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XF Base
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Repair and Diagnosis (Single Page)
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Differentials & Drive Axles
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Diagnostic Trouble Code (DTC) Index DTC: Rear Differential Control Module (RDCM) -- XF/X250
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Diagnostic Trouble Code (DTC) Index DTC: Rear Differential Control Module (RDCM)
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Description And Operation
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DTC P18A5-14: Motion Position Sensor "A" Signal Circuit - Circuit short to ground or open
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Possible Causes
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Possible Causes
Rear differential locking motor position sensor circuit - Short circuit to ground, open circuit, high resistance
Sensor failure (within rear differential locking motor)