Home >> Land Rover >> 2015 >> LR4 HSE, AWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) -- LR4/L319 >> Diagnostic Trouble Code Index DTC: Parking Aid Control Module (PACM) >> Description And Operation >> DTC B1C30-73: Disable Switch - Actuator stuck closed >> Possible Causes