DTC codes / Suzuki codes / P1717
P1717 on Suzuki vehicles means the automatic transmission control module (TCM) is not receiving a valid drive range signal from the transmission range sensor, so it cannot confirm the selector is in a forward drive position. The TCM compares the range sensor input against the signal it expects from the shift lever and sets this code when the drive range circuit is open, shorted, or reporting an implausible state.
Guidance is general and written for Suzuki vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.
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