The transmission overdrive relay often fails, preventing the transmission from shifting into overdrive. In some cases the Overdrive light may stay all the time or not come on at all. The relay is located behind the center console, just left of the glove box. Before replacing the relay it is crucial that the wire leading to the overdrive solenoid is inspected to ensure it isn't shorting out on the transmission case. Failure to check this may lead to a failure of a newly installed relay.
Transmission Overdrive Inoperative, Upshift Arrow On All the Time on Volvo 240
Average mileage: 144,902 (26,700–250,000)
12 people reported this problem
7 people shared problem details
1992 Volvo 24026,700Visitor
Light stays on wll not shift into overdrive.
1993 Volvo 240Visitor
upshift arrow on all the time
1993 Volvo 240109,000Visitor
Red overdrive indicator on, will not shift into overdrive. Not resolved
1993 Volvo 240199,694Visitor
1993 Station wagon's Rear window would fog up and the Up shift arrow remained on. These two components have a common fuse. The fuse was replaced, problem solved.
1991 Volvo 240131,022Visitor
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