Home › Land Rover › 2013 › LR2 Base › Repair and Diagnosis › Engine Performance › Engine Control Systems › 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 P2237-01: O2 Sensor Positive Current Control Circuit/Open - Bank 1, Sensor 1 - General electrical failure › Possible Causes