Is Your Cadillac DTS Running Rough? The ECM Might Be the Culprit.
If your 2006 Cadillac DTS is experiencing frustrating issues like a persistent check engine light, erratic performance, stalling, or even a no-start condition, a failing Engine Control Module (ECM) is a very likely cause. The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifts. When it fails, the entire system can be thrown into disarray, leaving you with an unreliable and inefficient vehicle.
From the Diagnostic Bay
We had a 2006 DTS come into the shop that had its owner completely stumped. The car would start fine cold, but after 15 minutes of driving, it would start to misfire, hesitate, and eventually stall. No specific sensor codes were present, only a generic internal processor fault code (P0606). After checking all the wiring and grounds, we swapped in a known-good, programmed ECM. The car ran perfectly. The original module’s internal components were failing under heat, a classic sign of ECM failure that can be incredibly difficult to diagnose without simply replacing the part.
The Direct-Fit Solution: A Programmed 2006 DTS Engine Control Module
Don’t let a faulty computer keep your luxury sedan off the road. This Engine Control Module is the definitive solution for your 2006 Cadillac DTS. We take all the guesswork and hassle out of the repair by pre-programming the module specifically for your vehicle using your VIN. This means it arrives at your door with the latest GM software updates already installed, ready for a straightforward installation. You get a part that restores original performance and reliability without the exorbitant costs and scheduling headaches of a dealership visit.
Symptoms of a Failing ECM and Features of This Replacement
- ✔ Check Engine Light: Often illuminates with internal module fault codes (e.g., P0601, P0602, P0606).
- ✔ Poor Engine Performance: Noticeable loss of power, hesitation during acceleration, and rough idling.
- ✔ Starting & Stalling Issues: Your vehicle may crank but not start, or it may stall unexpectedly while driving.
- ✔ Decreased Fuel Economy: An inefficiently running engine will consume more fuel than usual.
- ✔ Transmission Problems: The ECM also communicates with the transmission, so you might experience harsh or erratic shifting.
- ✔ VIN-Programmed: Arrives flashed with the latest GM software matched to your specific vehicle. No additional programming needed.
- ✔ Plug-and-Play Installation: Designed for a direct fit, making the replacement process as simple as possible.
This module is a direct replacement for service number 12590032 and is also interchangeable with the following part numbers: 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737. Simply provide your VIN after purchase, and we’ll handle the complex programming, ensuring a seamless repair.
Guaranteed Fitment For a Wide Range of GM Vehicles
While this is a perfect fit for the 2006 DTS Engine Control Module, its versatile design allows it to be used in many other GM cars and trucks. Please verify your part number and check the comprehensive list below to confirm compatibility with your specific make, model, and engine option.
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
Do I need to program this module when I receive it?
No. This ECM comes fully programmed to your vehicle’s specific VIN with the latest GM software updates. It is ready for installation right out of the box.
What information do you need from me?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). We cannot program and ship the module without it.
Will this fix my check engine light?
If the check engine light and performance issues are caused by a faulty ECM, this part will resolve those problems. However, it is crucial to ensure your vehicle has been properly diagnosed, as other failing sensors or components can cause similar symptoms.
Is any other setup required after installation?
In some cases, a security relearn or crank position sensor relearn procedure may be necessary. These are typically simple procedures that can be done without special tools. Instructions can often be found in your owner’s manual or online forums for your vehicle.
Which part numbers does this module replace?
This module is a direct replacement for service number 12590032 and is also a compatible replacement for 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737.