P1730 Volvo Automatic Transmission Interlock

Possible causes

– Low coast brake solenoid valve harness is open or shorted
– Low coast brake solenoid valve circuit poor electrical connection
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Fault low coast brake solenoid valve
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Faulty Automatic Transmission Fluid (ATF) pressure switch 2

What about the obd code?

Diagnostic Trouble Code (DTC) P1730 Volvo 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)