LEMON Manuals
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Jeep
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2010
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Commander Sport, 3.7 K, AWD
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Front Control Module (FCM) - Electrical Diagnostics
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DTC Troubleshooting
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U0023-Can B Bus (+) Circuit High
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Set Conditions
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Set Conditions
Set Condition:
The Front Control Module (FCM) detects the (D55) CAN B Bus (+) circuit is shorted to voltage.