LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2003 >> Wrangler SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Controls - Self-Diagnostics) >> 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 car, the 2003 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

PCM is located on left side of engine compartment, behind battery. See Figure. PCM has three 32-pin connectors. PCM C1 connector is Black, C2 connector is White and C3 connector is a Light Gray color.