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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 P17A3-P17A5 › DTC Descriptor

DTC Descriptor

DTC P17A3: Transmission Shift Interlock 1 Circuit Low
DTC P17A4: Transmission Shift Interlock 1 Circuit High
DTC P17A5: Transmission Shift Interlock 1 Circuit Performance