L.K. AUTO TECH, LLC is a registered New Hampshire limited liability company operating a dedicated automotive electronic repair shop based in Northfield, NH. We specialize exclusively in advanced vehicle computer diagnostics, ECU reprogramming, faulty body module repair, powertrain troubleshooting, and commercial fleet scheduled electronic maintenance, serving private vehicle owners, local independent repair garages, and regional delivery truck fleets across Merrimack County and Northern New England. All vehicle diagnostic scan data, ECU calibration files and customer repair records are stored on encrypted US cloud storage following automotive consumer data privacy guidelines.
Years Professional Automotive ECU & Electronic Repair Experience
Completed Passenger, Truck & Fleet Vehicle Diagnostic Repair Projects
L.K. AUTO TECH, LLC is a fully registered New Hampshire limited liability company, with our dedicated diagnostic repair shop, calibration lab and customer service bay located at 26 Union Rd, Northfield, NH 03276. Our ASE-certified master technician team focuses solely on vehicle electronic and powertrain fault resolution, offering fast same-day diagnostic scan appointments and complex ECU repair turnaround for all passenger cars, light diesel trucks, cargo vans and regional commercial delivery fleets across Merrimack County and surrounding New Hampshire Lakes Region towns.
Our service lineup is separated into six core automotive electronic repair verticals: OEM-compliant vehicle ECU read/write reprogramming & fault clearing, full-system multi-module diagnostic scanning for check engine and dash warning lights, faulty body control module (BCM) & instrument cluster rebuild, gasoline/diesel powertrain performance tuning & emissions calibration, commercial delivery fleet recurring monthly electronic maintenance packages, and independent repair shop bulk diagnostic equipment supply & technical support. Our in-house team includes ASE L1 certified master drivability technicians, automotive electronic circuit repair specialists, and fleet maintenance coordination staff with decades of domestic and import vehicle computer troubleshooting experience.
We provide complimentary pre-repair vehicle diagnostic consultation visits with zero service fee, deliver transparent line-item fixed-price repair quotes tailored to each vehicle’s specific fault code and component damage level, offer discounted recurring service retainer agreements for local commercial fleets and partnering independent garages, and guarantee a standard warranty on all completed ECU, module and powertrain repair work. All diagnostic scan reports, ECU calibration logs and customer repair invoices are delivered via password-protected encrypted cloud file storage for long-term vehicle service record retention.
No-charge on-site scan to identify root fault codes and present transparent repair cost estimates
Factory-level training for all domestic, Asian and European vehicle computer system platforms
Quick booking for all Merrimack County private vehicle and fleet electronic fault assessments
Reduced per-vehicle scan pricing, priority service and recurring fleet health report deliverables
Custom vehicle electronic repair service packages tailored for private passenger car owners, local independent repair garages, regional small business delivery fleets and light commercial truck operators across Merrimack County and Central New Hampshire
Comprehensive multi-system vehicle diagnostic scanning covering engine, transmission, ABS, airbag, climate and body control modules to extract live and stored fault codes, identify root electrical or mechanical failure sources, and execute full post-repair system resets to clear dash warning lights for all domestic and import passenger vehicles and light trucks.
Factory-aligned ECU programming services including replacement virgin ECU VIN matching, factory software flash updates, emissions-compliant mild performance tuning, and faulty ECU board component repair for gasoline and light diesel engine platforms, eliminating costly full ECU replacement by repairing damaged internal processor and circuit hardware in-house.
Specialized repair service for failing body control modules, dead instrument gauge clusters, flickering headlight/tail light control boards and door window electronic units, replacing burnt resistors, failed driver chips and corroded circuit traces without requiring expensive brand-new OEM module replacement for all vehicle makes and models.
Full drivability diagnostic service for rough idle, hesitation, loss of power, hard starting, smoke output and fuel economy drop faults on gasoline passenger cars and light-duty diesel cargo vans, pinpointing faulty fuel injectors, mass airflow sensors, EGR systems, turbo control actuators and emission-related electronic components.
Recurring scheduled fleet electronic inspection service for small business delivery fleets and regional contractor light truck fleets, including monthly full multi-module diagnostic scans, fault code tracking reports, pre-emptive failing component identification and priority same-day repair scheduling to minimize delivery vehicle downtime during operating shifts.
Wholesale supply of professional-grade multi-brand OBD diagnostic scan tools for local independent repair shops, plus ongoing remote technical troubleshooting support for complex ECU and module fault cases their in-house technicians cannot resolve, with access to our master ASE L1 specialist team for remote vehicle data review and repair guidance.
Complete live sensor scan, full fault code report + verbal root-cause repair recommendation consultation
In-house board repair or virgin ECU flash programming + post-programming test drive verification
Disassembly, component replacement, bench testing + reinstall vehicle fit and function validation
Monthly batch diagnostic scans, consolidated fault reports + priority emergency repair scheduling discount
Our ASE master technician team completed a complimentary pre-repair diagnostic scan consultation for a local Northfield resident’s mid-size gasoline SUV displaying recurring flashing check engine warning lights, inconsistent rough idle during cold starts and reduced highway fuel economy after two prior incomplete repair attempts at a general auto service shop. Full live sensor data capture identified simultaneous failing mass airflow sensor, clogged fuel injectors and degraded upstream O2 oxygen sensors creating overlapping P0171/P0300 series misfire and lean fuel trim fault codes stored across the engine control module. We executed targeted replacement of all three faulty emission and fuel delivery components, performed a full ECU fuel trim reset and completed an extended post-repair test drive across local town highway and backroad routes to verify smooth idle, stable sensor readings and complete fault code clearing with no recurring dash warning light activation. The client opted for our standard single vehicle diagnostic scan package with transparent line-item repair pricing, and we delivered a full digital scan report via encrypted cloud storage documenting pre and post-repair sensor data for their permanent vehicle service records.
We established an annual volume discount fleet electronic maintenance retainer agreement with a Merrimack County small local goods delivery business operating a six-unit light diesel cargo van fleet covering daily routes across Northfield, Tilton and Franklin. Under the retainer program scope our team performs a full batch multi-module diagnostic scan of every van in the fleet on a monthly scheduled off-shift appointment window, compiling a consolidated fleet-wide fault summary report highlighting early developing DPF exhaust, turbo VGT actuator and EGR valve electronic faults before they escalate into complete roadside breakdown events disrupting daily delivery schedules. Over the first twelve months of the retainer program our pre-emptive fault identification eliminated three potential full van breakdown incidents, cutting unplanned emergency repair downtime by more than 60% for the business’s daily route operation. All monthly fleet scan summary reports are delivered to the fleet manager’s secure cloud portal, and the retainer agreement includes priority same-day repair scheduling for any active fault vehicles requiring component replacement service between regular monthly scan visits.
Our electronic repair specialist completed a full teardown and bench diagnostic of a failing body control module from a European import sedan brought in by a central New Hampshire private vehicle client experiencing complete power window failure, non-functional central door locking, dead interior dome lighting and intermittent exterior turn signal outages. Initial full vehicle multi-module scan confirmed no communication fault codes originating from the BCM unit, indicating internal circuit board component degradation rather than wiring harness damage. We removed the module from the vehicle, fully disassembled the plastic housing, bench tested all power supply and driver circuit traces, identified two burnt power resistors and a failed door lock driver IC chip as the root failure points, and sourced matching OEM-spec replacement electronic components for in-house soldered board rebuild. After completing the component replacement work we bench calibrated the rebuilt BCM unit, reinstalled it back into the vehicle, executed a full multi-system function test of all interior and exterior electronic accessories, and verified zero stored communication fault codes across all connected vehicle modules via post-repair diagnostic scan. The in-house rebuild service delivered significant cost savings compared to purchasing a brand-new OEM replacement BCM unit requiring separate VIN reprogramming after installation.
Submit full vehicle or fleet details including vehicle make/model/year, active warning light fault symptoms, private or commercial fleet usage type and repair timeline targets to receive a complimentary on-site diagnostic scan appointment and customized fixed-scope ECU/module repair service proposal from our ASE L1 certified master automotive diagnostic technician team
26 Union Rd
Northfield, New Hampshire, United States
ZIP Code: 03276
6513218062
info@lkauto.bond
L.K. AUTO TECH, LLC