How to program the Engine Control Module on Chevrolet Impala?

Obtain the VIN from the vehicle and start programming the Engine Control Module. The Techline terminal enables users to choose Service Programming followed by Tech 2 then select Reprogram ECU and Off-Board Programming Adapter as the programming location. Follow the protocol to connect the control module with the Tech 2 by utilizing off-board programming adapter equipment from the off-board programming adapter kit using appropriate connectors. Start the Service Programming Request Information function on the Tech 2 to exchange signals with the control module before you close the function screen. The Tech 2 requires detachment from the Off-Board Programming Adapter before it should be connected to the Techline terminal for activation. Using the Techline terminal enter the VIN of the vehicle that will accept the control module and a database connection message will appear. Determine the programming nature and pick the suitable calibration file while ensuring all cables remain secure. The Techline terminal presents the summary screen that requires your confirmation before starting the automatic calibration file transfer to the Tech 2. Terminating the Tech 2 download provides the option to detach it from the Techline terminal before connecting it to the Off-Board Programming Adapter. Select Service Programming on the Tech 2. Do not disconnect the Off-Board Programming Adapter unless you complete the programming procedure successfully and all system connections remain secure and the software is updated on Techline. The control module needs replacement if reprogramming fails to execute. Complete the download within Service Programming on the Tech 2 then choose Program and finally disable the off-board programming adapter.

How should the Engine Control Module (PCM) be serviced to prevent damage and ensure proper installation on Chevrolet Impala?

Before working with the Engine Control Module (PCM) service the connector pins along with the soldered components on the circuit board should not get touched because electrostatic discharge (ESD) damage can occur. You must turn off your ignition completely before working on pcm connector installations and before disconnecting or reconnecting power from the pcm using the Battery Cable as well as jumper cables and the pcm pigtail and pcm Fuse to prevent internal damage. The service pcm receipt requires a transfer of broadcast code and production pcm number for label identification throughout its service lifespan yet does not involve recorded information on the pcm cover. Two options exist for servicing the pcm since practitioners must either implement a new unit or operate eeprom programming. Diagnostic testing will show whether the pcm requires replacement giving an opportunity to check that the replacement part matches the requirements. The service pcm will replace the faulty unit after removal. A service electrically erasable programmable read-only memory (EEPROM) received from the service department needs no programming while the storage location p0602 functions as an error indicator for unprogrammed or faulty eeprom. Start the removal by first disconnecting the negative Battery Cable then removal of the air cleaner housing cover assembly. First disconnect the air cleaner housing-based pcm connectors before pulling out the pcm assembly with its harness. Afterwards remove the pcm connectors. Install the pcm by attaching it to the connectors while tightening the connections to 8 n.m (71 lb in). Reinstall the pcm together with its harness inside the air cleaner housing before installing the air cleaner housing cover assembly and finally reconnecting the negative Battery Cable. Program the new pcm before its installation when a replacement is necessary.

OEM Chevrolet Impala Engine Control Module

Engine Control Computer

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21 Engine Control Modules found

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Chevrolet Impala ECM Part Number: 12651993
$379.04 MSRP: $769.86
You Save: $390.82 (51%)
ADD TO CART
Product Specifications
- Other Name: Module, Engine Control (W/2ND Mpu); Engine Control Module; Module, Emission Control System
- Replaces: 12616889, 12650256, 12642665, 12637106
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2012 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala PCM Part Number: 12678511
$265.60 MSRP: $538.40
You Save: $272.80 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 12636660, 12607096
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009, 2007 Chevrolet Impala | LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
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Chevrolet Impala Control Module Part Number: 1226025
$104.39 MSRP: $188.76
You Save: $84.37 (45%)
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Engine Control (Remanufactured); Engine Control Module; ECM; Module, Emission Control System(EGR Valves); Module, Emission Control System
- Replaced by: 88999108
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Chevrolet Impala | Base | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
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Chevrolet Impala PCM Part Number: 12653998
$389.84 MSRP: $791.80
You Save: $401.96 (51%)
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 12633555
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Impala | LS, LT, LTZ | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala 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:
- 2010-2011 Chevrolet Impala | LS, LT, LTZ, Police | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX
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Chevrolet Impala ECM, Green Line Part Number: 19210737
$193.35 MSRP: $542.95
You Save: $349.60 (65%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly, Powertrain Control; Engine Control Module
- Replaced by: 19421503
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Chevrolet Impala | SS | 8 Cyl 5.3 L GAS
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Chevrolet Impala PCM Part Number: 12209614
$322.30 MSRP: $583.37
You Save: $261.07 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaced by: 19433893
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2004 Chevrolet Impala | Base | 6 Cyl 3.4 L GAS
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Chevrolet Impala PCM Part Number: 12667002
$248.14 MSRP: $504.00
You Save: $255.86 (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:
- 2017-2020 Chevrolet Impala | LS, LT, Premier | 4 Cyl 2.5 L FLEX, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L BI-FUEL, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chevrolet Impala PCM Part Number: 12583827
$454.50 MSRP: $918.86
You Save: $464.36 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 89017736
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 Chevrolet Impala | Base, LS, Police, SS | 6 Cyl 3.4 L GAS, 6 Cyl 3.8 L GAS
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Chevrolet Impala 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:
- 2008-2009 Chevrolet Impala | 50th Anniversary Edition, LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L FLEX, 8 Cyl 5.3 L GAS
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Chevrolet Impala PCM Part Number: 12209624
$319.15 MSRP: $597.04
You Save: $277.89 (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:
- 2001-2004 Chevrolet Impala | Base, LS, LS Sport, Police, SS | 6 Cyl 3.8 L GAS
View related parts
Chevrolet Impala PCM Part Number: 12596679
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:
- 2006-2007 Chevrolet Impala | LS, LT, LTZ, Police, SS | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Impala PCM Part Number: 12651994
$517.66 MSRP: $932.72
You Save: $415.06 (45%)
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 12643248
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2013-2014 Chevrolet Impala | Eco, LS, LT, LTZ, Police | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Chevrolet Impala ECM Part Number: 88999145
$111.42 MSRP: $198.44
You Save: $87.02 (44%)
Product Specifications
- Other Name: Module Assembly, Engine Control (Remanufacture); Engine Control Module; Module, Emission Control System
- Replaces: 01227746, 1227746
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Chevrolet Impala | Base | 6 Cyl 3.8 L GAS, 6 Cyl 4.3 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 88999158
$131.47 MSRP: $233.26
You Save: $101.79 (44%)
Product Specifications
- Other Name: Module Assembly, Engine Control (Remanufacture); Engine Control Module; ECM; Module, Emission Control System
- Replaces: 01228746, 1228746
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1985 Chevrolet Impala | Base | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL, 8 Cyl 5.7 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 88963801
Product Specifications
- Other Name: Module Assembly, Powertrain Control (Remanufacture) Requires Reprogramming; Engine Control Module; PCM; ECM; Module, Emission Control System
- Replaces: 16214399
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 9361735
Product Specifications
- Other Name: Module Assembly, Powertrain Control (Remanufacture) Requires Reprogramming; Engine Control Module; PCM; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 Chevrolet Impala | Base | 6 Cyl 3.4 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 88961150
Product Specifications
- Other Name: Module Assembly, Powertrain Control (Remanufacture) Requires Reprogramming; Engine Control Module; PCM; ECM; Module, Emission Control System
- Replaces: 16188051
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Chevrolet Impala | SS | 8 Cyl 5.7 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 9380717
Product Specifications
- Other Name: Module Assembly, Powertrain Control (Remanufacture) Requires Reprogramming; Engine Control Module; PCM; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2001 Chevrolet Impala | Base, LS | 6 Cyl 3.8 L GAS
View related parts
Chevrolet Impala Control Module Part Number: 24279540
Product Specifications
- Other Name: Module Assembly-Generator Control & Battery (New Domestic); Battery Assembly; Module; Module, Engine Electrical; Battery
- Replaces: 23102217, 23159967, 23346806, 22948845, 23211190
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Chevrolet Impala | Eco, LS, LT, LTZ | 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS

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Chevrolet Impala 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 Chevrolet Impala parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Chevrolet Impala 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.

Among the car parts, the Engine Control Module (ECM) is the key part which proves that this car and this brand is reliable and delivers the high-performance marks in Chevrolet. As the general control unit of the Chevrolet Impala, the Engine Control Module efficiently controls key aspects of the vehicle's performance such as the air-fuel mixture, ignition time, and idle speed depending on information from the various sensors. Thus, the Impala functionality is optimized which in turn increases performance and safety levels of the car. Through the years, the Chevrolet Impala has different types of Engine Control Module depending on the vehicles' model ranging from integrated circuits up to a microprocessor to support intelligent features such as variable valve timing. These modern ECMs are developed for multi-model compatibility with various Impala series and possess the ease of installation feature. However, the Engine Control Module is recognized for more than just its function as it has a peculiar place in achieving improved fuel economy and lower emissions, a major factor in any market. However, performance tuning can be programmed on the ECM thus making the Impala more unique to meet the different users' needs. Its performance features contributes to the impressive outlook of the Engine Control Module not just as an entertainment quality booster to the car but as an additional confirmation to Impala's reliability as a full-sized sedan car. Therefore, the Engine Control Module is one of the critical constituents that support General Motors' quest in delivering quality, efficiency and subtle innovations in its automobiles.

Chevrolet Impala Engine Control Module Parts and Q&A

PCM
12209624
Q: How to program the Engine Control Module on Chevrolet Impala?
A:
Obtain the VIN from the vehicle and start programming the Engine Control Module. The Techline terminal enables users to choose Service Programming followed by Tech 2 then select Reprogram ECU and Off-Board Programming Adapter as the programming location. Follow the protocol to connect the control module with the Tech 2 by utilizing off-board programming adapter equipment from the off-board programming adapter kit using appropriate connectors. Start the Service Programming Request Information function on the Tech 2 to exchange signals with the control module before you close the function screen. The Tech 2 requires detachment from the Off-Board Programming Adapter before it should be connected to the Techline terminal for activation. Using the Techline terminal enter the VIN of the vehicle that will accept the control module and a database connection message will appear. Determine the programming nature and pick the suitable calibration file while ensuring all cables remain secure. The Techline terminal presents the summary screen that requires your confirmation before starting the automatic calibration file transfer to the Tech 2. Terminating the Tech 2 download provides the option to detach it from the Techline terminal before connecting it to the Off-Board Programming Adapter. Select Service Programming on the Tech 2. Do not disconnect the Off-Board Programming Adapter unless you complete the programming procedure successfully and all system connections remain secure and the software is updated on Techline. The control module needs replacement if reprogramming fails to execute. Complete the download within Service Programming on the Tech 2 then choose Program and finally disable the off-board programming adapter.
PCM
12209614
Q: How should the Engine Control Module (PCM) be serviced to prevent damage and ensure proper installation on Chevrolet Impala?
A:
Before working with the Engine Control Module (PCM) service the connector pins along with the soldered components on the circuit board should not get touched because electrostatic discharge (ESD) damage can occur. You must turn off your ignition completely before working on pcm connector installations and before disconnecting or reconnecting power from the pcm using the Battery Cable as well as jumper cables and the pcm pigtail and pcm Fuse to prevent internal damage. The service pcm receipt requires a transfer of broadcast code and production pcm number for label identification throughout its service lifespan yet does not involve recorded information on the pcm cover. Two options exist for servicing the pcm since practitioners must either implement a new unit or operate eeprom programming. Diagnostic testing will show whether the pcm requires replacement giving an opportunity to check that the replacement part matches the requirements. The service pcm will replace the faulty unit after removal. A service electrically erasable programmable read-only memory (EEPROM) received from the service department needs no programming while the storage location p0602 functions as an error indicator for unprogrammed or faulty eeprom. Start the removal by first disconnecting the negative Battery Cable then removal of the air cleaner housing cover assembly. First disconnect the air cleaner housing-based pcm connectors before pulling out the pcm assembly with its harness. Afterwards remove the pcm connectors. Install the pcm by attaching it to the connectors while tightening the connections to 8 n.m (71 lb in). Reinstall the pcm together with its harness inside the air cleaner housing before installing the air cleaner housing cover assembly and finally reconnecting the negative Battery Cable. Program the new pcm before its installation when a replacement is necessary.