Is Your Cadillac XLR Running Rough or Refusing to Start?
The Cadillac XLR, especially the supercharged V-series, is a masterpiece of engineering. But when its central nervous systemโthe Engine Control Module (ECM)โstarts to fail, that precision performance can turn into a major headache. You might be experiencing baffling issues like intermittent stalling, a persistent check engine light with a host of communication codes, poor fuel economy, or even a complete no-start condition where the engine just cranks endlessly. These aren’t just annoyances; they’re signs that the brain of your vehicle is in trouble.
From the Shop Floor: A Real-World XLR-V Story
“A customer’s 2006 XLR-V came in last week with these exact symptoms. It had an intermittent no-start and would occasionally go into ‘Reduced Engine Power’ mode on the highway. We scanned it and found a slew of U-codes, indicating a network communication failure, all pointing back to the ECM. After checking the power and ground circuits to the module, which were solid, we knew the ECM’s internal processor was failing. Heat and vibration in the XLR’s tight engine bay are common culprits. We replaced it with one of our VIN-programmed units, and the car ran perfectly, with the crisp throttle response the owner remembered. It’s a fix I’ve performed hundreds of times on these GM platforms.”
The Right Part, Programmed Correctly
Your XLR’s engine is a complex system that relies on precise data to run correctly. Simply installing a used ECM from another vehicle won’t work. It needs to be programmed with the correct software and calibration files specific to your car’s Vehicle Identification Number (VIN). This process typically requires expensive dealership tools and labor, adding hundreds of dollars and significant downtime to your repair.
This is a genuine GM Engine Control Module, service part number 19210737. It is the correct, reliable solution for a wide range of GM vehicles, ensuring perfect communication and performance. We take the hassle out of the replacement process.
Why Choose Our Pre-Programmed ECM?
We solve the biggest challenge of replacing a modern ECM. Before we ship your part, our in-house experts use your VIN to load the latest, most stable software directly from GM. This isn’t a generic file; it’s the specific calibration your XLR needs to operate flawlessly.
- โ No Dealership Visit Required: Save time and money by avoiding the dealership’s programming fees.
- โ Plug-and-Play Installation: Once you receive the module, it’s ready to be installed. In most cases, a security relearn procedure may be required, which can be done without special tools.
- โ Latest GM Updates: Your module will have the most recent software updates, which can solve factory-known bugs and improve performance and efficiency.
- โ Guaranteed Compatibility: By using your VIN, we ensure the module is 100% correct for your vehicle’s specific options and systems.
Confirming Your Part Number
To ensure a perfect match, please verify that your existing module has one of the following service numbers printed on the label. This part, 19210737, is the direct replacement for all of them:
Interchangeable Part Numbers: 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, 19210737
Simple Ordering Process
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. Our technicians will handle the programming, and the module will be shipped directly to you, ready for installation. Restore your Cadillac’s performance and reliability today.