Home >> Land Rover >> 2017 >> Discovery SE >> Repair and Diagnosis >> General Information >> DTC Index >> Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) -- Discovery/L462 >> Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) >> Description And Operation >> DTC U1008-88: Private Communication Network Bus (-) shorted to Bus (+) - Bus off >> Possible Causes