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Jeep
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2012
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Grand Cherokee Laredo, AWD
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Repair and Diagnosis
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Transmission
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Automatic Trans
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(Transmission Control Module (TCM) - Electrical Diagnostics)
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DTC Troubleshooting
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U1118-Lost Engine Variant Message
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Set Condition:
Set Condition:
The DTC will set if a valid CAN ID was not received in the required time from the ECM/PCM.