What does the service of the engine control module (ECM) typically involve on Buick Rainier?

Service of the powertrain control module (PCM) consists of two main approaches that include pcm replacement or eeprom electrically erasable programmable read-only memory programming. The inspection of the pcm should be performed to validate that the appropriate part will be used for replacement. Turning off the ignition will prevent internal damage before one removes the faulty pcm by loosening its harness connector bolts followed by disconnecting the pcm harness connectors. Begin by removing pcm retaining bolts while also taking out all pcm nuts . Then slide the pcm toward the Intake Manifold until you pass the mounting studs before pulling it out from the vehicle. Mounting studs from the Intake Manifold need to be removed when performing replacements. Installation requires the mounting studs to be put back if they were removed and they should be tightened to 6 n.m (53 lb in). Fasten the pcm into position on the mounting studs and apply retaining bolts and nuts before tightening both components to 8 n.m (71 lb in). Secure all pcm harness connector one to the pcm body unit by tightening each harness connector retaining bolt to 8 n.m (71 lb in). A new pcm needs sps programming as the first step after its installation.

OEM Buick Rainier Engine Control Module

Engine Control Computer

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Buick Rainier PCM Part Number: 12678511
$265.60 MSRP: $538.40
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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:
- 2007 Buick Rainier | CXL | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier PCM Part Number: 19299227
$240.92 MSRP: $441.84
You Save: $200.92 (46%)
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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 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier PCM Part Number: 19210071
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:
- 2005 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier PCM Part Number: 19210067
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:
- 2007 Buick Rainier | CXL | 6 Cyl 4.2 L GAS
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Buick Rainier PCM Part Number: 19209820
Product Specifications
- Other Name: Module Assembly, Powertrain Control (Refurbished); ECM; Module, Emission Control System
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Buick Rainier | CXL | 6 Cyl 4.2 L GAS
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Buick Rainier 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 Buick Rainier | CXL | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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Buick Rainier PCM Part Number: 19210065
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:
- 2004-2007 Buick Rainier | CXL, CXL Plus | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS

Buick Rainier Engine Control Module

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One key component which is crucial to relate to the Buick Rainier and embodies reliability and power in the Reservoir's production line is the Buick Rainier Engine Control Module or the Buick Rainier ECM which was manufactured between 2004 and 2007. Being a vital component of the Automobile, the Engine Control Module controls all engine-related affairs effectively regulating the fuel/air mixture as dictated by the sensors and is installed in different models of Rainier. This ECM not only governs the ignition coils and spark plugs but also has other critical program codes which enable efficiency and safety of engines. The Buick Rainier comes in two models namely the CXL and the CXL plus and both of the brands are positively affected by the ECM'S advanced features thus providing a powerful yet supple ride. The Buick Rainier's ECM works hand in hand in enhancing the functionality of the engines such as the 4.2L Vortec I6 that is powerful andacious or the 5.3L Small-block V8 that is powerful and responsive in the achievement of impressive acceleration. Moreover, the Engine Control Module plays a role in safety options; for instance GM's StabiliTrak- electronic stability system that guarantees a stable ride for all the passengers. The Buick Rainier Engine Control Module has certain bars that other car manufacturers can only look up to, and incorporate it in the Rainier Car; the control module integrates the car systems making it efficient and safe, which is major selling point.

Buick Rainier Engine Control Module Parts Questions & Experts Answers

PCM
19299227
Q: What does the service of the engine control module (ECM) typically involve on Buick Rainier?
A:
Service of the powertrain control module (PCM) consists of two main approaches that include pcm replacement or eeprom electrically erasable programmable read-only memory programming. The inspection of the pcm should be performed to validate that the appropriate part will be used for replacement. Turning off the ignition will prevent internal damage before one removes the faulty pcm by loosening its harness connector bolts followed by disconnecting the pcm harness connectors. Begin by removing pcm retaining bolts while also taking out all pcm nuts . Then slide the pcm toward the Intake Manifold until you pass the mounting studs before pulling it out from the vehicle. Mounting studs from the Intake Manifold need to be removed when performing replacements. Installation requires the mounting studs to be put back if they were removed and they should be tightened to 6 n.m (53 lb in). Fasten the pcm into position on the mounting studs and apply retaining bolts and nuts before tightening both components to 8 n.m (71 lb in). Secure all pcm harness connector one to the pcm body unit by tightening each harness connector retaining bolt to 8 n.m (71 lb in). A new pcm needs sps programming as the first step after its installation.