FixVault

Home › Land Rover › 2013 › Range Rover Base › Repair and Diagnosis › General Information › DTC Index › Diagnostic Trouble Code Index DTC: Telematics Control Module (TCU) -- Range Rover/L405 › Diagnostic Trouble Code Index DTC: Telematics Control Module (TCU) › Description And Operation › DTC B1252-01: USB Port - General electrical failure › Possible Causes

Possible Causes

USB data circuit short circuit to ground, short circuit to power, open circuit, high resistance
High voltage applied to USB interface
SIM card reader internal failure