P1730 Buick Automatic Transmission Interlock
Possible causes
– Low coast brake solenoid valve harness is open or shorted
– Low coast brake solenoid valve circuit poor electrical connection
- Fault low coast brake solenoid valve
- Faulty Automatic Transmission Fluid (ATF) pressure switch 2
– Low coast brake solenoid valve circuit poor electrical connection
- Fault low coast brake solenoid valve
- Faulty Automatic Transmission Fluid (ATF) pressure switch 2
What about the obd code?
Diagnostic Trouble Code (DTC) P1730 Buick is detected when Transmission Control Module (TCM) does not receive the proper voltage signal from the sensor and switch.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera