LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Can Communication System - Non-DTC Diagnostics >> Diagnosis and Testing >> No Response From FCM (Front Control Module) >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

No Response From FCM (Front Control Module): Notes

Fig 1: FCM Fused B+ & Ground Circuit Schematic
GC0120643Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

Possible Causes 
(A108) FUSED B(+) CIRCUIT OPEN AT DLC
(Z11) (Z111) GROUND CIRCUIT OPEN AT DLC
GROUND CIRCUITS OPEN AT FCM
FUSED B(+) CIRCUITS OPEN AT FCM
FRONT CONTROL MODULE