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

Service of powertrain control module (Pcm) is usually performed by replacement or programming of the eeprom. Check Pcm for replacement proper part. To prevent damage disconnect the Pcm harness when the ignition is off. Wipe the connector surfaces clean and make sure the gasket is correctly installed. Baseline the new Pcm with the Service Programming System (Sps).

OEM 2003 Chevrolet Astro Engine Control Module

Engine Control Computer

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2003 Chevrolet Astro 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 Astro Submodels:
- Base, LS, LT | 6 Cyl 4.3 L GAS

2003 Chevrolet Astro Engine Control Module

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2003 Chevrolet Astro Engine Control Module Parts and Q&A

Q: What does the service of the engine control module (ECM) typically involve on 2003 Chevrolet Astro?
A: Service of powertrain control module (Pcm) is usually performed by replacement or programming of the eeprom. Check Pcm for replacement proper part. To prevent damage disconnect the Pcm harness when the ignition is off. Wipe the connector surfaces clean and make sure the gasket is correctly installed. Baseline the new Pcm with the Service Programming System (Sps).