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Home >> Jeep >> 2009 >> Commander Overland, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Wireless Ignition Module (Win) - Electrical Diagnostics) >> DTC Troubleshooting >> U1115-Lost Communication With Right Front Tire Pressure Trigger Module >> Possible Causes

Possible Causes

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.
Possible Causes 
(F924) FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN OR HIGH RESISTANCE
(Z924) GROUND CIRCUIT(S) OPEN OR HIGH RESISTANCE
(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORTED TO VOLTAGE
(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT SHORTED TO GROUND
(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN OR HIGH RESISTANCE
(D508) COM-LIN TIRE PRESSURE MONITOR LAN CIRCUIT OPEN
RIGHT FRONT TIRE PRESSURE MONITORING (TPM) TRANSPONDER
WIRELESS IGNITION NODE (WIN)
NOTE: The Tire Pressure Monitoring (TPM) Transponder is commonly referred to as a Trigger Module.