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Fiat
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2017
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500 Abarth, Automatic Trans
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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 - Fiat 500)
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DTC Troubleshooting
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P1818 Gear Change Control
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Set Condition
Set Condition
The TCM detects a problem in the gear change system.