Home >> Land Rover >> 2021 >> Defender 110 SE >> Repair and Diagnosis (Single Page) >> General Information >> Specifications Index >> Diagnostic Trouble Code Index INGENIUM I6 3.0L Petrol MHEV, DTC: Powertrain Control Module (Pcm) (P0206-13 To P0634-00) -- Defender/L663 >> Diagnostic Trouble Code Index - INGENIUM I6 3.0L Petrol, [+] MHEV, DTC: Powertrain Control Module (Pcm) B1087-88 To P0634-00 (G3185110) >> Description And Operation >> Powertrain Control Module (Pcm) - INGENIUM 3.0L Petrol MHEV - B1087-88 - P0634-00 >> DTC P061C-29: Internal Control Module Engine RPM Performance - Signal invalid >> Possible Causes