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Mikethegreeat said:
I feel a bit dumb asking this but can anyone tell me how to pull up the diagnostic codes on a 94' STS?
I think you have to hit the off and warmer button at the same time.
 

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how do I find out what the codes mean. I have several that have "history" I just had a tune up and now the service vehicle soon light stays on. It just doesn't make any sense.
 
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