The majority of engine computers for vehicles from 1996-present (OBD II) are subject to programming in order to function properly in your vehicle. Most units before 1996 (OBD I) are referred to as plug & play

Engine Control Modules (ECM) and Powertrain Control Modules (PCM) are critical components of a vehicle's electronic management system. They serve as the vehicle's brain, controlling various aspects of engine operation and powertrain performance to optimize efficiency and emissions. The ECM specifically handles the engine's functions, while the PCM manages both the engine and transmission systems.

1. Types of Services Offered

1.1. Engine Computer Programming

Engine Computer Programming involves the reprogramming of the Engine Control Module (ECM), Engine Control Unit (ECU), and Powertrain Control Module (PCM). These electronic components control various aspects of your vehicle's performance and efficiency. Reprogramming these units can enhance engine performance, fuel economy, and even rectify issues related to emission control.

Our website provides comprehensive information about the different ECM, ECU, and PCM module units that can be reprogrammed. You can find detailed specifications, uses, and benefits of reprogramming these units under the 'Product Description' section. This information is instrumental in understanding how engine reprogramming can optimize your vehicle's performance and efficiency.

1.2. PCM Repair and Testing

PCM Repair and Testing services form a crucial part of our offerings. This procedure includes rigorous diagnosis and rectification of any issues within your Powertrain Control Module (PCM). The process begins with a comprehensive diagnostic test using specialized software and hardware tools to accurately pinpoint any faults within the system.

Our advanced diagnostic tools are capable of reading the Diagnostic Trouble Codes (DTCs) generated by the on-board diagnostics system (OBD), providing detailed insights into the health and functionality of your PCM. Once any issues have been identified, our team of highly skilled technicians proceed with the necessary repairs, ensuring your PCM is restored to optimal operation.

In addition to repairs, we also provide a testing service. Post-repair, your PCM is subjected to a series of stress tests designed to simulate real-world driving conditions. This ensures that all repairs have effectively addressed the identified issues and that the module is ready for re-installation in your vehicle.

Through our PCM Repair and Testing service, we strive to extend the life of your vehicle and enhance its performance while ensuring its emissions remain within acceptable limits. This service provides a cost-effective alternative to the replacement of the entire PCM unit.

1.3. ECU Updates and Flashing

Flashing is a process, carried out by our expert technicians, that updates the software within your vehicle's Engine Control Unit (ECU). This procedure involves installing new programming information to replace the existing data, much like updating the operating system on a computer or smartphone.

ECU flashing offers a multitude of benefits to vehicle performance. It can enhance engine output, improve fuel economy, and rectify software-related issues - all factors contributing to a smoother, more efficient driving experience. Moreover, it can provide solutions to manufacturer recalls related to the vehicle's electronic systems.

As for vehicle eligibility, most modern vehicles equipped with electronic management systems are suitable candidates for ECU flashing. This includes a broad range of makes and models, especially those manufactured after the mid-1990s when OBD II was introduced. It's worth noting that certain high-performance vehicles or those with aftermarket modifications may particularly benefit from this service. Always consult our team for advice on whether your specific vehicle would benefit from ECU updates and flashing.

2. Supported Vehicles

We specialize in engine module programming and flashing for all Acura, Audi, BMW, Chrysler, Dodge, Eagle, Fiat, Ford, Geo, Honda, Hyundai, Kia, Infiniti, Jeep, Lexus, Lincoln, Mazda, Mercedes, Mercury, Mitsubishi, Nissan, Plymouth, Scion, Toyota, Volkswagen and General Motors (including Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab & Saturn) models. Our team of experienced technicians is equipped with the latest diagnostic tools to accurately diagnose any issues within these vehicles and carry out the necessary repairs or upgrades in a timely manner.

3. Diagnostic Methods

At Flagship One, Inc., our commitment to quality service starts with our comprehensive diagnostic tests run on all our automotive control units. Our diagnostic methods are designed to accurately identify any issues, ensuring that every unit we handle meets our high standards.

We employ proprietary diagnostic software that accurately reads and deciphers Diagnostic Trouble Codes (DTCs) from the vehicle's on-board diagnostic system (OBD). This rich database of codes allows us to pinpoint faults within the control modules so that they can be addressed accurately and swiftly.

In addition to software diagnostics, we also conduct physical inspections of the units to uncover any mechanical or electrical issues not detectable by software alone. This dual approach of software and physical inspection guarantees a thorough diagnosis, ensuring that all potential problems are identified and addressed.

4. Cummins ECM Repair and Programming

We are proud to offer specialized services in Cummins Engine Control Module (ECM) repair and programming. Cummins ECMs are known for their durability and sophistication, playing a crucial role in managing and optimizing the performance of your vehicle. However, like any other piece of sophisticated hardware, they may have issues that demand professional attention.

Our repair process begins with a comprehensive diagnostic test to identify any faults within the Cummins ECM. We utilize sophisticated software and hardware tools to accurately pinpoint the problems, ensuring a precise and efficient repair process. After the issues have been identified, our team of experienced technicians proceeds with meticulous repairs, restoring your Cummins ECM to its optimal functionality.

In addition to repair services, we offer specialized programming for Cummins ECMs. Our programming services are designed to enhance the performance and efficiency of your vehicle, offering benefits such as improved fuel economy, increased power output, and smoother operation.

Whether your Cummins ECM requires a routine check, intricate repairs, or sophisticated programming, we have the expertise and technology to serve your needs. Trust Flagship One, Inc. for all your Cummins ECM repair and programming needs.

5. PATS Key Reprogramming

The Passive Anti-Theft System (PATS) is an integral part of modern vehicle security. It uses radio frequency technology to ensure that every time the vehicle is started, the ignition key's identity is verified. If the system recognizes the key, the vehicle starts. If not, the vehicle remains immobilized, thereby reducing the risk of theft.

Our PATS Key Reprogramming service is a procedure where we reprogram the transponder key to communicate with your vehicle's PATS, ensuring a perfect match. It involves resetting the existing key data from your vehicle's anti-theft system and entering the new one, allowing the system to recognize and accept the new key. This service is particularly essential if you have lost your keys, if your vehicle isn't starting due to a PATS issue, or if you’ve added a new key.

As for the models eligible for this service, we can handle the reprogramming for all Ford, Lincoln, and Mercury vehicles equipped with PATS. Our experienced team has the necessary tools and skills to ensure your PATS key reprogramming is carried out swiftly and accurately, getting you back on the road with minimal downtime. Trust Flagship One, Inc. for your PATS Key Reprogramming needs.

engine computer with wire harness
ecm programming service


All of our units will serve as direct replacements for your vehicle's current computer. We do not have a core charge. Customers original units are theirs to keep.

Cummins ECM repair service and Cummins ECM Programming Services are available

PATS (Passive Anti-Theft System)

If your vehicle is equipped with PATS or contains a computer chip in the vehicles key then you may be required to have a set of keys reprogrammed. We provide key reprogramming services for select makes and models, all of which are listed on this website (e.g. 1L2A-12A650-AEA | 2002 Ford Explorer 4.0L ECM Engine Computer PCM ECU Programmed with Keys | NCD-100/120). You can choose to have a Locksmith or Ford Dealer reprogram the keys as well using scan tools or pass-through tool. If your vehicle does not have PATS then your programmed unit will be plug and play.

Programming is available for the following Makes and Models