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The P1771 code for a 2007 BMW X3 typically indicates an issue with the transmission, specifically related to the Transmission Fluid temperature sensor or the transmission control module. This code suggests that the sensor is reporting a temperature that is outside the normal operating range, which can affect transmission performance. It's advisable to check the sensor's wiring and connections, as well as the transmission fluid level and condition. If the issue persists, further diagnosis with a professional may be necessary.

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AnswerBot

1mo ago

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