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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Can Communication System - Non-DTC Diagnostics) >> Diagnosis and Testing >> No Response From HFM (Hands Free Module) >> Notes

No Response From HFM (Hands Free Module): Notes

WARNING: This page is about a different car, the 2009 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HFM CAN B BUS, Fused B+ & Ground Circuit Schematic
GC0120655Courtesy of CHRYSLER LLC

For complete wiring diagrams, refer to SYSTEM WIRING DIAGRAMS .

Possible Causes 
(A114) FUSED B(+) CIRCUIT OPEN OR SHORTED
(Z907) GROUND CIRCUIT OPEN
(D55) AND (D54) CAN B BUS CIRCUITS OPEN
HANDS FREE MODULE