Home >> Land Rover >> 2015 >> LR2 Base >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- LR2/L359 >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC P074B-68: Unable To Engage Gear 3 - Event Information >> Possible Causes