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Range Rover Autobiography
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DTC Index
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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 B117A-12: Backup Microphone - Circuit short to battery
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Action
DTC B117A-12: Backup Microphone - Circuit short to battery: Action
Refer to the appropriate system wiring diagrams and check the microphone circuit for short circuit to power