JG Mechanic Service LLC

Our Services

Complete diesel & gasoline automotive solutions – from tuning to locksmith to module programming

Diesel & Gasoline – We Handle Both

We specialize in diesel trucks, but we also service gasoline vehicles of all makes and models. From diagnostics and repairs to ECU tuning, we handle both fuel types.

Our Specialty

Diesel & Commercial Services

North Carolina's premier diesel truck specialists – and we also service gasoline vehicles. Whether you need diesel performance tuning, emissions system work, full commercial fleet maintenance, or gasoline engine repair and diagnostics, we have the tools, software, and expertise to get it done.

Diesel Truck Tuning & Performance

Custom ECU tuning for maximum horsepower, torque, and fuel efficiency. Street and competition tunes available for Ford Power Stroke, Cummins, Duramax, and Nissan diesel engines.

DPF, EGR & DEF Delete / Off

Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR), and Diesel Exhaust Fluid (DEF) system programming and hardware services for off-road and competition use.

Fuel Economy Tuning

Optimize your diesel for the best MPG without sacrificing reliability. Ideal for fleet operators and long-haul drivers looking to reduce operating costs.

Commercial Truck & Fleet Support

Comprehensive maintenance and repair services for commercial fleets. Minimize downtime with our priority service plans and diagnostic expertise.

Diesel Diagnostics & Repair

Advanced OBD and manufacturer-level diagnostics for all diesel systems. Fault code analysis, injector testing, turbo inspection, and repair.

All Makes & Models

We service all diesel and gasoline vehicles including Ford F-250/350/450, Ram 2500/3500, Chevy Silverado HD, GMC Sierra HD, Nissan Titan XD, and heavy-duty commercial trucks.

Automotive Locksmith Services

Locked out? Lost your keys? Need a spare? Our certified automotive locksmiths handle every type of key and security system without dealer prices or dealership wait times.

New Car Keys

Cut and program replacement keys for any vehicle make and model. Laser-cut keys, remote head keys, and traditional keys available.

Transponder Key Programming

Chip key programming for all vehicle brands. We clone, program, and create new transponder keys that start your vehicle reliably.

Smart Keys & Remote Fobs

Proximity keys, push-to-start fobs, and keyless entry remote programming. We cover all systems including OEM and aftermarket.

Car Lockout Service

Fast, damage-free car lockout service. Available 7 days a week across the Charlotte metro area. Don't wait for a tow truck – call us.

Duplicate Car Keys

Get a spare key made before you need one. We can duplicate virtually any key type on-site, often while you wait.

Ignition Repair & Replacement

Stuck ignition? Key won't turn? We repair or replace ignition cylinders, switches, and steering column locks for all vehicle types.

Module & System Programming

Modern vehicles run on sophisticated computers. Our dealer-level diagnostic tools and programming expertise let us reprogram, replace, and repair electronic control modules that most shops can't touch.

ECU Programming & Replacement

Engine Control Unit (ECU/PCM) flashing, programming, and replacement. We handle virgin modules, cloning, and full VIN writes for Ford, Chevrolet, Dodge, and Nissan.

Transmission Module Programming

Transmission Control Module (TCM) programming, replacement, and adaptation resets. Fixes shift quality issues, slip codes, and TCM communication faults.

BCM, PCM, TCM & Immobilizer

Body Control Module (BCM), Powertrain Control Module (PCM), and immobilizer system programming. Key-to-module synchronization and anti-theft resets.

Module Cloning & Coding

Transfer calibration data from a damaged module to a replacement unit. Retains all vehicle-specific settings without dealer programming fees.

Airbag Module Programming

SRS airbag control module reset, relearn, and replacement programming. We restore crash data and fault codes after accident repairs.

ABS, SAS, Fuel Pump & More

Anti-lock Brake System modules, Steering Angle Sensor calibration, fuel pump control modules, and a wide range of other vehicle-specific electronic components.

FAQ

Frequently Asked Questions

Do you offer mobile service?

Yes! We are a fully mobile automotive service. We come to your home, workplace, or roadside location anywhere in the Charlotte metro area, including Matthews, Concord, Monroe, and surrounding cities in North Carolina.

What diesel truck brands do you specialize in?

We specialize in Ford (Power Stroke), Chevrolet/GMC (Duramax), Dodge/Ram (Cummins), and Nissan diesel trucks, as well as commercial vehicles and heavy-duty trucks of all makes.

Can you program a key without the original?

Yes, in most cases we can program a new key without needing the original. The process depends on your vehicle's security system. Call us with your year, make, and model for a quick quote.

How long does ECU programming take?

Most ECU programming jobs take between 1 and 3 hours depending on the module type and vehicle. We use dealer-level software to ensure the programming is done correctly the first time.

Do you offer service in Spanish?

Absolutely. Call or text our Spanish-language line at 980-422-4593 for service in Spanish. Hablamos español.

Need a Service?

Call or text us — we respond fast and come to you anywhere in the Charlotte metro area.

🇺🇸 804-928-8692 🇪🇸 980-422-4593

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