End the Frustration of a Failing Engine Computer
Is your vehicle leaving you stranded with a no-start condition, erratic performance, or a check engine light that just won’t go away? The Powertrain Control Module (PCM) is the brain of your vehicle, and when it fails, it can cause a host of baffling and stressful problems. From rough idling and poor fuel economy to complete communication loss with diagnostic tools, a faulty PCM can turn your reliable ride into a source of constant worry. This replacement module is the definitive solution, designed to restore your vehicle’s performance and your peace of mind.
Benefits for Lasting Reliability
This isn’t just a replacement part; it’s a comprehensive fix. We take the guesswork out of the repair by programming the module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This ensures it communicates flawlessly with all other systems, just like the original. Regain that smooth, responsive drive you remember.
- ✔ VIN-Programmed for You: Arrives ready for installation with the latest GM software updates, eliminating the need for expensive dealership programming.
- ✔ Solves Common DTCs: Effectively clears persistent trouble codes like P0601 (Internal Control Module Memory Check Sum Error), P0606 (PCM Processor Fault), and U0100 (Lost Communication With ECM/PCM).
- ✔ Restores Peak Performance: Corrects issues like harsh shifting, engine stumbling, and poor acceleration, bringing back crisp engine response.
- ✔ Broad Compatibility: A direct replacement for multiple service numbers, including 12597125, 12629019, and 12635902.
- ✔ Confidence on the Road: Drive knowing the core of your vehicle’s management system is stable and reliable.
Guided Installation to Restore Your Drive
Getting your vehicle back to 100% is easier than you think. While a security relearn procedure may be necessary, the physical swap is straightforward. Follow these steps for a successful installation.
- Safety First: Begin by disconnecting the negative terminal of your vehicle’s battery to prevent any electrical shorts.
- Locate the Old Module: On many models like the Impala or Lucerne, the PCM is found attached to the lower part of the air cleaner box. On trucks like the Silverado, it’s often under the battery tray. Carefully disconnect the wiring harnesses (they have locking tabs) and unbolt the module.
- Install the New Unit: Mount your new, pre-programmed PCM in the same location. Securely reconnect the wiring harnesses, ensuring you hear a ‘click’ as they lock into place.
- Reconnect and Learn: Reconnect the battery terminal. In most cases, you will need to perform a simple security relearn procedure (often called a “key-on, key-off” sequence) to sync the new module with your vehicle’s anti-theft system. Consult your vehicle’s service information for the exact steps.
Expert’s Corner: The Diagnostic Dead End
“I once had a customer with a 2010 Malibu that had been to three different shops. It had a random stalling issue that nobody could pin down. No consistent codes, no obvious wiring faults. It was a true ghost. On a hunch, we suggested replacing the PCM. The customer was skeptical but desperate. After installing a VIN-programmed unit like this one, the problem vanished instantly. It’s a powerful reminder that the PCM’s health is fundamental to everything else working correctly. Sometimes, the simplest solution is the right one.”
Tailored Fit for Your GM Vehicle
This module is engineered to work with a wide array of General Motors cars, trucks, and vans. Please verify your vehicle is on the list below. This is the correct 2011 Impala PCM and also fits the following:
- AURA: 2008-2009 (2.4L, w/o hybrid)
- COBALT: 2007-2010 (2.2L, 2.4L)
- EXPRESS 1500 VAN: 2008-2009 (4.3L)
- G5: 2007-2010
- G6: 2008-2010 (2.4L)
- HHR: 2007-2011 (2.2L, 2.4L)
- IMPALA: 2010-2011
- LUCERNE: 2009-2011 (3.9L)
- MALIBU: 2007-2012 (2.2L, 2.4L, 3.5L)
- SAVANA 1500 VAN: 2008-2009 (4.3L)
- SIERRA 1500 PICKUP: 2007-2009 (4.3L, w/o hybrid)
- SILVERADO 1500 PICKUP: 2007-2009 (4.3L, w/o hybrid)
- SKY: 2008-2010 (2.4L)
- SOLSTICE: 2008-2010 (2.4L)
- VUE: 2008-2010 (2.4L)
Frequently Asked Questions
Is this module ready to install right out of the box?
Yes! We program it with the latest GM software using the VIN you provide during checkout. This means it’s ready for physical installation. However, you will likely need to perform a simple security/anti-theft relearn procedure, which can typically be done without special tools.
How do I provide my VIN?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is specific to your vehicle.
What is a security relearn procedure?
It’s a sequence of steps that syncs the new PCM to your vehicle’s existing keys and anti-theft system. A common method is the “30-minute relearn,” which involves turning the key to the ‘ON’ position for 10 minutes, then ‘OFF’, and repeating this cycle three times. Please check the specific procedure for your model year.
Will this fix my specific problem?
This part is a common solution for issues like a no-start condition, communication errors, and internal processor fault codes (e.g., P0601). While it resolves many problems, we always recommend a proper diagnosis by a qualified technician to confirm the PCM is the point of failure before ordering.
What if my original part number isn’t on the list?
The service numbers listed (like 12597125, 12629019, etc.) are interchangeable. As long as your vehicle make, model, year, and engine match our fitment chart, this module will be the correct, programmed replacement for your vehicle, even if your original number differs.