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Home >> Porsche >> 2017 >> Macan Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 397 (Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) -- Discovery Sport/L550) >> Diagnostic Trouble Code Index DTC: Transmission Control Module (TCM) >> Description And Operation >> DTC P0634-98: Control Module Internal Temperature "A" Too High - Component or system over temperature >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Increased engine compartment temperature might be caused by restricted airflow through the engine cooling system radiator