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Compass Limited, AWD, Automatic Trans
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Section 44 (Wireless Control Module (WCM) - Electrical Diagnostics)
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DTC Troubleshooting
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U0231-Lost Communication With Rain Sensing Module
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Possible Causes
Possible Causes
WARNING:
This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
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)