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P1540 Diagnostic Trouble Code Discussion for March 2023

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Trouble Ticket Help Requests for DTC P1540
Help Request Posted
1997 Subaru Legacy Outback 2.5L MIL Lamp on VIN: 4S3BG6858V
P1540: Vehicle Speed Sensor Signal Circuit Malfunction. Hello wise and wonderful Subaru wizards. I am in need of some wisdom on this thing. The previous repair of the idle control assembly was due to a P0507 and no other codes. Now several weeks later it is setting new codes as well. I have been looking at othe...
March 08, 2023