Home >> Jaguar >> 2014 >> XF Base >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Diagnostic Trouble Code Index DTC: Tire Pressure Monitoring System Control Module (TPMSCM) -- XF/X250 >> Diagnostic Trouble Code (DTC) Index DTC: Tire Pressure Monitoring System Control Module (TPMSCM) >> Description And Operation >> DTC C1A64-91: Spare Wheel Tire Pressure Sensor and Transmitter Assembly - Parametric >> Possible Causes