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Alfa Romeo
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2019
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4C
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Repair and Diagnosis
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Restraints
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Restraints Control Systems
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(Occupant Restraint Controller (Orc) - Electrical Diagnostics)
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DTC Troubleshooting
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U1701-86 ECM (Engine Control Module) Node - Signal Invalid
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Possible Causes
Possible Causes
Possible Causes
CAN CONNECTIONS OR CIRCUITS BETWEEN THE ECM AND THE ORC
ECM POWER AND GROUND CIRCUITS
ENGINE CONTROL MODULE (ECM)
OCCUPANT RESTRAINT CONTROLLER (ORC)