LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2000 >> C3500 HD 7.4 J, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Control System Self-Diagnostics - Diesel) >> Self-Diagnostic System >> Powertrain Control Module Location
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module Location

WARNING: This page is about a different variant/trim than selected.

On "C" and "K" series, PCM is located behind right side of instrument panel, above blower motor. On "G" series, PCM is located behind center of instrument panel.