Home › Jaguar › 2015 › XK 2D Convertible › Repair and Diagnosis › Restraints › Restraints Control Systems › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) -- XK/X150 › Diagnostic Trouble Code Index DTC: Restraints Control Module (RCM) › Description And Operation › Restraints Control Module [RCM] › DTC U1A02-66: Permanent Memory Store Full - Signal has too many transitions/events › Possible Causes