What does the service of the engine control module (ECM) typically involve on 2003 Chevrolet Express 3500?

The powertrain control module (Pcm) is also usually serviced by changing or programming the eeprom. Examine Pcm and make sure that the right part is introduced. Switch off power when ignition is off to avoid damage. Clean connectors, examine gaskets and program the new Pcm with the Service Programming System (Sps) procedures.

OEM 2003 Chevrolet Express 3500 Engine Control Module

Engine Control Computer

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2003 Chevrolet Express 3500 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 2003 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS

2003 Chevrolet Express 3500 Engine Control Module

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2003 Chevrolet Express 3500 Engine Control Module Parts and Q&A

Q: What does the service of the engine control module (ECM) typically involve on 2003 Chevrolet Express 3500?
A: The powertrain control module (Pcm) is also usually serviced by changing or programming the eeprom. Examine Pcm and make sure that the right part is introduced. Switch off power when ignition is off to avoid damage. Clean connectors, examine gaskets and program the new Pcm with the Service Programming System (Sps) procedures.