Home >> Land Rover >> 2021 >> Defender 90 >> Repair and Diagnosis >> General Information >> Specifications Index >> Diagnostic Trouble Code Index INGENIUM I4 2.0L Petrol, DTC: Powertrain Control Module (B10A2-31 To P060D-29 )-- Defender/L663 >> Diagnostic Trouble Code Index - INGENIUM I4 2.0L Petrol, DTC: Powertrain Control Module B10A2-31 To P060D-29 (G2400906) >> Description And Operation >> Powertrain Control Module (Pcm) - INGENIUM I4 2.0L Petrol - B10A2-31 To P060D-00 >> DTC P0027-29: Exhaust Valve Control Solenoid Circuit Range/Performance Bank 1 - Signal invalid >> Possible Causes