Home >> Land Rover >> 2015 >> LR2 Base >> Repair and Diagnosis (Single Page) >> Quick Lookups >> DTC Index >> Diagnostic Trouble Code Index GTDI 2.0L Petrol, DTC: Engine Control Module (ECM) -- LR2/L359 >> Diagnostic Trouble Code Index GTDi 2.0L Petrol, DTC: Engine Control Module (ECM) >> Description And Operation >> DTC P0721-33: Output Shaft Speed Sensor Circuit Range/Performance - Signal low time > maximum >> Possible Causes