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Grand Cherokee Altitude, AWD
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Amplifier (Amp) - DTCS B143B-11 To B146E-00
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DTC Troubleshooting
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B143F-13-ANC Microphone 4 - Circuit Open
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Set Condition
Set Condition
The Amplifier (AMP) detects an open condition on the ANC Microphone (+) circuit or the ANC Microphone (-) circuits.