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Discovery Sport SE
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Repair and Diagnosis
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Quick Lookups
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DTC Index
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Diagnostic Trouble Code Index DTC: TELEMATIC Control Module (TCU) -- Discovery Sport/L550
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Diagnostic Trouble Code Index DTC: Telematic Control Module (TCU)
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Description And Operation
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DTC B117A-01: Backup Microphone - General electrical failure
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Possible Causes
Possible Causes
NOTE:
Circuit reference - MIC -/MIC +/MIC SCR
No sound detected by the telematics microphone
Telematics microphone circuit short circuit to telematics speaker circuit