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500 Lounge, Automatic Trans
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Repair and Diagnosis (Single Page)
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Infotainment
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(Entertainment TELEMATIC Module (ETM) - Electrical Diagnostics - 500 - Except Electric)
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DTC Troubleshooting
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B143A-1A-Microphone 1-Circuit Resistance Below Threshold
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Set Condition
Set Condition
The Entertainment Telematic Module (ETM/LTM) detects the Microphone 1 IN (+) circuit is shorted to the Microphone 1 IN (-) circuits.