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Defender 90 First Edition
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Repair and Diagnosis
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Specifications Index
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Diagnostic Trouble Code Index DTC: TELEMATIC Control Unit Module (TCU) -- Defender/L663
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Diagnostic Trouble Code Index - DTC: TELEMATIC Control Unit Module (TCU) (G2400918)
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Description And Operation
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TELEMATIC Control Unit Module (TCU)
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DTC B117A-13: Backup Microphone - Circuit open
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Possible Causes
Possible Causes
NOTE:
Circuit reference - Circuit reference - MIC IN-/MIC IN+/SCR-
No sounded detected by telematic microphone
Telematic microphone circuit open circuit or high resistance