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Home › Chevrolet › 2008 › Optra LS, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls And Fuel - 2.0L (Diesel) › Diagnostic Information and Procedures › DTC P1663 › Conditions for Setting the DTC › P1663 04

P1663 04

The ECM detects an open on the circuit that controls the lamp.

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