Oil Change Light Reset Doesn't Work
I have a 99 Grand Prix and I can't reset the "change oil" light using the normal procedure. It worked before, but now it would nor reset no matter how many times I tried it. Does it need ECM reflashed?
I doubt it. The oil life system is part of the BCM (Body Control Module) not the PCM (Powertrain Control Module). HTH. -Jim
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