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Home >> Buick >> 2021 >> Enclave Preferred >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Electronic Transmission Range Select System >> Diagnostic Information and Procedures >> DTC P0697 >> Circuit/System Description

Circuit/System Description

The K38 Chassis Control Module supplies a 5 V reference. The Transmission Shift Lever will provide electrical signals based on customer input to the K38 Chassis Control Module, where the customer shift request will be determined. The shift lever position is determined by 2 internal sensors that each transmit an X and Y coordinate signal. The ground is supplied by the control module through a low reference circuit.