How to replace the Engine Control Module (ECM) on 2005 Buick Rendezvous?

To replace the pcm you will first need to verify that it is the correct component. If faulty, remove the old pcm and install the new one which needs to be programmed. Before disconnecting the battery and removing parts to access the pcm, record the engine oil life percentage. Install everything back and program the eeprom if needed.

OEM 2005 Buick Rendezvous Engine Control Module

Engine Control Computer

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2 Engine Control Modules found

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2005 Buick Rendezvous ECM Part Number: 19260507
$440.21 MSRP: $1080.78
You Save: $640.57 (60%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module
- Item Weight: 1.30 Pounds
- Item Dimensions: 6.1 x 6.4 x 3.2 inches
- Condition: New
- SKU: 19260507
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2005 Buick Rendezvous Submodels:
- CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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2005 Buick Rendezvous PCM Part Number: 12583827
$454.50 MSRP: $918.86
You Save: $464.36 (51%)
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Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 89017736
- Item Weight: 4.00 Pounds
- Item Dimensions: 10.8 x 8.5 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12583827
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Buick Rendezvous Submodels:
- CX, CX Plus, CXL, CXL Plus | 6 Cyl 3.4 L GAS

2005 Buick Rendezvous Engine Control Module

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2005 Buick Rendezvous Engine Control Module Parts and Q&A

Q: How to replace the Engine Control Module (ECM) on 2005 Buick Rendezvous?
A: To replace the pcm you will first need to verify that it is the correct component. If faulty, remove the old pcm and install the new one which needs to be programmed. Before disconnecting the battery and removing parts to access the pcm, record the engine oil life percentage. Install everything back and program the eeprom if needed.