2008 Buick Lucerne Engine Control Module ECM 19210737 Programmed

Restore Your Lucerne’s Performance

Get your 2008 Buick Lucerne running smoothly again with our pre-programmed Engine Control Module. This ECM arrives ready for installation, flashed with the latest GM software for your specific VIN. Eliminate frustrating drivability issues and warning lights. Provide your VIN at checkout for a plug-and-play solution!

$141.74

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-08112-252 Categories: ,
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Restore Peak Performance to Your 2008 Buick Lucerne

Is your 2008 Buick Lucerne suffering from perplexing issues like a persistent check engine light, rough idling, stalling, or a complete failure to start? These are classic signs of a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it falters, the entire vehicle’s performance and reliability are compromised. This direct replacement Engine Control Module, part number 19210737, is the definitive solution to get your vehicle back on the road and running like new.

From the Diagnostic Bay

We once had a 2008 Buick Lucerne with the 4.6L V8 come into the shop with an intermittent misfire on cylinder 3. The owner had already replaced the spark plug, ignition coil, and fuel injector, but the problem persisted. A quick scan showed no hard codes, just a pending P0303. After hours of chasing wires and checking signals, we hooked up a scope to the injector driver circuit directly at the ECM. We found the signal from the module was weak and inconsistent. A new, properly programmed ECM fixed the issue instantly. It’s a stark reminder that sometimes the problem isn’t the component, but the computer controlling it.

Diagnosing Your 2008 Lucerne Engine Control Module Failure

A failing ECM can manifest in numerous ways, often mimicking other sensor or component failures. Correct diagnosis is key to avoiding unnecessary repairs. If you’re experiencing several of the following symptoms, your ECM is the likely culprit. This module is the central fix for these electronic issues, restoring communication and proper engine function.

Common Symptoms of a Faulty ECM:

  • ✔ Check Engine Light: The light is on, and you may have codes related to sensor circuits (e.g., P0606, P0601), communication errors (U-codes), or multiple random misfire codes.
  • ✔ Engine Stalling or Misfiring: The engine may stall unexpectedly, run rough, or hesitate during acceleration due to incorrect fuel and spark commands.
  • ✔ Poor Fuel Economy: An inefficiently running engine, managed by a faulty ECM, will consume more fuel than necessary.
  • ✔ No-Start Condition: The engine cranks but won’t start because the ECM is not commanding the fuel pump or ignition system to operate.
  • ✔ Transmission Shifting Problems: The ECM works with the Transmission Control Module (TCM) to ensure smooth shifting. A faulty ECM can cause harsh shifts, delayed engagement, or getting stuck in gear.
  • ✔ Loss of Communication: Your diagnostic scan tool may be unable to communicate with the vehicle’s computer system.

The Plug-and-Play Advantage: VIN Programming Included

Replacing an ECM isn’t just a matter of swapping parts. Modern vehicle computers are coded specifically to the vehicle’s Vehicle Identification Number (VIN). This ensures all systems, options, and security features work correctly. Our service eliminates the most difficult part of the job. When you purchase this 2008 Lucerne Engine Control Module, we will flash it with the latest official GM software updates for your exact VIN. This means the module arrives at your door ready for installation, saving you a costly trip to the dealership for programming. Simply provide your VIN after purchase, and we handle the rest.

This module is a direct replacement for service number 19210737 and is also interchangeable with several other common GM part numbers, including 12590032, 12602044, 12603530, 12605843, 12607096, and 12630457. While it fits a wide range of vehicles, this listing ensures you receive the correct, VIN-programmed unit for your specific application.

Frequently Asked Questions

Do I need to get this ECM programmed by a dealer?

No. We handle the programming for you before shipment. Simply provide us with your vehicle’s 17-digit VIN during or after checkout, and the module will arrive ready for installation.

Where is the ECM located on my 2008 Buick Lucerne?

On the 2008 Lucerne, the Engine Control Module is typically located in the engine bay, situated in the lower part of the air cleaner box assembly. Always disconnect the battery before attempting removal or installation.

What is a VIN and why is it required?

The VIN (Vehicle Identification Number) is a unique 17-digit code for your specific car. We use it to load the correct factory software, calibrations, and security information into the ECM so it communicates perfectly with all the other modules in your vehicle.

Will this part fix my check engine light?

If the check engine light and other symptoms are caused by a faulty ECM, this replacement module will resolve the issue. However, it is crucial to ensure your vehicle has been properly diagnosed, as other failing sensors or wiring issues can cause similar problems.

Is any additional setup required after installation?

In some cases, a Crankshaft Variation Relearn (also known as a CASE relearn) may be necessary to clear certain trouble codes. This procedure can often be completed with a capable bi-directional scan tool or by following a specific drive cycle. A security relearn procedure may also be needed, which typically involves cycling the key and can be done without special tools.

Genuine OEM

Yes

Year
Condition

Refurbished

MPN

19210737

Interchange part number

PartNumber

590

Model

LUCERNE

Year

2009

Brand

GM

Manufacturer Part Number

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Hardware Type

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