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Home >> Land Rover >> 2021 >> Range Rover SVAutobiography Dynamic Blk. >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Diagnostic Trouble Code Index DTC: HVAC Control Module (HVAC) -- Range Rover/L405) >> General Information >> Description And Operation >> Diagnostic Trouble Code Index - DTC: HVAC Control Module (HVAC) (G2164849) >> DTC B1421-4B: Left Front Cooled/Heated Seat Thermal Electric Device #2 - Over temperature >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
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