Posted to the Waveform Library on 11/19/2015

GM 2000 5.7L (L31-HD) C/K-truck HeavyDuy. G-van HeavyDuty P-truck / chassis Heavy Duty, W-series tilt-cab (Isuzu NPR) Medium Duty 4L80-E Several Models (5.7L 4L80-E L31-HD / R C/K full size pickup Heavy Duty, 5.7L 4L80-E L31-HD / R G-van Express / Savanna Heavy Duty, 5.7L 4L80-E L31-HD / R P P-truck or chassis Heavy Duty, 5.7L 4L80-E L31-HD / R 4 W-series tilt-cab (Isuzu NPR) Heavy Duty). TRANSMISSION DIAGNOSTIC PARAMETERS. Reprinted on iATN Courtesy of General Motors. Copyright © General Motors. Do not reproduce or redistribute without permission.

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