Is Your Saturn SKY Running Rough, Stalling, or Refusing to Start?
If you’re dealing with baffling electrical gremlins in your 2008-2010 Saturn SKY, the Powertrain Control Module (PCM) is often the culprit. As a technician with over two decades of experience, I’ve seen firsthand how a failing PCM can turn a reliable car into a source of constant frustration. Symptoms can appear suddenly and often seem unrelated, making diagnosis a real challenge for the average owner.
Common Symptoms of a Failing Saturn SKY PCM
A faulty engine computer doesn’t always fail completely. Often, it begins to break down internally, causing intermittent and confusing issues. You might be experiencing:
- ✔ Unexplained Check Engine Light with codes that won’t clear, especially communication codes (U-codes) or internal processor codes (like P0601 or P0606).
- ✔ Engine stalling for no reason, either while driving or at idle.
- ✔ A complete no-start condition where the engine cranks but won’t fire up.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Poor fuel economy and a noticeable loss of engine power.
- ✔ Other warning lights, like traction control or ABS, illuminating along with the Check Engine Light.
Expert Pro Tip: Check Your Connections First!
Before you condemn your PCM, take a moment to inspect the module’s connectors and the vehicle’s main ground points. On the Saturn SKY, the PCM is located on the left front frame rail, making it susceptible to moisture and corrosion over time. I’ve seen cases where simply cleaning a corroded ground strap or reseating the PCM connectors resolved the issue. Always rule out the simple stuff first to save yourself time and money.
The Plug-and-Play Solution: A VIN-Programmed PCM
This isn’t just a replacement part; it’s a comprehensive solution. This listing is for a service-ready PCM, part number 12597125, which is the correct replacement for units with service number 12629020 and others. The real value is in our process: we flash the module with the latest, most stable software updates from General Motors, specifically matched to your vehicle’s VIN. This eliminates the need for an expensive trip to a dealership for programming.
Why does this matter? GM often releases software updates to fix drivability bugs and improve performance that were present in the original factory software. By installing this module, you’re not just replacing a broken part—you’re getting the best possible version of your vehicle’s operating system.
How It Works: Simple and Straightforward
- Place Your Order: Purchase this PCM through our secure checkout.
- Provide Your VIN: After your purchase, send us your vehicle’s 17-digit VIN. This is crucial for the programming process.
- We Program & Ship: Our technicians will program the module with your VIN and the latest GM calibrations. We then ship it directly to you.
- Install: Simply disconnect the battery, swap the old module with the new one, and reconnect the battery. In most cases, the vehicle will start and run perfectly. A crankshaft position variation (CASE) relearn may be required with a compatible scan tool for optimal performance and to clear any related codes, but the vehicle will be drivable.
Guaranteed Compatibility
This PCM is the correct replacement for modules with the following service numbers:
- ✔ 12594750
- ✔ 12597125
- ✔ 12611549
- ✔ 12612397
- ✔ 12629019
- ✔ 12629020
- ✔ 12635902
- ✔ DL216140
This part will fit these makes and models with these options:
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/o hybrid
COBALT 07-08 Electronic Control Module; (LH front engine compartment), 2.2L (VIN F)
COBALT 08 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B)
COBALT 09 Electronic Control Module; (LH front engine compartment), 2.2L (VIN H)
COBALT 10 Electronic Control Module; (LH front engine compartment), 2.2L (VIN 5)
EXPRESS 1500 VAN 08-09 Electronic Control Module; (LH rear engine compartment), 4.3L
G5 07 Electronic Control Module; (LH front engine compartment), 2.2L (VIN F)
G5 08-10 Electronic Control Module
G6 08-09 Electronic Control Module; (LH front engine compartment), 2.4L
G6 10 Electronic Control Module; (LH front engine compartment)
HHR 07-11 Electronic Control Module; (LH rear engine compartment), 2.2L
HHR 08-11 Electronic Control Module; (LH rear engine compartment), 2.4L
IMPALA 10-11 Electronic Control Module; (lower part of air cleaner box)
LUCERNE 09-11 Electronic Control Module; (lower part of air cleaner box), 3.9L
MALIBU 07 Electronic Control Module; 2.2L
MALIBU 08 Electronic Control Module; classic style (emblem in grille), 2.2L
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 2.4L, w/o hybrid
MALIBU 09-10 Electronic Control Module; 2.4L, w/o hybrid
MALIBU 10 Electronic Control Module; 3.5L
MALIBU 11-12 Electronic Control Module; 2.4L
SAVANA 1500 VAN 08-09 Electronic Control Module; (LH rear engine compartment), 4.3L
SIERRA 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/4.3L
SIERRA 1500 PICKUP 08 Electronic Control Module; (LH front under battery), w/4.3L
SIERRA 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/4.3L
SILVERADO 1500 PICKUP 07 Electronic Control Module; new style (smooth door skin), (LH front under battery), w/4.3L
SILVERADO 1500 PICKUP 08 Electronic Control Module; (LH front under battery), w/4.3L
SILVERADO 1500 PICKUP 09 Electronic Control Module; (LH front engine compartment), w/o hybrid option; w/4.3L
SKY 08-10 Electronic Control Module; (LH front frame rail), 2.4L
SOLSTICE 08-10 Electronic Control Module; (LH front frame rail), 2.4L
VUE 08-09 Electronic Control Module; 2.4L, VIN P (opt LE5)
VUE 10 Electronic Control Module; 2.4L