In the dash, behind the glovebox..
You can find the 2001 Buick Century Oddie control module on the passenger side firewall. The body control module will be near the bottom of the firewall.
The computer on a 1990 Buick Century is typically located in the engine compartment. It is often situated near the firewall on the passenger side of the vehicle. The computer, also known as the Engine Control Module (ECM) or Powertrain Control Module (PCM), is responsible for managing the engine's performance and various vehicle functions. It is essential for diagnosing and troubleshooting issues related to the vehicle's operation.
You can determine if the ignition control module in a 1998 Buick Century is faulty by checking for symptoms such as engine misfires, stalling, or difficulty starting the engine. Additionally, if you experience a lack of power during acceleration or if the Check Engine light is illuminated, these may indicate an issue. Testing the module with a multimeter or a diagnostic scan tool can also help confirm if it’s malfunctioning. If you suspect a failure, replacing the module is a common remedy.
The coils are mounted to it.
In a 1998 Buick Century, the ignition control module is typically located on the side of the engine, mounted on the ignition coil assembly. It is usually positioned near the front of the engine, accessible from the top or side. You may need to remove some components for easier access, depending on the engine configuration. Always consult the vehicle's service manual for precise location details and safety precautions.
In a 1992 Buick Century, the ignition control module is typically located on the ignition coil assembly, which is found mounted on the engine. To access it, you may need to remove the engine cover or other components that obstruct the view. It's usually positioned near the front of the engine, close to the intake manifold. Always refer to the vehicle's service manual for specific details and safety precautions when working on ignition components.
below left side of instrument panel
The engine control module (ECM) on a 2003 Buick Century is typically located in the engine compartment, mounted on the passenger side near the front of the vehicle, close to the firewall. It's usually housed in a protective cover to shield it from heat and moisture. To access it, you'll often need to remove some components or covers that may obstruct your view. Always consult the vehicle’s service manual for specific guidance.
In a 2000 Buick Century, the engine control module (ECM), commonly referred to as the computer, is located in the engine compartment. Specifically, it is mounted on the driver's side, near the front of the vehicle, often near the windshield. You may need to remove some covers or components to access it.
You will find the ICM directly below the coils. Just remove the coils and you will be able to remove it. This is on a 1990 Buick Century V6 3300 engine. If you have a different engine I cannot confirm the location.
check fan relay/fan relay control module