What does the service of the engine control module (ECM) typically involve on 2004 GMC Savana 1500?

The powertrain control module (pcm) can be serviced by changing or programming the eeprom. Before replacement, check the pcm, make sure that the right part is taken. Break power and disconnect power with ignition off, clean connectors, and check gaskets. Installation After installing the new pcm, program it using the service programming system (SPS).

OEM 2004 GMC Savana 1500 Engine Control Module

Engine Control Computer

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2004 GMC Savana 1500 PCM Part Number: 12581565
Product Specifications
- Other Name: Module, Emission Control System; Engine Control Module; ECM
- Replaces: 89017733
- Item Weight: 4.40 Pounds
- Item Dimensions: 9.2 x 4.2 x 12.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12581565
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 GMC Savana 1500 Submodels:
- Base, SLE | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L GAS

2004 GMC Savana 1500 Engine Control Module

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2004 GMC Savana 1500 Engine Control Module Parts and Q&A

Q: What does the service of the engine control module (ECM) typically involve on 2004 GMC Savana 1500?
A: The powertrain control module (pcm) can be serviced by changing or programming the eeprom. Before replacement, check the pcm, make sure that the right part is taken. Break power and disconnect power with ignition off, clean connectors, and check gaskets. Installation After installing the new pcm, program it using the service programming system (SPS).