What does the service of the engine control module (ECM) typically involve on Chevrolet Impala?

The service procedure for engine control modules (ECM) includes either replacing the module or reprogramming electrically erasable programmable read-only memory (EEPROM). The replacement process begins with verifying that the ecm is the right component. When the ecm fails you should replace it with a new service ecm that requires initial programming since it arrives without installed programming. When the Engine Control Module detects dtc p0602 it means the eeprom is either not programmed or is not functioning correctly. Touching the connector pins or soldered components on the circuit board should be avoided during handling since the ecm connectors must always be turned off before starting maintenance work. The accurate tracking of engine oil lifetime becomes vital for substitution because unprogrammed new modules will lead to complete oil depletion at 5,000 km (3,000 mi) following the previous maintenance. To begin with retrieve engine oil life percentage data by using a scan tool and record this data before disconnecting the negative Battery Cable. Begin by taking out both ecm electrical connectors and then removing the ecm from the air cleaner lower housing when finished with the left front inner fender brace removal and air cleaner assembly separation. The installation process requires placing the ecm into the air lower housing and unified connector connection of ecm electrical wires followed by air assembly replacement and fender brace reinstallation before Battery Cable connection. Implement the correct programming process to program the new ecm.

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
$371.61 MSRP: $754.76
You Save: $383.15 (51%)
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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
$191.75 MSRP: $538.40
You Save: $346.65 (65%)
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
- 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
$102.35 MSRP: $185.06
You Save: $82.71 (45%)
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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
$382.20 MSRP: $776.28
You Save: $394.08 (51%)
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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
$310.12 MSRP: $629.88
You Save: $319.76 (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 PCM
Part Number: 12651994
$450.23 MSRP: $914.44
You Save: $464.21 (51%)
ADD TO CART
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
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Chevrolet Impala ECM, Green Line
Part Number: 19210737
$189.58 MSRP: $532.31
You Save: $342.73 (65%)
Ships in 1-2 Business Days
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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 Control Module
Part Number: 88999158
$123.97 MSRP: $228.68
You Save: $104.71 (46%)
ADD TO CART
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
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Chevrolet Impala Control Module
Part Number: 88961150
$165.82 MSRP: $304.14
You Save: $138.32 (46%)
ADD TO CART
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
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Chevrolet Impala Control Module
Part Number: 9380717
$276.55 MSRP: $509.74
You Save: $233.19 (46%)
ADD TO CART
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
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Chevrolet Impala PCM
Part Number: 12667002
$243.28 MSRP: $494.12
You Save: $250.84 (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 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: 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: 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

Our website offers an extensive catalog of genuine Chevrolet Impala Engine Control Module at unbeatable prices. Every OEM Chevrolet Impala Engine Control Module comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Impala Engine Control Module Parts Questions & Experts Answers

PCM
12678511
Q: What does the service of the engine control module (ECM) typically involve on Chevrolet Impala?
A: The service procedure for engine control modules (ECM) includes either replacing the module or reprogramming electrically erasable programmable read-only memory (EEPROM). The replacement process begins with verifying that the ecm is the right component. When the ecm fails you should replace it with a new service ecm that requires initial programming since it arrives without installed programming. When the Engine Control Module detects dtc p0602 it means the eeprom is either not programmed or is not functioning correctly. Touching the connector pins or soldered components on the circuit board should be avoided during handling since the ecm connectors must always be turned off before starting maintenance work. The accurate tracking of engine oil lifetime becomes vital for substitution because unprogrammed new modules will lead to complete oil depletion at 5,000 km (3,000 mi) following the previous maintenance. To begin with retrieve engine oil life percentage data by using a scan tool and record this data before disconnecting the negative Battery Cable. Begin by taking out both ecm electrical connectors and then removing the ecm from the air cleaner lower housing when finished with the left front inner fender brace removal and air cleaner assembly separation. The installation process requires placing the ecm into the air lower housing and unified connector connection of ecm electrical wires followed by air assembly replacement and fender brace reinstallation before Battery Cable connection. Implement the correct programming process to program the new ecm.