P1730 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 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)