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Home >> Volvo >> 2004 >> S80 Base, 2.5 59, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) Diagnostic Trouble Codes - 4 Of 5 >> TCM-0091: Shift Lock Solenoid. Signal Missing (4T65EV; 1999-2005) >> Signal missing >> Checks >> Checking the wiring and component

Checking the wiring and component

Check the cable between the gear selector module (GSM) and the shift lock solenoid connector (control module side). Check for an open-circuit. See Open-circuit, permanent faults .

HINT: With a voltmeter connected to solenoid connector terminals #1 and #2 (gear selector control module side), the voltage should be 0 V when the brake pedal is not depressed and approximately Ubat when it is depressed. Replace the solenoid if the voltage is OK. 

Remedy as necessary.

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