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Can you tell me what the trouble code P173400 is for the Audi A3?
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If the check engine light comes on in your Audi A3, I suggest pulling over immediately. Continuing to drive with the check engine light on can harm your car's parts, so it's best to stop when it's safe. Once you've stopped, you can use an OBD II scan tool on your vehicle to identify the issue. If you get a code like P173400, it indicates a transmission control module problem. Typically, this issue involves the selector lever not properly communicating with the transmission, potentially leading to difficulty shifting out of park.
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The error code p173400 on an Audi A3 indicates a problem with the transmission control module.
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