Home >> Jaguar >> 2018 >> XE S, AWD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) >> Diagnostic Trouble Code Index DTC: Body Control Module (BCM) >> Description And Operation >> Body Control Module (BCM) >> B1A91-31 Speed/Position Sensor A - No signal >> Possible Causes