Restore Your Vehicle’s Performance and Reliability
Is your Cadillac or GM vehicle acting erratically? Dealing with a persistent check engine light, unexplained stalling, or a frustrating no-start condition can make you lose faith in your car. As a technician with over two decades of experience, I’ve seen firsthand how a failing Engine Control Module (ECM) can be the hidden culprit behind these baffling issues. This isn’t just a component; it’s the brain of your engine, and when it falters, everything else does too. This Engine Control Module, part number 12607096, is the definitive solution to restore your vehicle’s proper function and your peace of mind.
We take the guesswork and extra cost out of the repair. Unlike a generic module from a parts store, this ECM arrives at your door fully programmed with the latest GM software, specifically matched to your vehicle’s VIN. This means no expensive trips to the dealership for programming and no need for specialized scan tools. It’s a direct-fit, ready-to-install solution for both seasoned mechanics and determined DIYers.
A Technician’s Notebook
I remember a 2006 Cadillac CTS-V that came into the bay with a problem that had stumped two other shops. The owner complained of intermittent stalling at stoplights and a random no-start that would resolve itself after a few minutes. No consistent codes were stored, except for an occasional P0606 (ECM Processor Fault). We checked grounds, wiring, and fuel pressure—all perfect. On a hunch, we monitored the ECM’s internal temperature data and noticed it spiking right before a stall. The processor was overheating internally. We replaced it with a VIN-programmed module like this one. The problem vanished instantly. It’s a classic example of how a failing 2006 CTS Engine Control Module can create ghost-like symptoms that are impossible to trace without replacing the core component.
Is Your Vehicle Showing These Signs of ECM Failure?
A faulty engine computer can manifest in numerous ways. If you’re experiencing any of the following, a failing ECM is a likely cause. Look out for:
- ✔ Unexplained Check Engine Light (CEL) illumination
- ✔ Stored diagnostic trouble codes (DTCs) such as P0601, P0606, or U0100
- ✔ Engine stalling, hesitation, or rough idling
- ✔ A complete no-start or intermittent starting condition
- ✔ Noticeable decrease in fuel economy
- ✔ Poor transmission shifting or performance issues
- ✔ Failure to pass state emissions tests
Your Straightforward ECM Installation Guide
Installing your new 2006 CTS Engine Control Module is a manageable job for anyone with basic tools. Following these steps will help ensure a smooth process.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent any accidental electrical contact.
- Locate the Old ECM: On the 2006 Cadillac CTS, the ECM is typically found in the engine compartment on the right-hand (passenger) side. Its exact location can vary on other models, so consult a repair manual if you’re unsure.
- Disconnect and Remove: Carefully unplug the wiring harness connectors. Most have a locking tab that needs to be released. Once disconnected, unbolt the module from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed ECM onto the bracket and securely fasten the bolts. Reconnect the wiring harnesses, making sure they click firmly into place.
- Reconnect Power: Reattach the negative battery terminal. Your vehicle is now ready to start. Some vehicles may require an idle relearn procedure, which usually involves letting the engine idle for several minutes.
Verified Fitment Across a Wide Range of GM Vehicles
This module is a direct replacement for service numbers 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. Please verify your part number and check the extensive compatibility list below to ensure a perfect fit for your specific car, truck, or SUV.
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 About This 2006 CTS Engine Control Module
Frequently Asked Questions
What exactly is VIN programming?
VIN programming is the process where we load your vehicle’s specific Vehicle Identification Number (VIN) and the latest factory software onto the ECM. This ensures the module communicates perfectly with your car’s other systems, just like the original, without any additional setup required.
How do I provide my VIN?
After you complete your purchase, you will receive instructions to send us your 17-digit VIN. We cannot ship your part until we receive this information, as the programming is essential for the part to function.
Do I need to do anything extra after installation?
In most cases, no. The module is designed to be plug-and-play. Some vehicles may benefit from an idle relearn or a security relearn procedure, which are simple processes you can typically do yourself. We can provide guidance if needed.
How can I be sure this fits my vehicle?
The best way is to match the service number from your original ECM to one of the numbers listed (e.g., 12607096, 12603530). You can also use the detailed fitment list provided above. Providing your VIN for programming is the final check that guarantees compatibility.