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Grand Cherokee Laredo, AWD, Automatic T/Case Control
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Repair and Diagnosis
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General Information
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OEM General Information
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(Emergency Assistance Module (EAM) Electrical Diagnostics)
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DTC Troubleshooting
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B143A-13 - Microphone 1-Circuit Open
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Set Condition
Set Condition
The Emergency Assistance Module (EAM) detects an open on either the Emergency Microphone (+), Emergency Microphone (-), Microphone 1 In (+), and Microphone 1 In (-) circuits.