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Home >> Jeep >> 2012 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Wireless Control Module (WCM) - Electrical Diagnostics >> DTC Troubleshooting >> U0231-Lost Communication With Rain Sensing Module >> Possible Causes
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Possible Causes

Possible Causes
(F306) FUSED IGNITION SWITCH OUTPUT OPEN
(Z919/920) GROUND OPEN
(D508) LIN BUS CIRCUIT OPEN
RAIN SENSOR MODULE (RSM)
WIRELESS CONTROL MODULE (WCM)