How to replace the Engine Control Module (ECM) on 2006 Cadillac STS?

In order to change the Engine Control Module (ECM), make sure that the ignition is switched off so that it is not damaged. Wipe connector surfaces and examine gaskets. Scan tool and record engine oil and transmission fluid life. Disconnect the battery, take off the ECM, then put on the new one and program it to function appropriately.

OEM 2006 Cadillac STS Engine Control Module

Engine Control Computer

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

3 Engine Control Modules found

View related parts
2006 Cadillac STS PCM Part Number: 12678511
$265.60 MSRP: $538.40
You Save: $272.80 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12636660, 12607096
- Item Weight: 2.30 Pounds
- Item Dimensions: 8.2 x 7.4 x 4.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12678511
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Cadillac STS Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
View related parts
2006 Cadillac STS PCM Part Number: 12576523
Product Specifications
- Other Name: Module, Engine Control; Engine Control Module; ECM; Module, Emission Control System
- Item Weight: 1.30 Pounds
- Item Dimensions: 8.2 x 7.2 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12576523
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Cadillac STS Submodels:
- Base | 8 Cyl 4.6 L GAS
View related parts
2006 Cadillac STS ECM Part Number: 12600940
$299.25 MSRP: $536.78
You Save: $237.53 (45%)
Product Specifications
- Other Name: Module, Engine Control; Engine Control Module
- Item Weight: 0.80 Pounds
- Item Dimensions: 6.8 x 5.9 x 2.9 inches
- Condition: New
- SKU: 12600940
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2006 Cadillac STS Submodels:
- Base | 6 Cyl 3.6 L GAS

2006 Cadillac STS Engine Control Module

With a comprehensive array of OEM 2006 Cadillac STS Engine Control Module, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 Cadillac STS Engine Control Module are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2006 Cadillac STS Engine Control Module Parts and Q&A

Q: How to replace the Engine Control Module (ECM) on 2006 Cadillac STS?
A: In order to change the Engine Control Module (ECM), make sure that the ignition is switched off so that it is not damaged. Wipe connector surfaces and examine gaskets. Scan tool and record engine oil and transmission fluid life. Disconnect the battery, take off the ECM, then put on the new one and program it to function appropriately.