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Diagnostic Trouble Code Index DTC: Telematics Control Module (TCU) -- Range Rover/L405
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Diagnostic Trouble Code Index DTC: Telematics Control Module (TCU)
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Description And Operation
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DTC B1A01-12: Speaker #1 - Circuit short to battery
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Action
DTC B1A01-12: Speaker #1 - Circuit short to battery: Action
Refer to the appropriate system wiring diagrams and check the telematics speaker circuit for short circuit to power