LEMON Manuals
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2017
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XT5 Base
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Automatic Transmission Range Select System
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Diagnostic Information and Procedures
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DTC P1787 or P17C8: Unexpected Range Change Detected/Transmission Range Control Module Range Motor Command Performance - Protection Mode Active
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Action Taken When the DTC Sets
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Action Taken When the DTC Sets
DTC P1787 or P17C8 is a Type B DTC. The device refuses all additional inputs.