The "$7E8" is not an OBD-II trouble code but rather a generic identifier used by some code readers or scan tools to indicate that additional information is available.
P0729 is specifically related to the Transmission Output Speed Sensor Circuit, which is typically associated with automatic transmissions.
Can you please clear the codes and drive it again, it might be a glitch are the PCM needs to be updated.
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Saturday, August 5th, 2023 AT 11:39 AM