How to service the Engine Control Module (ECM) on GMC Savana 2500?

Service of the Engine Control Module (ECM) requires a new ecm installation or eeprom programming. Replace only the correct ecm component before you take out the old ecm and put in the new service ecm. Turn the ignition off whenever you work with control module connectors and disconnect power to prevent damage inside the components. The metal case of the control module must stay away from battery voltage at all times while touching either the connector pins or components will lead to electrostatic discharge damage. Check all surfaces around the control module connector for debris before inspecting the connector gaskets for proper installation to block contaminants from entering. Programming is mandatory for the substitute control module. Before separating the negative Battery Cable utilize a scan tool to note down the present engine oil life percentage. First disconnect the electrical connectors from the engine wiring harness on the ecm then free the bracket tabs and remove the ecm from its mount. Check the bracket tabs for full insertion before installing the ecm then proceed to reconnect all engine wiring harness electrical connectors and the negative Battery Cable. A new ecm requires proper programming and its life of engine oil should be programmed using a scan tool.

OEM GMC Savana 2500 Engine Control Module

Engine Control Computer

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23 Engine Control Modules found

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GMC Savana 2500 PCM
Part Number: 12633238
$245.01 MSRP: $496.56
You Save: $251.55 (51%)
Ships in 1-2 Business Days
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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:
- 2010-2015 GMC Savana 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX
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GMC Savana 2500 ECM
Part Number: 12692200
$186.20 MSRP: $377.12
You Save: $190.92 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu) E78 Service ECM 2Byte; Engine Control Module; Module, Emission Control System
- Replaces: 12668866, 12668991, 12643636
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016 GMC Savana 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Savana 2500 ECM
Part Number: 12704475
$212.59 MSRP: $430.72
You Save: $218.13 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Module, Emission Control System
- Replaces: 12692069, 12680656, 12686383
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018 GMC Savana 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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GMC Savana 2500 ECM
Part Number: 12703872
$204.82 MSRP: $414.92
You Save: $210.10 (51%)
Ships in 1-3 Business Days
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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:
- 2019-2020 GMC Savana 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS
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GMC Savana 2500 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 GMC Savana 2500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
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GMC Savana 2500 ECM
Part Number: 12692201
$151.38 MSRP: $276.36
You Save: $124.98 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu) E78 Service No-Start; Engine Control Module; Module, Emission Control System
- Replaces: 12668986
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2020 GMC Savana 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Savana 2500 PCM
Part Number: 12612384
$261.01 MSRP: $488.26
You Save: $227.25 (47%)
Ships in 1-2 Business Days
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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 GMC Savana 2500 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
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GMC Savana 2500 ECM
Part Number: 12602801
$534.19 MSRP: $962.30
You Save: $428.11 (45%)
Ships in 1-2 Business Days
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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 Savana 2500 | Base, LS, LT, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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GMC Savana 2500 ECM
Part Number: 12721353
$181.39 MSRP: $325.36
You Save: $143.97 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Module Assembly-Engine Control (W/ 2ND Mpu) & (W/O C; Module, Emission Control System
- Replaces: 55512265
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 GMC Savana 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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GMC Savana 2500 ECM
Part Number: 12721350
$211.21 MSRP: $378.87
You Save: $167.66 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/2ND Mpu); Module, Emission Control System
- Replaces: 24000463, 55485591
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 GMC Savana 2500 | Base, LS, LT | 4 Cyl 2.8 L DIESEL
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GMC Savana 2500 ECM
Part Number: 16216588
$299.95 MSRP: $548.16
You Save: $248.21 (46%)
ADD TO CART
Product Specifications
- Other Name: Module, PCM (Remanufacture) Requires Reprogramming; Engine Control Module; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 GMC Savana 2500 | Base, SLE, SLT | 8 Cyl 6.5 L DIESEL
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GMC Savana 2500 PCM
Part Number: 12200411
$244.45 MSRP: $434.84
You Save: $190.39 (44%)
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:
- 2001-2002 GMC Savana 2500 | Base, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS
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GMC Savana 2500 ECM
Part Number: 12652526
$1011.74 MSRP: $1798.80
You Save: $787.06 (44%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Module Assembly-Engine Control (W/O Calibration); Engine Control Module; Module, Emission Control System
- Replaces: 12618516
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2012 GMC Savana 2500 | Base | 8 Cyl 6.6 L DIESEL
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GMC Savana 2500 Control Module
Part Number: 16229684
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; PCM; ECM
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997 GMC Savana 2500 | Base, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
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GMC Savana 2500 ECM
Part Number: 19260753
Product Specifications
- Other Name: Module Assembly, Engine Control; Engine Control Module; Module, Emission Control System
- Replaces: 12606126
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 GMC Savana 2500 | Base | 8 Cyl 6.6 L DIESEL
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GMC Savana 2500 ECM
Part Number: 12648344
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:
- 2012 GMC Savana 2500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
GMC Savana 2500 PCM
Part Number: 16263494
$341.63 MSRP: $610.42
You Save: $268.79 (45%)
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:
- 1999-2002 GMC Savana 2500 | Base, SLE, SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L GAS
View related parts
GMC Savana 2500 Control Module
Part Number: 9366810
$266.44 MSRP: $470.38
You Save: $203.94 (44%)
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; PCM; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998 GMC Savana 2500 | Base, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS
View related parts
GMC Savana 2500 ECM
Part Number: 19260758
Product Specifications
- Other Name: Module Assembly, Engine Control; Engine Control Module; Module, Emission Control System
- Replaces: 12609441
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2010 GMC Savana 2500 | Base | 8 Cyl 6.6 L DIESEL
View related parts
GMC Savana 2500 PCM
Part Number: 16244210
Product Specifications
- Other Name: Module, Vehicle Control; Engine Control Module; ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996 GMC Savana 2500 | Base, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS

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GMC Savana 2500 Engine Control Module

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GMC Savana 2500 Engine Control Module Parts Questions & Experts Answers

PCM
12633238
Q: How to service the Engine Control Module (ECM) on GMC Savana 2500?
A: Service of the Engine Control Module (ECM) requires a new ecm installation or eeprom programming. Replace only the correct ecm component before you take out the old ecm and put in the new service ecm. Turn the ignition off whenever you work with control module connectors and disconnect power to prevent damage inside the components. The metal case of the control module must stay away from battery voltage at all times while touching either the connector pins or components will lead to electrostatic discharge damage. Check all surfaces around the control module connector for debris before inspecting the connector gaskets for proper installation to block contaminants from entering. Programming is mandatory for the substitute control module. Before separating the negative Battery Cable utilize a scan tool to note down the present engine oil life percentage. First disconnect the electrical connectors from the engine wiring harness on the ecm then free the bracket tabs and remove the ecm from its mount. Check the bracket tabs for full insertion before installing the ecm then proceed to reconnect all engine wiring harness electrical connectors and the negative Battery Cable. A new ecm requires proper programming and its life of engine oil should be programmed using a scan tool.