Restore Peak Performance to Your SAAB 9-7X
If you’re dealing with frustrating engine problems in your 2007-2008 SAAB 9-7X—like a persistent Check Engine Light, sudden stalling, or a complete no-start condition—a failing Engine Control Module (ECM) is often the culprit. As the brain of your vehicle’s engine, the ECM manages everything from fuel mixture and ignition timing to transmission shifting. When it falters, the entire vehicle’s performance and reliability suffer. This isn’t just an inconvenience; it’s a critical component that needs a reliable solution.
This isn’t just a replacement part; it’s a complete, ready-to-install fix. We take the guesswork and extra cost out of the repair by professionally programming this module to your vehicle’s specific Vehicle Identification Number (VIN). Before we ship it, we load it with the latest, most stable software updates directly from GM. This ensures optimal performance, fuel efficiency, and seamless communication with all other modules in your SAAB, effectively resolving deep-rooted software bugs that may have contributed to the original failure.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 2008 Chevy Trailblazer—which shares its platform with the SAAB 9-7X—that came into my shop with a maddeningly intermittent no-start condition. The owner had already replaced the battery and checked the fuel pump. It would start fine for a week, then refuse to crank for two days. When we scanned it, we found a slew of U-series communication codes, primarily a U0100 (Lost Communication With ECM). After verifying the wiring harness and power/ground supplies to the module were solid, we knew the ECM itself was failing internally. Heat cycles had likely caused a microscopic crack in a solder joint on the main board. A replacement, VIN-programmed 2007-2008 SAAB 9-7X Engine Control Module like this one was the definitive fix. Once installed, the communication network was stable, and the vehicle started reliably every time.
Common Signs of a Failing ECM
- ✔ Unexplained Check Engine Light (CEL) illumination
- ✔ Engine stalling, stumbling, or hesitating during acceleration
- ✔ Complete no-start or intermittent starting problems
- ✔ Noticeable decrease in fuel economy
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Active Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or U0100
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10 minutes for the system to discharge before starting work.
- ✔ Locate the ECM: On the SAAB 9-7X, the ECM is typically found on the driver’s side of the engine compartment, near the firewall or inner fender.
- ✔ Disconnect Connectors: Carefully release the locking tabs on the electrical harness connectors and pull them straight out from the module. Avoid pulling on the wires themselves.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need to reuse it.
- ✔ Install the New Module: Mount your new, pre-programmed ECM onto the bracket and securely fasten it. Reconnect the electrical connectors, ensuring they click into place.
- ✔ Final Steps: Reconnect the negative battery terminal. The vehicle may require a security relearn procedure, which can often be done by cycling the key. Please refer to your vehicle’s service manual for specific instructions.
Verified Vehicle Compatibility
This ECM, part number 12602044, is a direct replacement for a wide range of GM vehicles. It is interchangeable with service numbers 12590032, 12603530, 12605843, 12607096, 12630457, and 19210737. Please verify your vehicle is on the list below.
COLORADO 08 Electronic Control Module; (RH firewall)
ENVOY 07-08 Electronic Control Module; 5.3L (LH engine)
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 19210737
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
XLR 09 Electronic Control Module; (RH front engine compartment), ID 12607096
AURA 08-09 Electronic Control Module; (RH firewall), 2.4L, w/hybrid
DTS 06 Electronic Control Module
DEVILLE 05 Electronic Control Module; (LH engine compartment), ID 12590032
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12605843
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.5L
LACROSSE 08-09 Electronic Control Module; (lower air cleaner housing), 5.3L
STS 06 Electronic Control Module; (LH frame rail), 4.4L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12636660
UPLANDER 09 Electronic Control Module; (LH engine compartment), (3.9L)
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 19210737
SAAB 9-7X 07 Electronic Control Module; (LH engine), 8 cylinder
TRAILBLAZER 07 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 19210737
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 12607096
MONTE CARLO 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
RAINIER 07 Electronic Control Module; (LH engine), 5.3L
ISUZU ASCENDER 08 Electronic Control Module; (4.2L, LH engine), ID 12607096
CTS 06 Electronic Control Module; (RH engine compartment), V-Series, ID 12603530
STS 08 Electronic Control Module; (LH frame rail), 4.6L
G6 06 Electronic Control Module; (LH front engine compartment), ID 12603530
G6 08 Electronic Control Module; (LH front engine compartment), 3.6L
ION 06 Electronic Control Module; 2.4L (opt LE5)
MALIBU 06 Electronic Control Module; 3.9L
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 2.4L, w/hybrid
RELAY 06 Electronic Control Module; (LH engine compartment), 3.9L
VUE 08-09 Electronic Control Module; 2.4L, VIN Z (8th digit, opt LAT)
OUTLOOK 08 Electronic Control Module; (behind fan shroud)
SOLSTICE 06 Electronic Control Module; (LH front frame rail)
VUE 08 Electronic Control Module; 3.6L
VUE 09 Electronic Control Module; 3.6L, VIN 7 (8th digit, opt LY7)
ACADIA 07-08 Electronic Control Module; (behind fan shroud), ID 12607096 (ECM)
AURA 08-09 Electronic Control Module; (RH firewall), 3.6L
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 19210737
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12603530
GRAND PRIX 08 Electronic Control Module; (lower air cleaner box), 5.3L
HHR 06 Electronic Control Module; (LH rear engine compartment), 2.4L
STS 08 Electronic Control Module; (LH frame rail), 4.4L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12590032
ISUZU I-290 08 Electronic Control Module; (RH firewall)
LUCERNE 06 Electronic Control Module; (lower part of air cleaner box), 4.6L
MALIBU 09-10 Electronic Control Module; 2.4L, w/hybrid
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 19210737
IMPALA 06 Electronic Control Module; (lower part of air cleaner box), 3.9L
MONTANA 06 Electronic Control Module; (LH engine compartment), (SV6), 3.9L
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 19210737
ENVOY 08 Electronic Control Module; 4.2L (LH engine), ID 12636660
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12602044
TRAILBLAZER 08 Electronic Control Module; (LH engine), ID 12607096
TRAILBLAZER 09 Electronic Control Module; (LH engine), 4.2L
CANYON 08 Electronic Control Module; (RH firewall)
COBALT 06 Electronic Control Module; (LH front engine compartment), 2.4L (VIN B, 8th digit, 4-146)
ISUZU I-370 08 Electronic Control Module; (RH firewall)
MALIBU 09 Electronic Control Module; 3.6L
SRX 08 Electronic Control Module; (LH engine compartment), (4.6L)
SAAB 9-7X 08 Electronic Control Module; (LH engine), 5.3L
ENCLAVE 08 Electronic Control Module; (behind fan shroud), ID 12607096
G6 09 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
IMPALA 08-09 Electronic Control Module; (lower part of air cleaner box), 5.3L
XLR 06 Electronic Control Module; (RH front engine compartment), 4.4L
XLR 08 Electronic Control Module; (RH front engine compartment)
ENVOY 09 Electronic Control Module; (LH engine), 4.2L
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12607096
G6 07 Electronic Control Module; (LH front engine compartment), 3.6L, ID 12618163
LUCERNE 08 Electronic Control Module; (lower part of air cleaner box), 4.6L, ID 19210737
MONTANA 08-09 Electronic Control Module; (LH engine compartment)
PURSUIT 06 Electronic Control Module; (LH front engine compartment), 2.4L
VUE 10 Electronic Control Module; 3.6L
ACADIA 08 Electronic Control Module; (behind fan shroud), ID 19210737 (PCM)
DTS 08 Electronic Control Module
TERRAZA 06 Electronic Control Module; (LH engine compartment), 3.9L
TRAILBLAZER 07 Electronic Control Module; (LH engine), 6.0L
SAAB 9-7X 08 Electronic Control Module; (LH engine), 6.0L
HUMMER H3 08 Electronic Control Module; (RH firewall)
MALIBU 08 Electronic Control Module; new style (emblem in bumper cover), 3.6L
UPLANDER 08 Electronic Control Module; (LH engine compartment), (3.9L), ID 12607096
UPLANDER 06 Electronic Control Module; (LH engine compartment), 3.9L
Frequently Asked Questions
How does the VIN programming process work?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our technicians use this number to access the latest GM software and flash the module specifically for your vehicle’s factory options and configuration. This ensures it works correctly right out of the box.
Is this a plug-and-play installation?
Yes, for most vehicles. Because the module comes pre-programmed to your VIN, it eliminates the need for expensive dealer tools. In some cases, a simple security or anti-theft relearn procedure may be required, which typically involves a few cycles of the ignition key.
Will this fix my specific check engine light code?
This ECM is a common solution for internal processor failure codes like P0601 through P0606, as well as communication codes like U0100. However, it’s always best to have a proper diagnosis to confirm the ECM is the fault and not a sensor or wiring issue.
What if I order the wrong part?
We strongly encourage you to use the detailed fitment list on this page or contact us with your VIN before ordering. Providing your VIN for programming helps us double-check compatibility and ensure you receive the correct part the first time.