Pompano Beach, Coral Springs, Boca Raton, Delray Beach, and surrounding communities. Whether you need direct support or a dependable mail-in repair process, we make it easier to access specialist-level electronic service.
Helpful Insights From an Automotive Electronics Specialist
Our blog helps customers understand problems earlier, supports stronger topical authority, and gives Google and AI systems more context around the kinds of electronic issues we solve every day.
- ECM Repair
ECU RepairWhat Is ECU Repair? Understanding Electronic Control Unit Problems, Symptoms, and Solutions
Mon, Jun 15, 2026
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Frequently Asked Questions About Automotive Electronics Repair
What is automotive electronics repair?
Automotive electronics repair is the diagnosis, testing, repair, programming, rebuilding, or restoration of vehicle control modules and electronic systems that affect how the vehicle starts, runs, shifts, brakes, communicates, and responds.
What kinds of modules do you work on?
We work on modules such as PCM, ECM, BCM, TCM, ABS modules, airbag modules, instrument clusters, immobilizers, and other control units tied to modern vehicle operation.
Do you offer vehicle module repair and car computer repair?
Yes. We provide vehicle module repair, car computer repair, and broader automotive module repair support for customers dealing with module-related failures and communication issues.
Can you repair modules instead of replacing them?
In many cases, yes. Our repair-first approach helps determine whether a module can be repaired, rebuilt, programmed, or restored before moving straight to replacement.
Do you offer module programming and cloning?
Yes. We support module programming, module reprogramming, and module cloning when the application requires configuration, compatibility, or restored function.
What is the mail-in module repair process?
Our mail-in repair process allows customers and shops to send modules in for evaluation and service. This makes it easier to access specialist help without depending only on local in-person options.
Do you help repair shops too?
Yes. We provide repair for repair shops and serve as a dependable B2B service provider for businesses that need module-level expertise and electronics support.
What types of vehicles do you support?
We work on cars, vans, trucks, buses, tractors, industrial vehicles, boats, and bikes, depending on the module and application involved.
Do you provide warranty-backed service?
Yes. Our work is backed by a warranty, helping provide more confidence for customers moving forward with service.
Why choose Module Authority?
Customers choose Module Authority because we combine 29+ years of experience, certified technicians, modern equipment, continuous training, real diagnostics, free consultation, free in-home estimate with no obligation, free return shipping, and a reputation built on service quality and customer satisfaction.
Ready to fix your vehicle's electronics?
Mail-in repair with fast turnaround, certified technicians, and warranty-backed results.