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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Driver Door Module (DDM) - Electrical Diagnostics >> DTC Troubleshooting >> U0231-Lost Communication With Light Rain Sensing Module >> Possible Causes
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Possible Causes

Possible Causes 
CAN B BUS CIRCUITS OPEN OR SHORTED
DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES
LIGHT RAIN SENSING MODULE POWER AND GROUND
FRONT CONTROL MODULE (FCM) NOT CONFIGURED CORRECTLY
LIGHT RAIN SENSING MODULE
MODULE THAT SET THIS DTC
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