Question about 2001 Mitsubishi Galant
My car keeps giving me error P1603 - Battery Back up. I've had the ECU replaced, but the problem persists. Any tips for diagnosing or solving the problem?
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Posted on Jan 02, 2017
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Please see my tip at http://www.fixya.com/cars/r5932051-check_engine_light_check. These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
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