Home › Jaguar › 2017 › XJR L › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Integrated Suspension Control Module -- XJ/X351 › DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: Integrated Suspension Control Module › Description And Operation › Integrated Suspension Control Module (ISCM) › DTC B136B-64: Suspension Control Module Wake-up Signal - Signal plausibility failure › Possible Causes