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Defender 90 V8
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Repair and Diagnosis
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General Information
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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-12: Backup Microphone - Circuit short to battery
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Possible Causes
Possible Causes
NOTE:
Circuit reference - Circuit reference - MIC IN-/MIC IN+/SCR
No sound detected by telematic microphone
Telematic microphone circuit short circuit to power