Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Diagnostic Trouble Code Index DTC: Powertrain Control Module (Pcm) - 5.0L Petrol -- Range Rover/L405 (1 Of 2) >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: Powertrain Control Module (Pcm) - 5.0L Petrol (G2693870) >> DTC P05C1-4B Active Grille Air Shutter Module "B" Over Temperature - Over temperature >> Possible Causes