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Service Engine Light


garyfb

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FWIW: Your posting in the '99 and laster forum regarding a '95.

According to a posting on the Brickboard site:

Procedure for Resetting the Service Interval Light on Volvo 850

Note : I have not verified this procedure - it came from someone at Compuserve

Go to the "A" on-board diagnostics terminal. It is a 1" X 2" black plastic box in the engine compartment, located just to the right of the windshield washer filler cap. Lift the top. Put the little pin, attached to the top , into socket #7. Turn the ignition on, but don't start the car. Go back to the "A" terminal and push the little balck button next to the "A" 4 times at one second intervals. Wait and the light will come on.

Push the button once and wait for the light to go off, then come back on again.

Push the button 5 times and wait for the light to go out, then come back on .

Push the button once and wait for the light to flash. Remove the pin and put it back. Close the terminal.

Start the engine, and you are done for another 5K.

Bill

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I learned this one from a mechanic at a VOLVO dealer....dis-connect the battery wait 30 seconds and re-connect and the code shall clear. Bandaid cure for sure, something is causing the code to show.

I had the same problem that the dealer could identify the code, which later turned out to be the ABS going south. My car is AWD so the ABS computer is connected to the traction control, thus the service light going on. It took months before the ABS faults started showing up.

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