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2003 Chevrolet Silverado 2500 HD, ECM/Inputs/Outputs Document
Posted to the Waveform Library on 12/9/2015

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GM 2003 ALLISON 1000 series used in Heavy Duty C/K trucks (8600 – 14000 GVW) with these engines: 6.6L (LB7) diesel, 8.1L (L18) G Allison C/K C/K-trucks. TRANSMISSION DIAGNOSTIC PARAMETERS. Reprinted on iATN Courtesy of General Motors. Copyright © General Motors. Do not reproduce or redistribute without permission.

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car Vehicle Data

2003 Chevrolet Silverado 2500 HD 8.1L

Engine8.1 L / 8 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection