How to replace the Engine Control Module (ECM) on GMC Sierra 1500?

The first step when replacing an Engine Control Module should be turning off ignition to protect the module from internal damage during connector installation or removal and power disconnection procedures. The metal control module frame should not receive battery voltage to protect its operation and touching connector pins or solder connections is unsafe because it generates electrostatic discharge. Check the connector surfaces for debris before checking if the gaskets are correctly installed to stop contaminant penetration. A scan tool should be used to record the remaining engine oil life data because lack of programming will cause the new module to default to 100% leading to an oil change at 5,000 km (3,000 mi) based on the last change. Proceed with disabling the negative Battery Cable and releasing the ecm electrical connector retainers before pulling out the connectors from the ecm position. The installation requires removal of the ecm after detaching its retainer tabs which secure the ecm against the bracket. The installation process of this unit requires users to first insert the bottom ecm tabs into the bracket before pushing the ecm unit to lock it in place with retainer clips applied to both the upper and lower electrical connectors. Ending the procedure requires reattaching the negative Battery Cable and performing an ecm programming step for any newly installed unit.

OEM GMC Sierra 1500 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).

26 Engine Control Modules found

View related parts
GMC Sierra 1500 ECM Part Number: 12625455
$232.61 MSRP: $424.70
You Save: $192.09 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Engine Control (W/2ND Mpu); Engine Control Module; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
View related parts
GMC Sierra 1500 ECM Part Number: 12703872
$204.82 MSRP: $414.92
You Save: $210.10 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; Module, Emission Control System
- Replaces: 12686430, 12692070
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019 GMC Sierra 1500 | AT4, Base, Denali, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 PCM Part Number: 19210738
$243.78 MSRP: $456.42
You Save: $212.64 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Powertrain Control; Engine Control Module; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 PCM Part Number: 12633238
$245.01 MSRP: $496.56
You Save: $251.55 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
View related parts
GMC Sierra 1500 ECM Part Number: 12692068
$279.58 MSRP: $566.80
You Save: $287.22 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu) E92 Service ECM, 5 Byt; Engine Control Module
- Replaced by: 12704476
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12692067
$278.29 MSRP: $564.16
You Save: $285.87 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu) E92 Service ECM 2-Byte; Engine Control Module
- Replaced by: 12704477
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2016 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12635043
$213.69 MSRP: $434.02
You Save: $220.33 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
View related parts
GMC Sierra 1500 Knock Sensor Part Number: 12612397
$316.33 MSRP: $642.48
You Save: $326.15 (51%)
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12597125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2009 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12733908
$221.26 MSRP: $396.89
You Save: $175.63 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/O Calibration); Module, Emission Control System
- Replaces: 12724450
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | AT4, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
View related parts
GMC Sierra 1500 ECM Part Number: 12719704
$190.48 MSRP: $386.88
You Save: $196.40 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/O Calibration); Module, Emission Control System
- Replaces: 12711353
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12726508
$193.23 MSRP: $346.62
You Save: $153.39 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System
- Replaces: 12697793, 12689093
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12725415
$259.04 MSRP: $526.15
You Save: $267.11 (51%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/O Calibration); Module, Emission Control System
- Replaces: 12718010
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Sierra 1500 | Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12724217
$305.91 MSRP: $548.72
You Save: $242.81 (45%)
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/O Calibration); Module, Emission Control System
- Replaces: 24001263, 24000211, 24001862
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
View related parts
GMC Sierra 1500 ECM Part Number: 12624927
$388.99 MSRP: $790.08
You Save: $401.09 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV)
View related parts
GMC Sierra 1500 ECM Part Number: 12602801
$534.19 MSRP: $962.30
You Save: $428.11 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Powertrain Control (P59)
- Replaced by: 89017749
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 GMC Sierra 1500 | Base, SL, WT | 6 Cyl 4.3 L GAS
View related parts
GMC Sierra 1500 PCM Part Number: 12612384
$261.01 MSRP: $488.26
You Save: $227.25 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 GMC Sierra 1500 | Denali, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 PCM Part Number: 12200411
$239.24 MSRP: $434.84
You Save: $195.60 (45%)
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 GMC Sierra 1500 | Base, C3, Denali, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
GMC Sierra 1500 PCM Part Number: 19299227
$240.92 MSRP: $441.84
You Save: $200.92 (46%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Engine Control (Remanufacture); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 89017739, 12586243
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 GMC Sierra 1500 | Base, SLE, SLT, WT | 6 Cyl 4.3 L GAS
View related parts
GMC Sierra 1500 ECM Part Number: 12629278
$258.14 MSRP: $463.04
You Save: $204.90 (45%)
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module
- Replaces: 12611182
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV)
View related parts
GMC Sierra 1500 Control Module Part Number: 15263889
Product Specifications
- Other Name: Module, Engine Electrical
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 GMC Sierra 1500 | Hybrid | 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV)

| Page 1 of 2 |Next >

1-20 of 26 Results

GMC Sierra 1500 Engine Control Module

Want to cut long-term maintenance and repair costs? Choose OEM Engine Control Module. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine GMC Sierra 1500 parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM GMC Sierra 1500 Engine Control Module includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

GMC Sierra 1500 Engine Control Module Parts Questions & Experts Answers

ECM
12629278
Q: How to replace the Engine Control Module (ECM) on GMC Sierra 1500?
A:
The first step when replacing an Engine Control Module should be turning off ignition to protect the module from internal damage during connector installation or removal and power disconnection procedures. The metal control module frame should not receive battery voltage to protect its operation and touching connector pins or solder connections is unsafe because it generates electrostatic discharge. Check the connector surfaces for debris before checking if the gaskets are correctly installed to stop contaminant penetration. A scan tool should be used to record the remaining engine oil life data because lack of programming will cause the new module to default to 100% leading to an oil change at 5,000 km (3,000 mi) based on the last change. Proceed with disabling the negative Battery Cable and releasing the ecm electrical connector retainers before pulling out the connectors from the ecm position. The installation requires removal of the ecm after detaching its retainer tabs which secure the ecm against the bracket. The installation process of this unit requires users to first insert the bottom ecm tabs into the bracket before pushing the ecm unit to lock it in place with retainer clips applied to both the upper and lower electrical connectors. Ending the procedure requires reattaching the negative Battery Cable and performing an ecm programming step for any newly installed unit.