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2015
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Regal GS, AWD
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Repair and Diagnosis
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Body & Frame
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Ignition Switch/Steering Lock
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Immobilizer System
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Diagnostic Information and Procedures
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DTC P0633: Immobilizer Key Not Programmed
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Conditions for Clearing the DTC
Conditions for Clearing the DTC
A current DTC will be cleared upon a successful engine start after exit of learn mode.
A history DTC will be cleared after 100 malfunction-free ignition cycles.